diff options
Diffstat (limited to 'qpid/java/common/templates/model/ProtocolVersionListClass.vm')
| -rw-r--r-- | qpid/java/common/templates/model/ProtocolVersionListClass.vm | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/qpid/java/common/templates/model/ProtocolVersionListClass.vm b/qpid/java/common/templates/model/ProtocolVersionListClass.vm new file mode 100644 index 0000000000..78605c70ff --- /dev/null +++ b/qpid/java/common/templates/model/ProtocolVersionListClass.vm @@ -0,0 +1,201 @@ +#set( $filename = "ProtocolVersion.java" ) +/* +* +* Licensed to the Apache Software Foundation (ASF) under one +* or more contributor license agreements. See the NOTICE file +* distributed with this work for additional information +* regarding copyright ownership. The ASF licenses this file +* to you under the Apache License, Version 2.0 (the +* "License"); you may not use this file except in compliance +* with the License. You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, +* software distributed under the License is distributed on an +* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +* KIND, either express or implied. See the License for the +* specific language governing permissions and limitations +* under the License. +* +*/ + +/* +* This file is auto-generated by $generator - do not modify. +* Supported AMQP versions: +#foreach( $version in $model.getVersionSet() ) +* $version.getMajor()-$version.getMinor() +#end +*/ + +package org.apache.qpid.framing; + +import java.util.SortedSet; +import java.util.Collections; +import java.util.TreeSet; +import java.util.Map; +import java.util.HashMap; + + +public class ProtocolVersion implements Comparable +{ + private final byte _majorVersion; + private final byte _minorVersion; + private final String _stringFormat; + + + public ProtocolVersion(byte majorVersion, byte minorVersion) + { + _majorVersion = majorVersion; + _minorVersion = minorVersion; + _stringFormat = _majorVersion+"-"+_minorVersion; + } + + public byte getMajorVersion() + { + return _majorVersion; + } + + public byte getMinorVersion() + { + return _minorVersion; + } + + public byte getActualMinorVersion() + { + return _minorVersion > 90 ? (byte) (_minorVersion / 10) : _minorVersion; + } + + + public byte getRevisionVersion() + { + return _minorVersion > 90 ? (byte) (_minorVersion % 10) : (byte) 0; + } + + public String toString() + { + return _stringFormat; + } + + + public int compareTo(Object o) + { + ProtocolVersion pv = (ProtocolVersion) o; + + /* + * 0-8 has it's major and minor numbers the wrong way round (it's actually 8-0)... + * so we need to deal with that case specially + */ + + if((_majorVersion == (byte) 8) && (_minorVersion == (byte) 0)) + { + ProtocolVersion fixedThis = new ProtocolVersion(_minorVersion, _majorVersion); + return fixedThis.compareTo(pv); + } + + if((pv.getMajorVersion() == (byte) 8) && (pv.getMinorVersion() == (byte) 0)) + { + ProtocolVersion fixedOther = new ProtocolVersion(pv.getMinorVersion(), pv.getMajorVersion()); + return this.compareTo(fixedOther); + } + + if(_majorVersion > pv.getMajorVersion()) + { + return 1; + } + else if(_majorVersion < pv.getMajorVersion()) + { + return -1; + } + else if(_minorVersion > pv.getMinorVersion()) + { + return 1; + } + else if(getMinorVersion() < pv.getMinorVersion()) + { + return -1; + } + else + { + return 0; + } + + } + + public boolean equals(Object o) + { + return o != null && (o == this || (compareTo(o) == 0)); + } + + public int hashCode() + { + return (0xFF & (int)_minorVersion) | ((0xFF & (int)_majorVersion) << 8); + } + + + public boolean isSupported() + { + return _supportedVersions.contains(this); + } + + public static ProtocolVersion getLatestSupportedVersion() + { + return _supportedVersions.last(); + } + + private static final SortedSet<ProtocolVersion> _supportedVersions; + private static final Map<String, ProtocolVersion> _nameToVersionMap = + new HashMap<String, ProtocolVersion>(); + private static final ProtocolVersion _defaultVersion; + + + public static final ProtocolVersion v0_10 = new ProtocolVersion((byte)0,(byte)10); + +#foreach( $version in $model.getVersionSet() ) +#set( $versionId = "v$version.getMajor()_$version.getMinor()" ) + public static final ProtocolVersion $versionId = new ProtocolVersion((byte)$version.getMajor(),(byte)$version.getMinor()); +#end + + + static + { + SortedSet<ProtocolVersion> versions = new TreeSet<ProtocolVersion>(); + + versions.add(v0_10); + _nameToVersionMap.put("0-10", v0_10); +#foreach( $version in $model.getVersionSet() ) +#set( $versionId = "v$version.getMajor()_$version.getMinor()" ) + versions.add($versionId); + _nameToVersionMap.put("${version.getMajor()}-${version.getMinor()}", $versionId); +#end + _supportedVersions = Collections.unmodifiableSortedSet(versions); + + + ProtocolVersion systemDefinedVersion = + _nameToVersionMap.get(System.getProperty("org.apache.qpid.amqp_version")); + + _defaultVersion = (systemDefinedVersion == null) + ? getLatestSupportedVersion() + : systemDefinedVersion; + } + + + public static SortedSet<ProtocolVersion> getSupportedProtocolVersions() + { + return _supportedVersions; + } + + + + public static ProtocolVersion parse(String name) + { + return _nameToVersionMap.get(name); + } + + public static ProtocolVersion defaultProtocolVersion() + { + return _defaultVersion; + } + + +} |