org.codehaus.activemq.store.bdbn
Class BDbMessageStore

java.lang.Object
  org.codehaus.activemq.store.bdbn.BDbMessageStore

All Implemented Interfaces:

MessageStore, Service

Direct Known Subclasses:

BDbTopicMessageStore

public class BDbMessageStore

extends Object

implements MessageStore

An implementation of MessageStore using native C Berkeley DB

Version:

$Revision: 1.2 $

Constructor Summary

BDbMessageStore()

Method Summary

MessageIdentity	addMessage(ActiveMQMessage message) Adds a message to the message store
protected byte[]	asBytes(ActiveMQMessage message)
protected byte[]	asBytes(String messageID)
protected com.sleepycat.db.Dbt	createKey(String messageID)
protected ActiveMQMessage	extractMessage(com.sleepycat.db.Dbt value)
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	setMessageContainer(MessageContainer container)
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

Constructor Detail

BDbMessageStore

public BDbMessageStore()

Method Detail

setMessageContainer

public void setMessageContainer(MessageContainer container)

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

createKey

protected com.sleepycat.db.Dbt createKey(String messageID)

extractMessage

protected ActiveMQMessage extractMessage(com.sleepycat.db.Dbt value)
                                  throws IOException

Throws:

IOException

asBytes

protected byte[] asBytes(ActiveMQMessage message)
                  throws IOException,
                         JMSException

Throws:

IOException

JMSException

asBytes

protected byte[] asBytes(String messageID)