org.apache.activemq.store.memory
Class MemoryMessageStore

java.lang.Object
  org.apache.activemq.store.memory.MemoryMessageStore

All Implemented Interfaces:

Service, MessageStore

Direct Known Subclasses:

MemoryTopicMessageStore

public class MemoryMessageStore
extends java.lang.Object
implements MessageStore

An implementation of MessageStore which uses a

Version:

$Revision: 1.7 $

Field Summary

protected ActiveMQDestination	destination
protected java.util.Map	messageTable

Constructor Summary

MemoryMessageStore(ActiveMQDestination destination)

MemoryMessageStore(ActiveMQDestination destination, java.util.Map messageTable)

Method Summary

void	addMessage(ConnectionContext context, Message message) Adds a message to the message store
void	addMessageReference(ConnectionContext context, MessageId messageId, long expirationTime, java.lang.String messageRef) Adds a message reference to the message store
void	delete()
ActiveMQDestination	getDestination() The destination that the message store is holding messages for.
Message	getMessage(MessageId identity) Looks up a message using either the String messageID or the messageNumber.
java.lang.String	getMessageReference(MessageId identity) Looks up a message using either the String messageID or the messageNumber.
void	recover(MessageRecoveryListener listener) Recover any messages to be delivered.
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	removeMessage(MessageId msgId)
void	setUsageManager(UsageManager usageManager)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

destination

protected final ActiveMQDestination destination

messageTable

protected final java.util.Map messageTable

Constructor Detail

MemoryMessageStore

public MemoryMessageStore(ActiveMQDestination destination)

MemoryMessageStore

public MemoryMessageStore(ActiveMQDestination destination,
                          java.util.Map messageTable)

Method Detail

addMessage

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

Description copied from interface: MessageStore

Adds a message to the message store

Specified by:

addMessage in interface MessageStore

Parameters:

context - TODO

Throws:

java.io.IOException

addMessageReference

public void addMessageReference(ConnectionContext context,
                                MessageId messageId,
                                long expirationTime,
                                java.lang.String messageRef)
                         throws java.io.IOException

Description copied from interface: MessageStore

Adds a message reference to the message store

Specified by:

addMessageReference in interface MessageStore

Parameters:

context - TODO

messageId - TODO

expirationTime - TODO

Throws:

java.io.IOException

getMessage

public Message getMessage(MessageId identity)
                   throws java.io.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:

java.io.IOException

getMessageReference

public java.lang.String getMessageReference(MessageId identity)
                                     throws java.io.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:

getMessageReference in interface MessageStore

Parameters:

identity - which contains either the messageID or the messageNumber

Returns:

the message or null if it does not exist

Throws:

java.io.IOException

removeMessage

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

Description copied from interface: MessageStore

Removes a message from the message store.

Specified by:

removeMessage in interface MessageStore

Parameters:

context - TODO

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:

java.io.IOException

removeMessage

public void removeMessage(MessageId msgId)
                   throws java.io.IOException

Throws:

java.io.IOException

recover

public void recover(MessageRecoveryListener listener)
             throws java.lang.Exception

Description copied from interface: MessageStore

Recover any messages to be delivered.

Specified by:

recover in interface MessageStore

Throws:

java.lang.Exception

start

public void start()

Specified by:

start in interface Service

stop

public void stop()

Specified by:

stop in interface Service

removeAllMessages

public void removeAllMessages(ConnectionContext context)
                       throws java.io.IOException

Description copied from interface: MessageStore

Removes all the messages from the message store.

Specified by:

removeAllMessages in interface MessageStore

Parameters:

context - TODO

Throws:

java.io.IOException

getDestination

public ActiveMQDestination getDestination()

Description copied from interface: MessageStore

The destination that the message store is holding messages for.

Specified by:

getDestination in interface MessageStore

Returns:

delete

public void delete()

setUsageManager

public void setUsageManager(UsageManager usageManager)

Specified by:

setUsageManager in interface MessageStore

Parameters:

usageManager - The UsageManager that is controlling the destination's memory usage.