org.activemq.store.vm
Class VMMessageStore

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

All Implemented Interfaces:

Service, MessageStore

Direct Known Subclasses:

VMTopicMessageStore

public class VMMessageStore
extends Object
implements MessageStore

An implementation of MessageStore which uses a

Version:

$Revision: 1.1.1.1 $

Field Summary

protected MessageIdentity	lastMessageIdentity
protected Map	messageTable

Constructor Summary

VMMessageStore()

VMMessageStore(LinkedHashMap messageTable)

Method Summary

void	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(RecoveryListener listener) Recover any messages to be delivered.
void	removeAllMessages() Removes all the messages from the message store.
void	removeMessage(MessageAck ack) Removes a message from the message store.
void	removeMessage(MessageIdentity msgId)
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

lastMessageIdentity

protected MessageIdentity lastMessageIdentity

Constructor Detail

VMMessageStore

public VMMessageStore()

VMMessageStore

public VMMessageStore(LinkedHashMap messageTable)

Method Detail

addMessage

public void 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(MessageAck ack)
                   throws JMSException

Description copied from interface: MessageStore

Removes a message from the message store.

Specified by:

removeMessage in interface MessageStore

Parameters:

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:

JMSException

removeMessage

public void removeMessage(MessageIdentity msgId)
                   throws JMSException

Throws:

JMSException

recover

public void recover(RecoveryListener listener)
             throws JMSException

Description copied from interface: MessageStore

Recover any messages to be delivered.

Specified by:

recover in interface MessageStore

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

removeAllMessages

public void removeAllMessages()
                       throws JMSException

Description copied from interface: MessageStore

Removes all the messages from the message store.

Specified by:

removeAllMessages in interface MessageStore

Throws:

JMSException