/*******************************************************************************
* Copyright (c) 2004 Peter Nehrer and Composent, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Peter Nehrer - initial API and implementation
*******************************************************************************/
package org.eclipse.ecf.internal.sdo;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.sharedobject.ISharedObject;
import org.eclipse.ecf.core.sharedobject.ISharedObjectConfig;
import org.eclipse.ecf.core.sharedobject.ISharedObjectContext;
import org.eclipse.ecf.core.sharedobject.ISharedObjectManager;
import org.eclipse.ecf.core.sharedobject.SharedObjectInitException;
import org.eclipse.ecf.core.util.ECFException;
import org.eclipse.ecf.core.util.Event;
import org.eclipse.ecf.sdo.IDataGraphSharing;
import org.eclipse.ecf.sdo.IPublicationCallback;
import org.eclipse.ecf.sdo.ISharedDataGraph;
import org.eclipse.ecf.sdo.ISubscriptionCallback;
import org.eclipse.ecf.sdo.IUpdateConsumer;
import org.eclipse.ecf.sdo.IUpdateProvider;
import commonj.sdo.DataGraph;
/**
* @author pnehrer
*/
public class DataGraphSharing implements
IDataGraphSharing, ISharedObject {
static final String DATA_GRAPH_SHARING_ID = DataGraphSharing.class
.getName();
private ISharedObjectConfig config;
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.sdo.IDataGraphSharing#publish(commonj.sdo.DataGraph,
* org.eclipse.ecf.core.identity.ID,
* org.eclipse.ecf.sdo.IUpdateProvider,
* org.eclipse.ecf.sdo.IUpdateConsumer,
* org.eclipse.ecf.sdo.IPublicationCallback)
*/
public synchronized ISharedDataGraph publish(DataGraph dataGraph, ID id,
IUpdateProvider provider, IUpdateConsumer consumer,
IPublicationCallback callback) throws ECFException {
if (config == null)
throw new ECFException("Not initialized.");
// create local object
ISharedObjectManager mgr = config.getContext().getSharedObjectManager();
SharedDataGraph sdg = new SharedDataGraph(dataGraph, provider,
consumer, callback, null);
mgr.addSharedObject(id, sdg, null);
return sdg;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.sdo.IDataGraphSharing#subscribe(org.eclipse.ecf.core.identity.ID,
* org.eclipse.ecf.sdo.ISubscriptionCallback,
* org.eclipse.ecf.sdo.IUpdateProvider,
* org.eclipse.ecf.sdo.IUpdateConsumer)
*/
public synchronized ISharedDataGraph subscribe(ID id,
IUpdateProvider provider, IUpdateConsumer consumer,
ISubscriptionCallback callback) throws ECFException {
if (config == null)
throw new ECFException("Not initialized.");
// create local object
ISharedObjectManager mgr = config.getContext().getSharedObjectManager();
SharedDataGraph sdg = new SharedDataGraph(null, provider, consumer,
null, callback);
mgr.addSharedObject(id, sdg, null);
return sdg;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.sdo.IDataGraphSharing#dispose()
*/
public synchronized void dispose() {
if (config != null)
config.getContext().getSharedObjectManager().removeSharedObject(
config.getSharedObjectID());
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObject#init(org.eclipse.ecf.core.ISharedObjectConfig)
*/
public synchronized void init(ISharedObjectConfig initData)
throws SharedObjectInitException {
if (config == null)
config = initData;
else
throw new SharedObjectInitException("Already initialized.");
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObject#handleEvent(org.eclipse.ecf.core.util.Event)
*/
public void handleEvent(Event event) {
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObject#handleEvents(org.eclipse.ecf.core.util.Event[])
*/
public void handleEvents(Event[] events) {
for (int i = 0; i < events.length; ++i)
handleEvent(events[i]);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObject#dispose(org.eclipse.ecf.core.identity.ID)
*/
public synchronized void dispose(ID containerID) {
if (config != null) {
ISharedObjectContext context = config.getContext();
if (context != null) {
if (context.getLocalContainerID().equals(containerID)) {
config = null;
}
}
}
}
/* (non-Javadoc)
* @see org.eclipse.ecf.core.ISharedObject#getAdapter(java.lang.Class)
*/
public Object getAdapter(Class clazz) {
return null;
}
}