org.apache.activemq.store.kahadaptor

Class KahaReferenceStore

java.lang.Object

org.apache.activemq.store.AbstractMessageStore

org.apache.activemq.store.kahadaptor.KahaReferenceStore

All Implemented Interfaces:

Service, MessageStore, ReferenceStore

Direct Known Subclasses:

KahaTopicReferenceStore

public class KahaReferenceStore
extends AbstractMessageStore
implements ReferenceStore

Author:

rajdavies

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.activemq.store.ReferenceStore

ReferenceStore.ReferenceData

Field Summary

Fields

Modifier and Type	Field and Description
protected KahaReferenceStoreAdapter	adapter
protected ActiveMQMessageAudit	dispatchAudit
protected Lock	lock
protected MapContainer<MessageId,ReferenceRecord>	messageContainer

Fields inherited from class org.apache.activemq.store.AbstractMessageStore

destination, FUTURE, prioritizedMessages

Constructor Summary

Constructors

Constructor and Description
KahaReferenceStore(KahaReferenceStoreAdapter adapter, MapContainer<MessageId,ReferenceRecord> container, ActiveMQDestination destination)

Method Summary

Methods

Modifier and Type	Method and Description
void	addMessage(ConnectionContext context, Message message) Adds a message to the message store
boolean	addMessageReference(ConnectionContext context, MessageId messageId, ReferenceStore.ReferenceData data) Adds a message reference to the message store
void	delete()
void	dispose(ConnectionContext context)
Message	getMessage(MessageId identity) Looks up a message using either the String messageID or the messageNumber.
int	getMessageCount()
protected MessageId	getMessageId(Object object)
ReferenceStore.ReferenceData	getMessageReference(MessageId identity) Looks up a message using either the String messageID or the messageNumber.
Lock	getStoreLock()
protected boolean	isDuplicate(MessageId messageId)
boolean	isSupportForCursors()
void	recover(MessageRecoveryListener listener) Recover any messages to be delivered.
void	recoverNextMessages(int maxReturned, MessageRecoveryListener listener)
protected boolean	recoverReference(MessageRecoveryListener listener, ReferenceRecord record)
void	removeAllMessages(ConnectionContext context) Removes all the messages from the message store.
void	removeMessage(ConnectionContext context, MessageAck ack) Removes a message from the message store.
void	resetBatching() A hint to the Store to reset any batching state for the Destination
void	setBatch(MessageId startAfter) allow caching cursors to set the current batch offset when cache is exhausted
boolean	supportsExternalBatchControl()

Methods inherited from class org.apache.activemq.store.AbstractMessageStore

addMessage, asyncAddQueueMessage, asyncAddQueueMessage, asyncAddTopicMessage, asyncAddTopicMessage, getDestination, isEmpty, isPrioritizedMessages, removeAsyncMessage, setMemoryUsage, setPrioritizedMessages, start, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.activemq.store.MessageStore

addMessage, asyncAddQueueMessage, asyncAddQueueMessage, asyncAddTopicMessage, asyncAddTopicMessage, getDestination, isEmpty, isPrioritizedMessages, removeAsyncMessage, setMemoryUsage, setPrioritizedMessages

Methods inherited from interface org.apache.activemq.Service

start, stop

Field Detail

messageContainer

protected final MapContainer<MessageId,ReferenceRecord> messageContainer

adapter

protected KahaReferenceStoreAdapter adapter

dispatchAudit

protected ActiveMQMessageAudit dispatchAudit

lock

protected final Lock lock

Constructor Detail

KahaReferenceStore

public KahaReferenceStore(KahaReferenceStoreAdapter adapter,
                  MapContainer<MessageId,ReferenceRecord> container,
                  ActiveMQDestination destination)
                   throws IOException

Throws:

IOException

Method Detail

getStoreLock

public Lock getStoreLock()

Specified by:

getStoreLock in interface ReferenceStore

dispose

public void dispose(ConnectionContext context)

Specified by:

dispose in interface MessageStore

Overrides:

dispose in class AbstractMessageStore

getMessageId

protected MessageId getMessageId(Object object)

addMessage

public void addMessage(ConnectionContext context,
              Message message)
                throws IOException

Description copied from interface: MessageStore

Adds a message to the message store

Specified by:

addMessage in interface MessageStore

Parameters:

context - context

Throws:

IOException

getMessage

public Message getMessage(MessageId identity)
                   throws IOException

Description copied from interface: MessageStore

Looks up a message using either the String messageID or the messageNumber. Implementations are encouraged to fill in the missing key if its easy to do so.

Specified by:

getMessage in interface MessageStore

Parameters:

identity - which contains either the messageID or the messageNumber

Returns:

the message or null if it does not exist

Throws:

IOException

recoverReference

protected final boolean recoverReference(MessageRecoveryListener listener,
                       ReferenceRecord record)
                                  throws Exception

Throws:

Exception

recover

public void recover(MessageRecoveryListener listener)
             throws Exception

Description copied from interface: MessageStore

Recover any messages to be delivered.

Specified by:

recover in interface MessageStore

Throws:

Exception

recoverNextMessages

public void recoverNextMessages(int maxReturned,
                       MessageRecoveryListener listener)
                         throws Exception

Specified by:

recoverNextMessages in interface MessageStore

Throws:

Exception

addMessageReference

public boolean addMessageReference(ConnectionContext context,
                          MessageId messageId,
                          ReferenceStore.ReferenceData data)
                            throws IOException

Description copied from interface: ReferenceStore

Adds a message reference to the message store

Specified by:

addMessageReference in interface ReferenceStore

Returns:

true if reference was added, false if it is a duplicate and not added

Throws:

IOException

isDuplicate

protected boolean isDuplicate(MessageId messageId)

getMessageReference

public ReferenceStore.ReferenceData getMessageReference(MessageId identity)
                                                 throws IOException

Description copied from interface: ReferenceStore

Looks up a message using either the String messageID or the messageNumber. Implementations are encouraged to fill in the missing key if its easy to do so.

Specified by:

getMessageReference in interface ReferenceStore

Throws:

IOException

removeMessage

public void removeMessage(ConnectionContext context,
                 MessageAck ack)
                   throws IOException

Description copied from interface: MessageStore

Removes a message from the message store.

Specified by:

removeMessage in interface MessageStore

ack - the ack request that cause the message to be removed. It conatins the identity which contains the messageID of the message that needs to be removed.

Throws:

IOException

removeAllMessages

public void removeAllMessages(ConnectionContext context)
                       throws IOException

Description copied from interface: MessageStore

Removes all the messages from the message store.

Specified by:

removeAllMessages in interface MessageStore

Throws:

IOException

delete

public void delete()

resetBatching

public void resetBatching()

Description copied from interface: MessageStore

A hint to the Store to reset any batching state for the Destination

Specified by:

resetBatching in interface MessageStore

getMessageCount

public int getMessageCount()

Specified by:

getMessageCount in interface MessageStore

Returns:

the number of messages ready to deliver

isSupportForCursors

public boolean isSupportForCursors()

supportsExternalBatchControl

public boolean supportsExternalBatchControl()

Specified by:

supportsExternalBatchControl in interface ReferenceStore

Returns:

true if it supports external batch control

setBatch

public void setBatch(MessageId startAfter)

Description copied from interface: MessageStore

allow caching cursors to set the current batch offset when cache is exhausted

Specified by:

setBatch in interface MessageStore

Specified by:

setBatch in interface ReferenceStore

Overrides:

setBatch in class AbstractMessageStore

Parameters:

startAfter -

See Also:

ReferenceStore.setBatch(org.apache.activemq.command.MessageId)