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Messenger facade: MessengerFactory.createMessenger() now takes app-region as parameter

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* Allows single factory to be specified and individual consumers to use it to create appropriate application-region-scoped messengers.
* New interface more appropriate for where non-DI use will be required, e.g. Ehcache peer providers.



git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@33846 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Matt Ward
2012-02-13 11:08:20 +00:00
parent b9cfc43929
commit ac387f5f7b
10 changed files with 46 additions and 63 deletions
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32
source/java/org/alfresco/repo/cluster/HazelcastMessengerFactory.java
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@@ -21,38 +21,32 @@ package org.alfresco.repo.cluster;
import java.io.Serializable;
import org.alfresco.util.PropertyCheck;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.ITopic;
/**
* Hazelcast-based implementation of the {@link MessengerFactory} interface.
* The factory must be configured with an {@link ITopic} - which
* should be configured with a topic name that corresponds to an application
* region.
* The factory must be configured with a {@link HazelcastInstance} - which
* is the underlying factory for {@link ITopic} creation.
*
* @author Matt Ward
*/
public class HazelcastMessengerFactory implements MessengerFactory
{
private ITopic<Object> topic;
private HazelcastInstance hazelcast;
@Override
public <T extends Serializable> Messenger<T> createMessenger(String appRegion)
{
ITopic<T> topic = hazelcast.getTopic(appRegion);
return new HazelcastMessenger<T>(topic);
}
/**
* @param topic the topic to set
* @param hazelcast the hazelcast to set
*/
public void setTopic(ITopic<Object> topic)
public void setHazelcast(HazelcastInstance hazelcast)
{
this.topic = topic;
}
/*
* @see org.alfresco.repo.cluster.MessengerFactory#createMessenger()
*/
@Override
public <T extends Serializable> Messenger<T> createMessenger()
{
PropertyCheck.mandatory(this, "topic", topic);
return new HazelcastMessenger(topic);
this.hazelcast = hazelcast;
}
}