Package org.apache.qpid.server.txn

Class AutoCommitTransaction

java.lang.Object

org.apache.qpid.server.txn.AutoCommitTransaction

All Implemented Interfaces:

ServerTransaction

public class AutoCommitTransaction
extends Object
implements ServerTransaction

An implementation of ServerTransaction where each enqueue/dequeue operation takes place within it own transaction. Since there is no long-lived transaction, the commit and rollback methods of this implementation are empty.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.qpid.server.txn.ServerTransaction

ServerTransaction.Action, ServerTransaction.EnqueueAction

Constructor Summary

Constructors

Constructor	Description
AutoCommitTransaction(MessageStore transactionLog)

Method Summary

Modifier and Type	Method	Description
void	addPostTransactionAction(ServerTransaction.Action immediateAction)	Since AutoCommitTransaction have no concept of a long lived transaction, any Actions registered by the caller are executed immediately.
void	commit()	Commit the transaction represented by this object.
void	commit(Runnable immediatePostTransactionAction)
void	dequeue(Collection<MessageInstance> queueEntries, ServerTransaction.Action postTransactionAction)	Dequeue a message(s) from queue(s) registering a post transaction action.
void	dequeue(MessageEnqueueRecord record, ServerTransaction.Action postTransactionAction)	Dequeue a message from a queue registering a post transaction action.
void	enqueue(Collection<? extends BaseQueue> queues, EnqueueableMessage message, ServerTransaction.EnqueueAction postTransactionAction)	Enqueue a message(s) to queue(s) registering a post transaction action.
void	enqueue(TransactionLogResource queue, EnqueueableMessage message, ServerTransaction.EnqueueAction postTransactionAction)	Enqueue a message to a queue registering a post transaction action.
long	getTransactionStartTime()	Return the time the current transaction started.
long	getTransactionUpdateTime()	Return the time of the last activity on the current transaction.
boolean	isTransactional()
void	rollback()	Rollback the transaction represented by this object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AutoCommitTransaction

public AutoCommitTransaction(MessageStore transactionLog)

Method Detail

getTransactionStartTime

public long getTransactionStartTime()

Description copied from interface: ServerTransaction

Return the time the current transaction started.

Specified by:

getTransactionStartTime in interface ServerTransaction

Returns:

the time this transaction started or 0 if not in a transaction

getTransactionUpdateTime

public long getTransactionUpdateTime()

Description copied from interface: ServerTransaction

Return the time of the last activity on the current transaction.

Specified by:

getTransactionUpdateTime in interface ServerTransaction

Returns:

the time of the last activity or 0 if not in a transaction

addPostTransactionAction

public void addPostTransactionAction(ServerTransaction.Action immediateAction)

Since AutoCommitTransaction have no concept of a long lived transaction, any Actions registered by the caller are executed immediately.

Specified by:

addPostTransactionAction in interface ServerTransaction

dequeue

public void dequeue(MessageEnqueueRecord record,
                    ServerTransaction.Action postTransactionAction)

Description copied from interface: ServerTransaction

Dequeue a message from a queue registering a post transaction action. A store operation will result only for a if the record is not null.

Specified by:

dequeue in interface ServerTransaction

dequeue

public void dequeue(Collection<MessageInstance> queueEntries,
                    ServerTransaction.Action postTransactionAction)

Description copied from interface: ServerTransaction

Dequeue a message(s) from queue(s) registering a post transaction action. Store operations will result only for a persistent messages on durable queues.

Specified by:

dequeue in interface ServerTransaction

enqueue

public void enqueue(TransactionLogResource queue,
                    EnqueueableMessage message,
                    ServerTransaction.EnqueueAction postTransactionAction)

Description copied from interface: ServerTransaction

Enqueue a message to a queue registering a post transaction action. A store operation will result only for a persistent message on a durable queue.

Specified by:

enqueue in interface ServerTransaction

enqueue

public void enqueue(Collection<? extends BaseQueue> queues,
                    EnqueueableMessage message,
                    ServerTransaction.EnqueueAction postTransactionAction)

Description copied from interface: ServerTransaction

Enqueue a message(s) to queue(s) registering a post transaction action. Store operations will result only for a persistent messages on durable queues.

Specified by:

enqueue in interface ServerTransaction

commit

public void commit(Runnable immediatePostTransactionAction)

Specified by:

commit in interface ServerTransaction

commit

public void commit()

Description copied from interface: ServerTransaction

Commit the transaction represented by this object. If the caller has registered one or more Actions, the postCommit() method on each will be executed immediately after the underlying transaction has committed.

Specified by:

commit in interface ServerTransaction

rollback

public void rollback()

Description copied from interface: ServerTransaction

Rollback the transaction represented by this object. If the caller has registered one or more Actions, the onRollback() method on each will be executed immediately after the underlying transaction has rolled-back.

Specified by:

rollback in interface ServerTransaction

isTransactional

public boolean isTransactional()

Specified by:

isTransactional in interface ServerTransaction