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Diffstat (limited to 'qpid/java/broker/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java')
-rwxr-xr-xqpid/java/broker/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java202
1 files changed, 197 insertions, 5 deletions
diff --git a/qpid/java/broker/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java b/qpid/java/broker/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java
index 6db98ef101..380486dde7 100755
--- a/qpid/java/broker/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java
+++ b/qpid/java/broker/src/main/java/org/apache/qpid/server/txn/LocalTransaction.java
@@ -1,53 +1,245 @@
package org.apache.qpid.server.txn;
import org.apache.qpid.server.queue.AMQQueue;
+import org.apache.qpid.server.queue.QueueEntry;
+import org.apache.qpid.server.message.EnqueableMessage;
import org.apache.qpid.server.message.ServerMessage;
+import org.apache.qpid.server.store.StoreContext;
+import org.apache.qpid.server.store.TransactionLog;
+import org.apache.qpid.AMQException;
import java.util.List;
import java.util.ArrayList;
+import java.util.Collection;
public class LocalTransaction implements Transaction
{
private final List<Action> _postCommitActions = new ArrayList<Action>();
- public void dequeue(AMQQueue queue, ServerMessage message, Action postCommitAction)
+ private volatile StoreContext _storeContext;
+ private TransactionLog _transactionLog;
+
+ public LocalTransaction(TransactionLog transactionLog)
+ {
+ _transactionLog = transactionLog;
+ }
+
+ public void addPostCommitAction(Action postCommitAction)
{
_postCommitActions.add(postCommitAction);
}
- public void enqueue(AMQQueue queue, ServerMessage message, Action postCommitAction)
+ public void dequeue(AMQQueue queue, EnqueableMessage message, Action postCommitAction)
{
+ if(message.isPersistent() && queue.isDurable())
+ {
+ try
+ {
+
+ beginTranIfNecessary();
+ _transactionLog.dequeueMessage(_storeContext, queue, message.getMessageNumber());
+
+ }
+ catch(AMQException e)
+ {
+ tidyUpOnError(e);
+ }
+ }
_postCommitActions.add(postCommitAction);
}
- public void commit()
+ public void dequeue(Collection<QueueEntry> queueEntries, Action postCommitAction)
+ {
+ try
+ {
+
+ for(QueueEntry entry : queueEntries)
+ {
+ ServerMessage message = entry.getMessage();
+ AMQQueue queue = entry.getQueue();
+ if(message.isPersistent() && queue.isDurable())
+ {
+ beginTranIfNecessary();
+ _transactionLog.dequeueMessage(_storeContext, queue, message.getMessageNumber());
+ }
+
+ }
+ }
+ catch(AMQException e)
+ {
+ tidyUpOnError(e);
+ }
+ _postCommitActions.add(postCommitAction);
+
+ }
+
+ private void tidyUpOnError(AMQException e)
{
try
{
for(Action action : _postCommitActions)
{
- action.postCommit();
+ action.onRollback();
}
}
finally
{
+ try
+ {
+ _transactionLog.abortTran(_storeContext);
+ }
+ catch (AMQException e1)
+ {
+ // TODO could try to chain the information to the original error
+ }
+ _storeContext = null;
_postCommitActions.clear();
}
+
+ throw new RuntimeException(e);
}
- public void rollback()
+ private void beginTranIfNecessary()
{
+ if(_storeContext == null)
+ {
+ _storeContext = new StoreContext();
+ try
+ {
+ _transactionLog.beginTran(_storeContext);
+ }
+ catch (AMQException e)
+ {
+ tidyUpOnError(e);
+ }
+ }
+ }
+ public void enqueue(AMQQueue queue, EnqueableMessage message, Action postCommitAction)
+ {
+ if(message.isPersistent() && queue.isDurable())
+ {
+ beginTranIfNecessary();
+ try
+ {
+ _transactionLog.enqueueMessage(_storeContext, queue, message.getMessageNumber());
+ }
+ catch (AMQException e)
+ {
+ tidyUpOnError(e);
+ }
+ }
+ _postCommitActions.add(postCommitAction);
+
+
+ }
+
+ public void enqueue(List<AMQQueue> queues, EnqueableMessage message, Action postCommitAction)
+ {
+
+
+ if(message.isPersistent())
+ {
+ if(_storeContext == null)
+ {
+ for(AMQQueue queue : queues)
+ {
+ if(queue.isDurable())
+ {
+ beginTranIfNecessary();
+ break;
+ }
+ }
+
+
+ }
+
+
+ try
+ {
+ for(AMQQueue queue : queues)
+ {
+ if(queue.isDurable())
+ {
+ _transactionLog.enqueueMessage(_storeContext, queue, message.getMessageNumber());
+ }
+ }
+
+ }
+ catch (AMQException e)
+ {
+ tidyUpOnError(e);
+ }
+ }
+ _postCommitActions.add(postCommitAction);
+
+
+ }
+
+ public void commit()
+ {
try
{
+ if(_storeContext != null)
+ {
+
+ _transactionLog.commitTran(_storeContext);
+ }
+
+ for(Action action : _postCommitActions)
+ {
+ action.postCommit();
+ }
+ }
+ catch (AMQException e)
+ {
for(Action action : _postCommitActions)
{
action.onRollback();
}
+ //TODO
+ throw new RuntimeException(e);
}
finally
{
+ _storeContext = null;
_postCommitActions.clear();
}
+
+ }
+
+ public void rollback()
+ {
+
+ try
+ {
+
+ if(_storeContext != null)
+ {
+
+ _transactionLog.abortTran(_storeContext);
+ }
+ }
+ catch (AMQException e)
+ {
+ //TODO
+ e.printStackTrace();
+ throw new RuntimeException(e);
+ }
+ finally
+ {
+ try
+ {
+ for(Action action : _postCommitActions)
+ {
+ action.onRollback();
+ }
+ }
+ finally
+ {
+ _storeContext = null;
+ _postCommitActions.clear();
+ }
+ }
}
}