Package org.apache.activemq.store.memory

Class MemoryTransactionStore

java.lang.Object

org.apache.activemq.store.memory.MemoryTransactionStore

All Implemented Interfaces:

org.apache.activemq.Service, TransactionStore

public class MemoryTransactionStore
extends Object
implements TransactionStore

Provides a TransactionStore implementation that can create transaction aware MessageStore objects from non transaction aware MessageStore objects.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	MemoryTransactionStore.AddMessageCommand
static interface	MemoryTransactionStore.RemoveMessageCommand
class	MemoryTransactionStore.Tx

Field Summary

Fields

Modifier and Type	Field	Description
protected final BrokerService	brokerService
protected ConcurrentMap<Object,MemoryTransactionStore.Tx>	inflightTransactions
protected final PersistenceAdapter	persistenceAdapter
protected Map<org.apache.activemq.command.TransactionId,MemoryTransactionStore.Tx>	preparedTransactions

Constructor Summary

Constructors

Constructor	Description
MemoryTransactionStore(PersistenceAdapter persistenceAdapter, BrokerService brokerService)

Method Summary

Modifier and Type	Method	Description
void	acknowledge(TopicMessageStore destination, String clientId, String subscriptionName, org.apache.activemq.command.MessageId messageId, org.apache.activemq.command.MessageAck ack)
void	commit(org.apache.activemq.command.TransactionId txid, boolean wasPrepared, Runnable preCommit, Runnable postCommit)
void	delete()
MemoryTransactionStore.Tx	getPreparedTx(org.apache.activemq.command.TransactionId txid)
MemoryTransactionStore.Tx	getTx(Object txid)
protected void	onProxyQueueStore(ProxyMessageStore proxyMessageStore)
protected void	onProxyTopicStore(ProxyTopicMessageStore proxyTopicMessageStore)
protected void	onRecovered(MemoryTransactionStore.Tx tx)
void	prepare(org.apache.activemq.command.TransactionId txid)
MessageStore	proxy(MessageStore messageStore)
TopicMessageStore	proxy(TopicMessageStore messageStore)
void	recover(TransactionRecoveryListener listener)
void	rollback(org.apache.activemq.command.TransactionId txid)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Details

inflightTransactions

protected ConcurrentMap<Object,MemoryTransactionStore.Tx> inflightTransactions

preparedTransactions

protected Map<org.apache.activemq.command.TransactionId,MemoryTransactionStore.Tx> preparedTransactions

persistenceAdapter

protected final PersistenceAdapter persistenceAdapter

brokerService

protected final BrokerService brokerService

Constructor Details

MemoryTransactionStore

public MemoryTransactionStore(PersistenceAdapter persistenceAdapter,
 BrokerService brokerService)

Method Details

proxy

public MessageStore proxy(MessageStore messageStore)

onProxyQueueStore

protected void onProxyQueueStore(ProxyMessageStore proxyMessageStore)

proxy

public TopicMessageStore proxy(TopicMessageStore messageStore)

onProxyTopicStore

protected void onProxyTopicStore(ProxyTopicMessageStore proxyTopicMessageStore)

prepare

public void prepare(org.apache.activemq.command.TransactionId txid)
             throws IOException

Specified by:

prepare in interface TransactionStore

Throws:

IOException

See Also:

• TransactionStore.prepare(TransactionId)

getTx

public MemoryTransactionStore.Tx getTx(Object txid)

getPreparedTx

public MemoryTransactionStore.Tx getPreparedTx(org.apache.activemq.command.TransactionId txid)

commit

public void commit(org.apache.activemq.command.TransactionId txid,
 boolean wasPrepared,
 Runnable preCommit,
 Runnable postCommit)
            throws IOException

Specified by:

commit in interface TransactionStore

Throws:

IOException

rollback

public void rollback(org.apache.activemq.command.TransactionId txid)
              throws IOException

Specified by:

rollback in interface TransactionStore

Throws:

IOException

See Also:

• TransactionStore.rollback(TransactionId)

start

public void start()
           throws Exception

Specified by:

start in interface org.apache.activemq.Service

Throws:

Exception

stop

public void stop()
          throws Exception

Specified by:

stop in interface org.apache.activemq.Service

Throws:

Exception

recover

public void recover(TransactionRecoveryListener listener)
             throws IOException

Specified by:

recover in interface TransactionStore

Throws:

IOException

onRecovered

protected void onRecovered(MemoryTransactionStore.Tx tx)

acknowledge

public void acknowledge(TopicMessageStore destination,
 String clientId,
 String subscriptionName,
 org.apache.activemq.command.MessageId messageId,
 org.apache.activemq.command.MessageAck ack)
                 throws IOException

Throws:

IOException

delete

public void delete()