org.activemq.store.cache
Class SimpleMessageCache

java.lang.Object
  org.activemq.store.cache.SimpleMessageCache

All Implemented Interfaces:

MessageCache

public class SimpleMessageCache
extends Object
implements MessageCache

A simple cache that stores messages in memory. Cache entries are evicted when they they get to old (A LRU cache is used).

Version:

$Revision: 1.1.1.1 $

Constructor Summary

SimpleMessageCache()

SimpleMessageCache(int cacheSize)

Method Summary

void	close() Lets a cache know it will not be used any further and that it can release aquired resources
ActiveMQMessage	get(String msgid) Gets a message that was previously put into this object.
void	put(String messageID, ActiveMQMessage message) Puts a message into the cache.
void	remove(String messageID) Remvoes a message from the cache.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleMessageCache

public SimpleMessageCache()

SimpleMessageCache

public SimpleMessageCache(int cacheSize)

Method Detail

get

public ActiveMQMessage get(String msgid)

Gets a message that was previously put into this object.

Specified by:

get in interface MessageCache

Parameters:

msgid -

Returns:

null if the message was not previously put or if the message has expired out of the cache.

put

public void put(String messageID,
                ActiveMQMessage message)

Puts a message into the cache.

Specified by:

put in interface MessageCache

Parameters:

messageID -

message -

remove

public void remove(String messageID)

Remvoes a message from the cache.

Specified by:

remove in interface MessageCache

Parameters:

messageID -

close

public void close()

Description copied from interface: MessageCache

Lets a cache know it will not be used any further and that it can release aquired resources

Specified by:

close in interface MessageCache