diff options
Diffstat (limited to '_released_docs/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/ZKDatabase.html')
| -rw-r--r-- | _released_docs/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/ZKDatabase.html | 1581 |
1 files changed, 1581 insertions, 0 deletions
diff --git a/_released_docs/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/ZKDatabase.html b/_released_docs/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/ZKDatabase.html new file mode 100644 index 000000000..f2c38cd01 --- /dev/null +++ b/_released_docs/r3.8.1/apidocs/zookeeper-server/org/apache/zookeeper/server/ZKDatabase.html @@ -0,0 +1,1581 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<!-- NewPage --> +<html lang="en"> +<head> +<!-- Generated by javadoc (1.8.0_352) on Wed Jan 25 17:31:44 CET 2023 --> +<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> +<title>ZKDatabase (Apache ZooKeeper - Server 3.8.1 API)</title> +<meta name="date" content="2023-01-25"> +<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> +<script type="text/javascript" src="../../../../script.js"></script> +</head> +<body> +<script type="text/javascript"><!-- + try { + if (location.href.indexOf('is-external=true') == -1) { + parent.document.title="ZKDatabase (Apache ZooKeeper - Server 3.8.1 API)"; + } + } + catch(err) { + } +//--> +var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":10,"i10":10,"i11":10,"i12":10,"i13":10,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10,"i23":10,"i24":10,"i25":10,"i26":10,"i27":10,"i28":10,"i29":10,"i30":10,"i31":10,"i32":10,"i33":10,"i34":10,"i35":10,"i36":10,"i37":10,"i38":10,"i39":10,"i40":10,"i41":10,"i42":10,"i43":10,"i44":10,"i45":10,"i46":10,"i47":10,"i48":10,"i49":10,"i50":10,"i51":10}; +var tabs = {65535:["t0","All Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]}; +var altColor = "altColor"; +var rowColor = "rowColor"; +var tableTab = "tableTab"; +var activeTableTab = "activeTableTab"; +</script> +<noscript> +<div>JavaScript is disabled on your browser.</div> +</noscript> +<!-- ========= START OF TOP NAVBAR ======= --> +<div class="topNav"><a name="navbar.top"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.top.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/ZKDatabase.html">Use</a></li> +<li><a href="package-tree.html">Tree</a></li> +<li><a href="../../../../deprecated-list.html">Deprecated</a></li> +<li><a href="../../../../index-all.html">Index</a></li> +<li><a href="../../../../help-doc.html">Help</a></li> +</ul> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../org/apache/zookeeper/server/WorkerService.WorkRequest.html" title="class in org.apache.zookeeper.server"><span class="typeNameLink">Prev Class</span></a></li> +<li><a href="../../../../org/apache/zookeeper/server/ZooKeeperCriticalThread.html" title="class in org.apache.zookeeper.server"><span class="typeNameLink">Next Class</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../index.html?org/apache/zookeeper/server/ZKDatabase.html" target="_top">Frames</a></li> +<li><a href="ZKDatabase.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_top"> +<li><a href="../../../../allclasses-noframe.html">All Classes</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_top"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>Summary: </li> +<li>Nested | </li> +<li><a href="#field.summary">Field</a> | </li> +<li><a href="#constructor.summary">Constr</a> | </li> +<li><a href="#method.summary">Method</a></li> +</ul> +<ul class="subNavList"> +<li>Detail: </li> +<li><a href="#field.detail">Field</a> | </li> +<li><a href="#constructor.detail">Constr</a> | </li> +<li><a href="#method.detail">Method</a></li> +</ul> +</div> +<a name="skip.navbar.top"> +<!-- --> +</a></div> +<!-- ========= END OF TOP NAVBAR ========= --> +<!-- ======== START OF CLASS DATA ======== --> +<div class="header"> +<div class="subTitle">org.apache.zookeeper.server</div> +<h2 title="Class ZKDatabase" class="title">Class ZKDatabase</h2> +</div> +<div class="contentContainer"> +<ul class="inheritance"> +<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> +<li> +<ul class="inheritance"> +<li>org.apache.zookeeper.server.ZKDatabase</li> +</ul> +</li> +</ul> +<div class="description"> +<ul class="blockList"> +<li class="blockList"> +<hr> +<br> +<pre>public class <span class="typeNameLabel">ZKDatabase</span> +extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> +<div class="block">This class maintains the in memory database of zookeeper + server states that includes the sessions, datatree and the + committed logs. It is booted up after reading the logs + and snapshots from the disk.</div> +</li> +</ul> +</div> +<div class="summary"> +<ul class="blockList"> +<li class="blockList"> +<!-- =========== FIELD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field.summary"> +<!-- --> +</a> +<h3>Field Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> +<caption><span>Fields</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Field and Description</th> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#COMMIT_LOG_COUNT">COMMIT_LOG_COUNT</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#commitLogCount">commitLogCount</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><<a href="../../../../org/apache/zookeeper/server/quorum/Leader.Proposal.html" title="class in org.apache.zookeeper.server.quorum">Leader.Proposal</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#committedLog">committedLog</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="../../../../org/apache/zookeeper/server/DataTree.html" title="class in org.apache.zookeeper.server">DataTree</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#dataTree">dataTree</a></span></code> +<div class="block">make sure on a clear you take care of + all these members.</div> +</td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>static int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#DEFAULT_COMMIT_LOG_COUNT">DEFAULT_COMMIT_LOG_COUNT</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>static double</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#DEFAULT_SNAPSHOT_SIZE_FACTOR">DEFAULT_SNAPSHOT_SIZE_FACTOR</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReentrantReadWriteLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReentrantReadWriteLock</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#logLock">logLock</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#maxCommittedLog">maxCommittedLog</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#minCommittedLog">minCommittedLog</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentHashMap</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#sessionsWithTimeouts">sessionsWithTimeouts</a></span></code> </td> +</tr> +<tr class="altColor"> +<td class="colFirst"><code>protected <a href="../../../../org/apache/zookeeper/server/persistence/FileTxnSnapLog.html" title="class in org.apache.zookeeper.server.persistence">FileTxnSnapLog</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#snapLog">snapLog</a></span></code> </td> +</tr> +<tr class="rowColor"> +<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#SNAPSHOT_SIZE_FACTOR">SNAPSHOT_SIZE_FACTOR</a></span></code> +<div class="block">Default value is to use snapshot if txnlog size exceeds 1/3 the size of snapshot</div> +</td> +</tr> +</table> +</li> +</ul> +<!-- ======== CONSTRUCTOR SUMMARY ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.summary"> +<!-- --> +</a> +<h3>Constructor Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> +<caption><span>Constructors</span><span class="tabEnd"> </span></caption> +<tr> +<th class="colOne" scope="col">Constructor and Description</th> +</tr> +<tr class="altColor"> +<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#ZKDatabase-org.apache.zookeeper.server.persistence.FileTxnSnapLog-">ZKDatabase</a></span>(<a href="../../../../org/apache/zookeeper/server/persistence/FileTxnSnapLog.html" title="class in org.apache.zookeeper.server.persistence">FileTxnSnapLog</a> snapLog)</code> +<div class="block">the filetxnsnaplog that this zk database + maps to.</div> +</td> +</tr> +</table> +</li> +</ul> +<!-- ========== METHOD SUMMARY =========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.summary"> +<!-- --> +</a> +<h3>Method Summary</h3> +<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> +<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> +<tr> +<th class="colFirst" scope="col">Modifier and Type</th> +<th class="colLast" scope="col">Method and Description</th> +</tr> +<tr id="i0" class="altColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/ACL.html?is-external=true" title="class or interface in org.apache.zookeeper.data">ACL</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#aclForNode-org.apache.zookeeper.server.DataNode-">aclForNode</a></span>(<a href="../../../../org/apache/zookeeper/server/DataNode.html" title="class in org.apache.zookeeper.server">DataNode</a> n)</code> </td> +</tr> +<tr id="i1" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#addCommittedProposal-org.apache.zookeeper.server.Request-">addCommittedProposal</a></span>(<a href="../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</code> +<div class="block">maintains a list of last <i>committedLog</i> + or so committed requests.</div> +</td> +</tr> +<tr id="i2" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#addWatch-java.lang.String-org.apache.zookeeper.Watcher-int-">addWatch</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> basePath, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher, + int mode)</code> +<div class="block">Add a watch</div> +</td> +</tr> +<tr id="i3" class="rowColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#append-org.apache.zookeeper.server.Request-">append</a></span>(<a href="../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> si)</code> +<div class="block">append to the underlying transaction log</div> +</td> +</tr> +<tr id="i4" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#calculateTxnLogSizeLimit--">calculateTxnLogSizeLimit</a></span>()</code> </td> +</tr> +<tr id="i5" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#clear--">clear</a></span>()</code> +<div class="block">clear the zkdatabase.</div> +</td> +</tr> +<tr id="i6" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#close--">close</a></span>()</code> +<div class="block">close this database.</div> +</td> +</tr> +<tr id="i7" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#commit--">commit</a></span>()</code> +<div class="block">commit to the underlying transaction log</div> +</td> +</tr> +<tr id="i8" class="altColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#compareDigest-org.apache.zookeeper.txn.TxnHeader-org.apache.jute.Record-org.apache.zookeeper.txn.TxnDigest-">compareDigest</a></span>(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnHeader.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnHeader</a> header, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/Record.html?is-external=true" title="class or interface in org.apache.jute">Record</a> txn, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnDigest.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnDigest</a> digest)</code> </td> +</tr> +<tr id="i9" class="rowColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#containsWatcher-java.lang.String-org.apache.zookeeper.Watcher.WatcherType-org.apache.zookeeper.Watcher-">containsWatcher</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="../../../../org/apache/zookeeper/Watcher.WatcherType.html" title="enum in org.apache.zookeeper">Watcher.WatcherType</a> type, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</code> +<div class="block">Check whether the given watcher exists in datatree</div> +</td> +</tr> +<tr id="i10" class="altColor"> +<td class="colFirst"><code><a href="../../../../org/apache/zookeeper/server/DataTree.html" title="class in org.apache.zookeeper.server">DataTree</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#createDataTree--">createDataTree</a></span>()</code> </td> +</tr> +<tr id="i11" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#deserializeSnapshot-org.apache.jute.InputArchive-">deserializeSnapshot</a></span>(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/InputArchive.html?is-external=true" title="class or interface in org.apache.jute">InputArchive</a> ia)</code> +<div class="block">deserialize a snapshot from an input archive</div> +</td> +</tr> +<tr id="i12" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#dumpEphemerals-java.io.PrintWriter-">dumpEphemerals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a> pwriter)</code> +<div class="block">write a text dump of all the ephemerals in the datatree</div> +</td> +</tr> +<tr id="i13" class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#fastForwardDataBase--">fastForwardDataBase</a></span>()</code> +<div class="block">Fast forward the database adding transactions from the committed log into memory.</div> +</td> +</tr> +<tr id="i14" class="altColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/ACL.html?is-external=true" title="class or interface in org.apache.zookeeper.data">ACL</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getACL-java.lang.String-org.apache.zookeeper.data.Stat-">getACL</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a> stat)</code> +<div class="block">get acl for a path</div> +</td> +</tr> +<tr id="i15" class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getAclSize--">getAclSize</a></span>()</code> +<div class="block">get the acl size of the datatree</div> +</td> +</tr> +<tr id="i16" class="altColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getAllChildrenNumber-java.lang.String-">getAllChildrenNumber</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</code> </td> +</tr> +<tr id="i17" class="rowColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getChildren-java.lang.String-org.apache.zookeeper.data.Stat-org.apache.zookeeper.Watcher-">getChildren</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a> stat, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</code> +<div class="block">get children list for this path</div> +</td> +</tr> +<tr id="i18" class="altColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../org/apache/zookeeper/server/quorum/Leader.Proposal.html" title="class in org.apache.zookeeper.server.quorum">Leader.Proposal</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getCommittedLog--">getCommittedLog</a></span>()</code> </td> +</tr> +<tr id="i19" class="rowColor"> +<td class="colFirst"><code>byte[]</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getData-java.lang.String-org.apache.zookeeper.data.Stat-org.apache.zookeeper.Watcher-">getData</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a> stat, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</code> +<div class="block">get data and stat for a path</div> +</td> +</tr> +<tr id="i20" class="altColor"> +<td class="colFirst"><code><a href="../../../../org/apache/zookeeper/server/DataTree.html" title="class in org.apache.zookeeper.server">DataTree</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getDataTree--">getDataTree</a></span>()</code> +<div class="block">the datatree for this zkdatabase</div> +</td> +</tr> +<tr id="i21" class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getDataTreeLastProcessedZxid--">getDataTreeLastProcessedZxid</a></span>()</code> +<div class="block">get the last processed zxid from a datatree</div> +</td> +</tr> +<tr id="i22" class="altColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getEphemerals--">getEphemerals</a></span>()</code> </td> +</tr> +<tr id="i23" class="rowColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getEphemerals-long-">getEphemerals</a></span>(long sessionId)</code> +<div class="block">the paths for ephemeral session id</div> +</td> +</tr> +<tr id="i24" class="altColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReentrantReadWriteLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReentrantReadWriteLock</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getLogLock--">getLogLock</a></span>()</code> +<div class="block">Get the lock that controls the committedLog.</div> +</td> +</tr> +<tr id="i25" class="rowColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getmaxCommittedLog--">getmaxCommittedLog</a></span>()</code> +<div class="block">the committed log for this zk database</div> +</td> +</tr> +<tr id="i26" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getminCommittedLog--">getminCommittedLog</a></span>()</code> +<div class="block">the minimum committed transaction log + available in memory</div> +</td> +</tr> +<tr id="i27" class="rowColor"> +<td class="colFirst"><code><a href="../../../../org/apache/zookeeper/server/DataNode.html" title="class in org.apache.zookeeper.server">DataNode</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getNode-java.lang.String-">getNode</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</code> +<div class="block">get the datanode for this path</div> +</td> +</tr> +<tr id="i28" class="altColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getNodeCount--">getNodeCount</a></span>()</code> +<div class="block">the node count of the datatree</div> +</td> +</tr> +<tr id="i29" class="rowColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../org/apache/zookeeper/server/quorum/Leader.Proposal.html" title="class in org.apache.zookeeper.server.quorum">Leader.Proposal</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getProposalsFromTxnLog-long-long-">getProposalsFromTxnLog</a></span>(long startZxid, + long sizeLimit)</code> +<div class="block">Get proposals from txnlog.</div> +</td> +</tr> +<tr id="i30" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getSessionCount--">getSessionCount</a></span>()</code> </td> +</tr> +<tr id="i31" class="rowColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getSessions--">getSessions</a></span>()</code> +<div class="block">return the sessions in the datatree</div> +</td> +</tr> +<tr id="i32" class="altColor"> +<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentHashMap</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getSessionWithTimeOuts--">getSessionWithTimeOuts</a></span>()</code> +<div class="block">get sessions with timeouts</div> +</td> +</tr> +<tr id="i33" class="rowColor"> +<td class="colFirst"><code>int</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getTxnCount--">getTxnCount</a></span>()</code> +<div class="block">Get the number of txn since last snapshot</div> +</td> +</tr> +<tr id="i34" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#getTxnSize--">getTxnSize</a></span>()</code> +<div class="block">Get the size of txn since last snapshot</div> +</td> +</tr> +<tr id="i35" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#initConfigInZKDatabase-org.apache.zookeeper.server.quorum.flexible.QuorumVerifier-">initConfigInZKDatabase</a></span>(<a href="../../../../org/apache/zookeeper/server/quorum/flexible/QuorumVerifier.html" title="interface in org.apache.zookeeper.server.quorum.flexible">QuorumVerifier</a> qv)</code> </td> +</tr> +<tr id="i36" class="altColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#isInitialized--">isInitialized</a></span>()</code> +<div class="block">checks to see if the zk database has been + initialized or not.</div> +</td> +</tr> +<tr id="i37" class="rowColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#isSpecialPath-java.lang.String-">isSpecialPath</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</code> +<div class="block">check if the path is special or not</div> +</td> +</tr> +<tr id="i38" class="altColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#isTxnLogSyncEnabled--">isTxnLogSyncEnabled</a></span>()</code> </td> +</tr> +<tr id="i39" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#killSession-long-long-">killSession</a></span>(long sessionId, + long zxid)</code> +<div class="block">kill a given session in the datatree</div> +</td> +</tr> +<tr id="i40" class="altColor"> +<td class="colFirst"><code>long</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#loadDataBase--">loadDataBase</a></span>()</code> +<div class="block">load the database from the disk onto memory and also add + the transactions to the committedlog in memory.</div> +</td> +</tr> +<tr id="i41" class="rowColor"> +<td class="colFirst"><code><a href="../../../../org/apache/zookeeper/server/DataTree.ProcessTxnResult.html" title="class in org.apache.zookeeper.server">DataTree.ProcessTxnResult</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#processTxn-org.apache.zookeeper.txn.TxnHeader-org.apache.jute.Record-org.apache.zookeeper.txn.TxnDigest-">processTxn</a></span>(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnHeader.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnHeader</a> hdr, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/Record.html?is-external=true" title="class or interface in org.apache.jute">Record</a> txn, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnDigest.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnDigest</a> digest)</code> +<div class="block">the process txn on the data and perform digest comparision.</div> +</td> +</tr> +<tr id="i42" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#removeCnxn-org.apache.zookeeper.server.ServerCnxn-">removeCnxn</a></span>(<a href="../../../../org/apache/zookeeper/server/ServerCnxn.html" title="class in org.apache.zookeeper.server">ServerCnxn</a> cnxn)</code> +<div class="block">remove a cnxn from the datatree</div> +</td> +</tr> +<tr id="i43" class="rowColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#removeWatch-java.lang.String-org.apache.zookeeper.Watcher.WatcherType-org.apache.zookeeper.Watcher-">removeWatch</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="../../../../org/apache/zookeeper/Watcher.WatcherType.html" title="enum in org.apache.zookeeper">Watcher.WatcherType</a> type, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</code> +<div class="block">Remove watch from the datatree</div> +</td> +</tr> +<tr id="i44" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#resetTxnCount--">resetTxnCount</a></span>()</code> +<div class="block">Reset the number of txn since last rollLog</div> +</td> +</tr> +<tr id="i45" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#rollLog--">rollLog</a></span>()</code> +<div class="block">roll the underlying log</div> +</td> +</tr> +<tr id="i46" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#serializeSnapshot-org.apache.jute.OutputArchive-">serializeSnapshot</a></span>(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/OutputArchive.html?is-external=true" title="class or interface in org.apache.jute">OutputArchive</a> oa)</code> +<div class="block">serialize the snapshot</div> +</td> +</tr> +<tr id="i47" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#setlastProcessedZxid-long-">setlastProcessedZxid</a></span>(long zxid)</code> +<div class="block">the last processed zxid in the datatree</div> +</td> +</tr> +<tr id="i48" class="altColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#setSnapshotSizeFactor-double-">setSnapshotSizeFactor</a></span>(double snapshotSizeFactor)</code> +<div class="block">Use for unit testing, so we can turn this feature on/off</div> +</td> +</tr> +<tr id="i49" class="rowColor"> +<td class="colFirst"><code>void</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#setWatches-long-java.util.List-java.util.List-java.util.List-java.util.List-java.util.List-org.apache.zookeeper.Watcher-">setWatches</a></span>(long relativeZxid, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> dataWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> existWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> childWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> persistentWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> persistentRecursiveWatches, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</code> +<div class="block">set watches on the datatree</div> +</td> +</tr> +<tr id="i50" class="altColor"> +<td class="colFirst"><code><a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a></code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#statNode-java.lang.String-org.apache.zookeeper.server.ServerCnxn-">statNode</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="../../../../org/apache/zookeeper/server/ServerCnxn.html" title="class in org.apache.zookeeper.server">ServerCnxn</a> serverCnxn)</code> +<div class="block">stat the path</div> +</td> +</tr> +<tr id="i51" class="rowColor"> +<td class="colFirst"><code>boolean</code></td> +<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/zookeeper/server/ZKDatabase.html#truncateLog-long-">truncateLog</a></span>(long zxid)</code> +<div class="block">Truncate the ZKDatabase to the specified zxid</div> +</td> +</tr> +</table> +<ul class="blockList"> +<li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> +<!-- --> +</a> +<h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> +<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +<div class="details"> +<ul class="blockList"> +<li class="blockList"> +<!-- ============ FIELD DETAIL =========== --> +<ul class="blockList"> +<li class="blockList"><a name="field.detail"> +<!-- --> +</a> +<h3>Field Detail</h3> +<a name="dataTree"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>dataTree</h4> +<pre>protected <a href="../../../../org/apache/zookeeper/server/DataTree.html" title="class in org.apache.zookeeper.server">DataTree</a> dataTree</pre> +<div class="block">make sure on a clear you take care of + all these members.</div> +</li> +</ul> +<a name="sessionsWithTimeouts"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>sessionsWithTimeouts</h4> +<pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentHashMap</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> sessionsWithTimeouts</pre> +</li> +</ul> +<a name="snapLog"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>snapLog</h4> +<pre>protected <a href="../../../../org/apache/zookeeper/server/persistence/FileTxnSnapLog.html" title="class in org.apache.zookeeper.server.persistence">FileTxnSnapLog</a> snapLog</pre> +</li> +</ul> +<a name="minCommittedLog"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>minCommittedLog</h4> +<pre>protected long minCommittedLog</pre> +</li> +</ul> +<a name="maxCommittedLog"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>maxCommittedLog</h4> +<pre>protected long maxCommittedLog</pre> +</li> +</ul> +<a name="SNAPSHOT_SIZE_FACTOR"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>SNAPSHOT_SIZE_FACTOR</h4> +<pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> SNAPSHOT_SIZE_FACTOR</pre> +<div class="block">Default value is to use snapshot if txnlog size exceeds 1/3 the size of snapshot</div> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../constant-values.html#org.apache.zookeeper.server.ZKDatabase.SNAPSHOT_SIZE_FACTOR">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="DEFAULT_SNAPSHOT_SIZE_FACTOR"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>DEFAULT_SNAPSHOT_SIZE_FACTOR</h4> +<pre>public static final double DEFAULT_SNAPSHOT_SIZE_FACTOR</pre> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../constant-values.html#org.apache.zookeeper.server.ZKDatabase.DEFAULT_SNAPSHOT_SIZE_FACTOR">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="COMMIT_LOG_COUNT"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>COMMIT_LOG_COUNT</h4> +<pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> COMMIT_LOG_COUNT</pre> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../constant-values.html#org.apache.zookeeper.server.ZKDatabase.COMMIT_LOG_COUNT">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="DEFAULT_COMMIT_LOG_COUNT"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>DEFAULT_COMMIT_LOG_COUNT</h4> +<pre>public static final int DEFAULT_COMMIT_LOG_COUNT</pre> +<dl> +<dt><span class="seeLabel">See Also:</span></dt> +<dd><a href="../../../../constant-values.html#org.apache.zookeeper.server.ZKDatabase.DEFAULT_COMMIT_LOG_COUNT">Constant Field Values</a></dd> +</dl> +</li> +</ul> +<a name="commitLogCount"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>commitLogCount</h4> +<pre>public int commitLogCount</pre> +</li> +</ul> +<a name="committedLog"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>committedLog</h4> +<pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Queue.html?is-external=true" title="class or interface in java.util">Queue</a><<a href="../../../../org/apache/zookeeper/server/quorum/Leader.Proposal.html" title="class in org.apache.zookeeper.server.quorum">Leader.Proposal</a>> committedLog</pre> +</li> +</ul> +<a name="logLock"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>logLock</h4> +<pre>protected <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReentrantReadWriteLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReentrantReadWriteLock</a> logLock</pre> +</li> +</ul> +</li> +</ul> +<!-- ========= CONSTRUCTOR DETAIL ======== --> +<ul class="blockList"> +<li class="blockList"><a name="constructor.detail"> +<!-- --> +</a> +<h3>Constructor Detail</h3> +<a name="ZKDatabase-org.apache.zookeeper.server.persistence.FileTxnSnapLog-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>ZKDatabase</h4> +<pre>public ZKDatabase(<a href="../../../../org/apache/zookeeper/server/persistence/FileTxnSnapLog.html" title="class in org.apache.zookeeper.server.persistence">FileTxnSnapLog</a> snapLog)</pre> +<div class="block">the filetxnsnaplog that this zk database + maps to. There is a one to one relationship + between a filetxnsnaplog and zkdatabase.</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>snapLog</code> - the FileTxnSnapLog mapping this zkdatabase</dd> +</dl> +</li> +</ul> +</li> +</ul> +<!-- ============ METHOD DETAIL ========== --> +<ul class="blockList"> +<li class="blockList"><a name="method.detail"> +<!-- --> +</a> +<h3>Method Detail</h3> +<a name="isInitialized--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>isInitialized</h4> +<pre>public boolean isInitialized()</pre> +<div class="block">checks to see if the zk database has been + initialized or not.</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>true if zk database is initialized and false if not</dd> +</dl> +</li> +</ul> +<a name="clear--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>clear</h4> +<pre>public void clear()</pre> +<div class="block">clear the zkdatabase. + Note to developers - be careful to see that + the clear method does clear out all the + data structures in zkdatabase.</div> +</li> +</ul> +<a name="getDataTree--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getDataTree</h4> +<pre>public <a href="../../../../org/apache/zookeeper/server/DataTree.html" title="class in org.apache.zookeeper.server">DataTree</a> getDataTree()</pre> +<div class="block">the datatree for this zkdatabase</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the datatree for this zkdatabase</dd> +</dl> +</li> +</ul> +<a name="getmaxCommittedLog--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getmaxCommittedLog</h4> +<pre>public long getmaxCommittedLog()</pre> +<div class="block">the committed log for this zk database</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the committed log for this zkdatabase</dd> +</dl> +</li> +</ul> +<a name="getminCommittedLog--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getminCommittedLog</h4> +<pre>public long getminCommittedLog()</pre> +<div class="block">the minimum committed transaction log + available in memory</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the minimum committed transaction + log available in memory</dd> +</dl> +</li> +</ul> +<a name="getLogLock--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getLogLock</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/locks/ReentrantReadWriteLock.html?is-external=true" title="class or interface in java.util.concurrent.locks">ReentrantReadWriteLock</a> getLogLock()</pre> +<div class="block">Get the lock that controls the committedLog. If you want to get the pointer to the committedLog, you need + to use this lock to acquire a read lock before calling getCommittedLog()</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the lock that controls the committed log</dd> +</dl> +</li> +</ul> +<a name="getCommittedLog--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getCommittedLog</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="../../../../org/apache/zookeeper/server/quorum/Leader.Proposal.html" title="class in org.apache.zookeeper.server.quorum">Leader.Proposal</a>> getCommittedLog()</pre> +</li> +</ul> +<a name="getDataTreeLastProcessedZxid--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getDataTreeLastProcessedZxid</h4> +<pre>public long getDataTreeLastProcessedZxid()</pre> +<div class="block">get the last processed zxid from a datatree</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the last processed zxid of a datatree</dd> +</dl> +</li> +</ul> +<a name="getSessions--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getSessions</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> getSessions()</pre> +<div class="block">return the sessions in the datatree</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the data tree sessions</dd> +</dl> +</li> +</ul> +<a name="getSessionCount--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getSessionCount</h4> +<pre>public long getSessionCount()</pre> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>number of (global) sessions</dd> +</dl> +</li> +</ul> +<a name="getSessionWithTimeOuts--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getSessionWithTimeOuts</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentHashMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentHashMap</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>> getSessionWithTimeOuts()</pre> +<div class="block">get sessions with timeouts</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the hashmap of sessions with timeouts</dd> +</dl> +</li> +</ul> +<a name="loadDataBase--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>loadDataBase</h4> +<pre>public long loadDataBase() + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">load the database from the disk onto memory and also add + the transactions to the committedlog in memory.</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the last valid zxid on disk</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="fastForwardDataBase--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>fastForwardDataBase</h4> +<pre>public long fastForwardDataBase() + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">Fast forward the database adding transactions from the committed log into memory.</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the last valid zxid.</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="addCommittedProposal-org.apache.zookeeper.server.Request-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>addCommittedProposal</h4> +<pre>public void addCommittedProposal(<a href="../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> request)</pre> +<div class="block">maintains a list of last <i>committedLog</i> + or so committed requests. This is used for + fast follower synchronization.</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>request</code> - committed request</dd> +</dl> +</li> +</ul> +<a name="isTxnLogSyncEnabled--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>isTxnLogSyncEnabled</h4> +<pre>public boolean isTxnLogSyncEnabled()</pre> +</li> +</ul> +<a name="calculateTxnLogSizeLimit--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>calculateTxnLogSizeLimit</h4> +<pre>public long calculateTxnLogSizeLimit()</pre> +</li> +</ul> +<a name="getProposalsFromTxnLog-long-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getProposalsFromTxnLog</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</a><<a href="../../../../org/apache/zookeeper/server/quorum/Leader.Proposal.html" title="class in org.apache.zookeeper.server.quorum">Leader.Proposal</a>> getProposalsFromTxnLog(long startZxid, + long sizeLimit)</pre> +<div class="block">Get proposals from txnlog. Only packet part of proposal is populated.</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>startZxid</code> - the starting zxid of the proposal</dd> +<dd><code>sizeLimit</code> - maximum on-disk size of txnlog to fetch + 0 is unlimited, negative value means disable.</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>list of proposal (request part of each proposal is null)</dd> +</dl> +</li> +</ul> +<a name="aclForNode-org.apache.zookeeper.server.DataNode-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>aclForNode</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/ACL.html?is-external=true" title="class or interface in org.apache.zookeeper.data">ACL</a>> aclForNode(<a href="../../../../org/apache/zookeeper/server/DataNode.html" title="class in org.apache.zookeeper.server">DataNode</a> n)</pre> +</li> +</ul> +<a name="removeCnxn-org.apache.zookeeper.server.ServerCnxn-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>removeCnxn</h4> +<pre>public void removeCnxn(<a href="../../../../org/apache/zookeeper/server/ServerCnxn.html" title="class in org.apache.zookeeper.server">ServerCnxn</a> cnxn)</pre> +<div class="block">remove a cnxn from the datatree</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>cnxn</code> - the cnxn to remove from the datatree</dd> +</dl> +</li> +</ul> +<a name="killSession-long-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>killSession</h4> +<pre>public void killSession(long sessionId, + long zxid)</pre> +<div class="block">kill a given session in the datatree</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>sessionId</code> - the session id to be killed</dd> +<dd><code>zxid</code> - the zxid of kill session transaction</dd> +</dl> +</li> +</ul> +<a name="dumpEphemerals-java.io.PrintWriter-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>dumpEphemerals</h4> +<pre>public void dumpEphemerals(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/PrintWriter.html?is-external=true" title="class or interface in java.io">PrintWriter</a> pwriter)</pre> +<div class="block">write a text dump of all the ephemerals in the datatree</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>pwriter</code> - the output to write to</dd> +</dl> +</li> +</ul> +<a name="getEphemerals--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getEphemerals</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>>> getEphemerals()</pre> +</li> +</ul> +<a name="getNodeCount--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getNodeCount</h4> +<pre>public int getNodeCount()</pre> +<div class="block">the node count of the datatree</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the node count of datatree</dd> +</dl> +</li> +</ul> +<a name="getEphemerals-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getEphemerals</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> getEphemerals(long sessionId)</pre> +<div class="block">the paths for ephemeral session id</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>sessionId</code> - the session id for which paths match to</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the paths for a session id</dd> +</dl> +</li> +</ul> +<a name="setlastProcessedZxid-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>setlastProcessedZxid</h4> +<pre>public void setlastProcessedZxid(long zxid)</pre> +<div class="block">the last processed zxid in the datatree</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>zxid</code> - the last processed zxid in the datatree</dd> +</dl> +</li> +</ul> +<a name="processTxn-org.apache.zookeeper.txn.TxnHeader-org.apache.jute.Record-org.apache.zookeeper.txn.TxnDigest-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>processTxn</h4> +<pre>public <a href="../../../../org/apache/zookeeper/server/DataTree.ProcessTxnResult.html" title="class in org.apache.zookeeper.server">DataTree.ProcessTxnResult</a> processTxn(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnHeader.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnHeader</a> hdr, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/Record.html?is-external=true" title="class or interface in org.apache.jute">Record</a> txn, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnDigest.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnDigest</a> digest)</pre> +<div class="block">the process txn on the data and perform digest comparision.</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>hdr</code> - the txnheader for the txn</dd> +<dd><code>txn</code> - the transaction that needs to be processed</dd> +<dd><code>digest</code> - the expected digest. A null value would skip the check</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the result of processing the transaction on this + datatree/zkdatabase</dd> +</dl> +</li> +</ul> +<a name="statNode-java.lang.String-org.apache.zookeeper.server.ServerCnxn-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>statNode</h4> +<pre>public <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a> statNode(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="../../../../org/apache/zookeeper/server/ServerCnxn.html" title="class in org.apache.zookeeper.server">ServerCnxn</a> serverCnxn) + throws <a href="../../../../org/apache/zookeeper/KeeperException.NoNodeException.html" title="class in org.apache.zookeeper">KeeperException.NoNodeException</a></pre> +<div class="block">stat the path</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - the path for which stat is to be done</dd> +<dd><code>serverCnxn</code> - the servercnxn attached to this request</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the stat of this node</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code>KeeperException.NoNodeException</code></dd> +</dl> +</li> +</ul> +<a name="getNode-java.lang.String-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getNode</h4> +<pre>public <a href="../../../../org/apache/zookeeper/server/DataNode.html" title="class in org.apache.zookeeper.server">DataNode</a> getNode(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</pre> +<div class="block">get the datanode for this path</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - the path to lookup</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the datanode for getting the path</dd> +</dl> +</li> +</ul> +<a name="getData-java.lang.String-org.apache.zookeeper.data.Stat-org.apache.zookeeper.Watcher-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getData</h4> +<pre>public byte[] getData(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a> stat, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher) + throws <a href="../../../../org/apache/zookeeper/KeeperException.NoNodeException.html" title="class in org.apache.zookeeper">KeeperException.NoNodeException</a></pre> +<div class="block">get data and stat for a path</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - the path being queried</dd> +<dd><code>stat</code> - the stat for this path</dd> +<dd><code>watcher</code> - the watcher function</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code>KeeperException.NoNodeException</code></dd> +</dl> +</li> +</ul> +<a name="setWatches-long-java.util.List-java.util.List-java.util.List-java.util.List-java.util.List-org.apache.zookeeper.Watcher-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>setWatches</h4> +<pre>public void setWatches(long relativeZxid, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> dataWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> existWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> childWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> persistentWatches, + <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> persistentRecursiveWatches, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</pre> +<div class="block">set watches on the datatree</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>relativeZxid</code> - the relative zxid that client has seen</dd> +<dd><code>dataWatches</code> - the data watches the client wants to reset</dd> +<dd><code>existWatches</code> - the exists watches the client wants to reset</dd> +<dd><code>childWatches</code> - the child watches the client wants to reset</dd> +<dd><code>persistentWatches</code> - the persistent watches the client wants to reset</dd> +<dd><code>persistentRecursiveWatches</code> - the persistent recursive watches the client wants to reset</dd> +<dd><code>watcher</code> - the watcher function</dd> +</dl> +</li> +</ul> +<a name="addWatch-java.lang.String-org.apache.zookeeper.Watcher-int-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>addWatch</h4> +<pre>public void addWatch(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> basePath, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher, + int mode)</pre> +<div class="block">Add a watch</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>basePath</code> - watch base</dd> +<dd><code>watcher</code> - the watcher</dd> +<dd><code>mode</code> - a mode from ZooDefs.AddWatchModes</dd> +</dl> +</li> +</ul> +<a name="getACL-java.lang.String-org.apache.zookeeper.data.Stat-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getACL</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/ACL.html?is-external=true" title="class or interface in org.apache.zookeeper.data">ACL</a>> getACL(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a> stat) + throws <a href="../../../../org/apache/zookeeper/KeeperException.NoNodeException.html" title="class in org.apache.zookeeper">KeeperException.NoNodeException</a></pre> +<div class="block">get acl for a path</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - the path to query for acl</dd> +<dd><code>stat</code> - the stat for the node</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the acl list for this path</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="../../../../org/apache/zookeeper/KeeperException.NoNodeException.html" title="class in org.apache.zookeeper">KeeperException.NoNodeException</a></code></dd> +</dl> +</li> +</ul> +<a name="getChildren-java.lang.String-org.apache.zookeeper.data.Stat-org.apache.zookeeper.Watcher-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getChildren</h4> +<pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> getChildren(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/data/Stat.html?is-external=true" title="class or interface in org.apache.zookeeper.data">Stat</a> stat, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher) + throws <a href="../../../../org/apache/zookeeper/KeeperException.NoNodeException.html" title="class in org.apache.zookeeper">KeeperException.NoNodeException</a></pre> +<div class="block">get children list for this path</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - the path of the node</dd> +<dd><code>stat</code> - the stat of the node</dd> +<dd><code>watcher</code> - the watcher function for this path</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the list of children for this path</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code>KeeperException.NoNodeException</code></dd> +</dl> +</li> +</ul> +<a name="getAllChildrenNumber-java.lang.String-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getAllChildrenNumber</h4> +<pre>public int getAllChildrenNumber(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path) + throws <a href="../../../../org/apache/zookeeper/KeeperException.NoNodeException.html" title="class in org.apache.zookeeper">KeeperException.NoNodeException</a></pre> +<dl> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="../../../../org/apache/zookeeper/KeeperException.NoNodeException.html" title="class in org.apache.zookeeper">KeeperException.NoNodeException</a></code></dd> +</dl> +</li> +</ul> +<a name="isSpecialPath-java.lang.String-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>isSpecialPath</h4> +<pre>public boolean isSpecialPath(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</pre> +<div class="block">check if the path is special or not</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - the input path</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>true if path is special and false if not</dd> +</dl> +</li> +</ul> +<a name="getAclSize--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getAclSize</h4> +<pre>public int getAclSize()</pre> +<div class="block">get the acl size of the datatree</div> +<dl> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>the acl size of the datatree</dd> +</dl> +</li> +</ul> +<a name="truncateLog-long-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>truncateLog</h4> +<pre>public boolean truncateLog(long zxid) + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">Truncate the ZKDatabase to the specified zxid</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>zxid</code> - the zxid to truncate zk database to</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>true if the truncate is successful and false if not</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="deserializeSnapshot-org.apache.jute.InputArchive-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>deserializeSnapshot</h4> +<pre>public void deserializeSnapshot(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/InputArchive.html?is-external=true" title="class or interface in org.apache.jute">InputArchive</a> ia) + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">deserialize a snapshot from an input archive</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>ia</code> - the input archive you want to deserialize from</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="serializeSnapshot-org.apache.jute.OutputArchive-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>serializeSnapshot</h4> +<pre>public void serializeSnapshot(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/OutputArchive.html?is-external=true" title="class or interface in org.apache.jute">OutputArchive</a> oa) + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, + <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></pre> +<div class="block">serialize the snapshot</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>oa</code> - the output archive to which the snapshot needs to be serialized</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/InterruptedException.html?is-external=true" title="class or interface in java.lang">InterruptedException</a></code></dd> +</dl> +</li> +</ul> +<a name="append-org.apache.zookeeper.server.Request-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>append</h4> +<pre>public boolean append(<a href="../../../../org/apache/zookeeper/server/Request.html" title="class in org.apache.zookeeper.server">Request</a> si) + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">append to the underlying transaction log</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>si</code> - the request to append</dd> +<dt><span class="returnLabel">Returns:</span></dt> +<dd>true if the append was succesfull and false if not</dd> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="rollLog--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>rollLog</h4> +<pre>public void rollLog() + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">roll the underlying log</div> +<dl> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="commit--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>commit</h4> +<pre>public void commit() + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">commit to the underlying transaction log</div> +<dl> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="close--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>close</h4> +<pre>public void close() + throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> +<div class="block">close this database. free the resources</div> +<dl> +<dt><span class="throwsLabel">Throws:</span></dt> +<dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> +</dl> +</li> +</ul> +<a name="initConfigInZKDatabase-org.apache.zookeeper.server.quorum.flexible.QuorumVerifier-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>initConfigInZKDatabase</h4> +<pre>public void initConfigInZKDatabase(<a href="../../../../org/apache/zookeeper/server/quorum/flexible/QuorumVerifier.html" title="interface in org.apache.zookeeper.server.quorum.flexible">QuorumVerifier</a> qv)</pre> +</li> +</ul> +<a name="setSnapshotSizeFactor-double-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>setSnapshotSizeFactor</h4> +<pre>public void setSnapshotSizeFactor(double snapshotSizeFactor)</pre> +<div class="block">Use for unit testing, so we can turn this feature on/off</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>snapshotSizeFactor</code> - Set to minus value to turn this off.</dd> +</dl> +</li> +</ul> +<a name="containsWatcher-java.lang.String-org.apache.zookeeper.Watcher.WatcherType-org.apache.zookeeper.Watcher-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>containsWatcher</h4> +<pre>public boolean containsWatcher(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="../../../../org/apache/zookeeper/Watcher.WatcherType.html" title="enum in org.apache.zookeeper">Watcher.WatcherType</a> type, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</pre> +<div class="block">Check whether the given watcher exists in datatree</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - node to check watcher existence</dd> +<dd><code>type</code> - type of watcher</dd> +<dd><code>watcher</code> - watcher function</dd> +</dl> +</li> +</ul> +<a name="removeWatch-java.lang.String-org.apache.zookeeper.Watcher.WatcherType-org.apache.zookeeper.Watcher-"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>removeWatch</h4> +<pre>public boolean removeWatch(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path, + <a href="../../../../org/apache/zookeeper/Watcher.WatcherType.html" title="enum in org.apache.zookeeper">Watcher.WatcherType</a> type, + <a href="../../../../org/apache/zookeeper/Watcher.html" title="interface in org.apache.zookeeper">Watcher</a> watcher)</pre> +<div class="block">Remove watch from the datatree</div> +<dl> +<dt><span class="paramLabel">Parameters:</span></dt> +<dd><code>path</code> - node to remove watches from</dd> +<dd><code>type</code> - type of watcher to remove</dd> +<dd><code>watcher</code> - watcher function to remove</dd> +</dl> +</li> +</ul> +<a name="createDataTree--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>createDataTree</h4> +<pre>public <a href="../../../../org/apache/zookeeper/server/DataTree.html" title="class in org.apache.zookeeper.server">DataTree</a> createDataTree()</pre> +</li> +</ul> +<a name="resetTxnCount--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>resetTxnCount</h4> +<pre>public void resetTxnCount()</pre> +<div class="block">Reset the number of txn since last rollLog</div> +</li> +</ul> +<a name="getTxnCount--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getTxnCount</h4> +<pre>public int getTxnCount()</pre> +<div class="block">Get the number of txn since last snapshot</div> +</li> +</ul> +<a name="getTxnSize--"> +<!-- --> +</a> +<ul class="blockList"> +<li class="blockList"> +<h4>getTxnSize</h4> +<pre>public long getTxnSize()</pre> +<div class="block">Get the size of txn since last snapshot</div> +</li> +</ul> +<a name="compareDigest-org.apache.zookeeper.txn.TxnHeader-org.apache.jute.Record-org.apache.zookeeper.txn.TxnDigest-"> +<!-- --> +</a> +<ul class="blockListLast"> +<li class="blockList"> +<h4>compareDigest</h4> +<pre>public boolean compareDigest(<a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnHeader.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnHeader</a> header, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/jute/Record.html?is-external=true" title="class or interface in org.apache.jute">Record</a> txn, + <a href="http://zookeeper.apache.org/zookeeper-jute/apidocs/org/apache/zookeeper/txn/TxnDigest.html?is-external=true" title="class or interface in org.apache.zookeeper.txn">TxnDigest</a> digest)</pre> +</li> +</ul> +</li> +</ul> +</li> +</ul> +</div> +</div> +<!-- ========= END OF CLASS DATA ========= --> +<!-- ======= START OF BOTTOM NAVBAR ====== --> +<div class="bottomNav"><a name="navbar.bottom"> +<!-- --> +</a> +<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div> +<a name="navbar.bottom.firstrow"> +<!-- --> +</a> +<ul class="navList" title="Navigation"> +<li><a href="../../../../overview-summary.html">Overview</a></li> +<li><a href="package-summary.html">Package</a></li> +<li class="navBarCell1Rev">Class</li> +<li><a href="class-use/ZKDatabase.html">Use</a></li> +<li><a href="package-tree.html">Tree</a></li> +<li><a href="../../../../deprecated-list.html">Deprecated</a></li> +<li><a href="../../../../index-all.html">Index</a></li> +<li><a href="../../../../help-doc.html">Help</a></li> +</ul> +</div> +<div class="subNav"> +<ul class="navList"> +<li><a href="../../../../org/apache/zookeeper/server/WorkerService.WorkRequest.html" title="class in org.apache.zookeeper.server"><span class="typeNameLink">Prev Class</span></a></li> +<li><a href="../../../../org/apache/zookeeper/server/ZooKeeperCriticalThread.html" title="class in org.apache.zookeeper.server"><span class="typeNameLink">Next Class</span></a></li> +</ul> +<ul class="navList"> +<li><a href="../../../../index.html?org/apache/zookeeper/server/ZKDatabase.html" target="_top">Frames</a></li> +<li><a href="ZKDatabase.html" target="_top">No Frames</a></li> +</ul> +<ul class="navList" id="allclasses_navbar_bottom"> +<li><a href="../../../../allclasses-noframe.html">All Classes</a></li> +</ul> +<div> +<script type="text/javascript"><!-- + allClassesLink = document.getElementById("allclasses_navbar_bottom"); + if(window==top) { + allClassesLink.style.display = "block"; + } + else { + allClassesLink.style.display = "none"; + } + //--> +</script> +</div> +<div> +<ul class="subNavList"> +<li>Summary: </li> +<li>Nested | </li> +<li><a href="#field.summary">Field</a> | </li> +<li><a href="#constructor.summary">Constr</a> | </li> +<li><a href="#method.summary">Method</a></li> +</ul> +<ul class="subNavList"> +<li>Detail: </li> +<li><a href="#field.detail">Field</a> | </li> +<li><a href="#constructor.detail">Constr</a> | </li> +<li><a href="#method.detail">Method</a></li> +</ul> +</div> +<a name="skip.navbar.bottom"> +<!-- --> +</a></div> +<!-- ======== END OF BOTTOM NAVBAR ======= --> +<p class="legalCopy"><small>Copyright © 2008–2023 <a href="https://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p> +</body> +</html> |