org.codehaus.activemq.store.vm
Class VMMessageStore

java.lang.Object
  org.codehaus.activemq.store.vm.VMMessageStore

All Implemented Interfaces:

MessageStore, Service

Direct Known Subclasses:

VMTopicMessageStore

public class VMMessageStore

extends Object

implements MessageStore

An implementation of MessageStore which uses a

Version:

$Revision: 1.1 $

Field Summary

protected Map

messageTable

Constructor Summary

VMMessageStore()

VMMessageStore(LinkedHashMap messageTable)

Method Summary

MessageIdentity	addMessage(ActiveMQMessage message) Adds a message to the message store
ActiveMQMessage	getMessage(MessageIdentity identity) Looks up a message using either the String messageID or the messageNumber.
void	recover(QueueMessageContainer container) Recover any messages to be delivered onto the dispatch queue.
void	removeMessage(MessageIdentity identity, MessageAck ack)
void	start() Called to start the service
void	stop() Called to shutdown the service

Methods inherited from class java.lang.Object

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

Field Detail

messageTable

protected Map messageTable

Constructor Detail

VMMessageStore

public VMMessageStore()

VMMessageStore

public VMMessageStore(LinkedHashMap messageTable)

Method Detail

addMessage

public MessageIdentity addMessage(ActiveMQMessage message)
                           throws JMSException

Description copied from interface: MessageStore

Adds a message to the message store

Specified by:

addMessage in interface MessageStore

Throws:

JMSException

getMessage

public ActiveMQMessage getMessage(MessageIdentity identity)
                           throws JMSException

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:

JMSException

removeMessage

public void removeMessage(MessageIdentity identity,
                          MessageAck ack)
                   throws JMSException

Specified by:

removeMessage in interface MessageStore

Throws:

JMSException

recover

public void recover(QueueMessageContainer container)
             throws JMSException

Description copied from interface: MessageStore

Recover any messages to be delivered onto the dispatch queue.

Only called when this store is used for durable queues.

Specified by:

recover in interface MessageStore

Parameters:

container -

Throws:

JMSException

start

public void start()
           throws JMSException

Description copied from interface: Service

Called to start the service

Specified by:

start in interface Service

Throws:

JMSException

stop

public void stop()
          throws JMSException

Description copied from interface: Service

Called to shutdown the service

Specified by:

stop in interface Service

Throws:

JMSException