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/**
* Copyright (c) 2006 Ecliptical Software Inc. and others.
* 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:
* Ecliptical Software Inc. - initial API and implementation
*/
package org.eclipse.ecf.pubsub.model.impl;
import java.util.Map;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.ecf.core.IIdentifiable;
import org.eclipse.ecf.core.ISharedObject;
import org.eclipse.ecf.core.ISharedObjectConfig;
import org.eclipse.ecf.core.SharedObjectInitException;
import org.eclipse.ecf.core.events.IContainerConnectedEvent;
import org.eclipse.ecf.core.events.IContainerDisconnectedEvent;
import org.eclipse.ecf.core.events.ISharedObjectActivatedEvent;
import org.eclipse.ecf.core.events.ISharedObjectDeactivatedEvent;
import org.eclipse.ecf.core.events.ISharedObjectMessageEvent;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.util.Event;
import org.eclipse.ecf.pubsub.model.IModelUpdater;
public abstract class AgentBase extends PlatformObject implements ISharedObject, IIdentifiable {
public static final Object INITIAL_DATA_KEY = new Integer(0);
public static final Object MODEL_UPDATER_KEY = new Integer(1);
protected static final Object REQUESTOR_ID = new Integer(2);
protected ISharedObjectConfig config;
protected Object data;
protected String updaterID;
protected IModelUpdater updater;
public void init(ISharedObjectConfig config) throws SharedObjectInitException {
Map props = config.getProperties();
initializeData(props.get(INITIAL_DATA_KEY));
updaterID = (String) props.get(MODEL_UPDATER_KEY);
if (updaterID == null)
throw new SharedObjectInitException("Model Updater is required.");
initializeUpdater();
this.config = config;
}
protected abstract void initializeData(Object data) throws SharedObjectInitException;
protected void initializeUpdater() throws SharedObjectInitException {
}
public Object getData() {
return data;
}
public void handleEvent(Event event) {
if (event instanceof ISharedObjectActivatedEvent) {
ISharedObjectActivatedEvent e = (ISharedObjectActivatedEvent) event;
if (e.getActivatedID().equals(config.getSharedObjectID()))
activated();
else
activated(e.getActivatedID());
} else if (event instanceof ISharedObjectDeactivatedEvent) {
ISharedObjectDeactivatedEvent e = (ISharedObjectDeactivatedEvent) event;
if (e.getDeactivatedID().equals(config.getSharedObjectID()))
deactivated();
else
deactivated(e.getDeactivatedID());
} else if (event instanceof IContainerConnectedEvent) {
IContainerConnectedEvent e = (IContainerConnectedEvent) event;
if (e.getTargetID().equals(e.getLocalContainerID()))
connected();
else
connected(e.getTargetID());
} else if (event instanceof IContainerDisconnectedEvent) {
IContainerDisconnectedEvent e = (IContainerDisconnectedEvent) event;
if (e.getTargetID().equals(e.getLocalContainerID()))
disconnected();
else
disconnected(e.getTargetID());
} else if (event instanceof ISharedObjectMessageEvent) {
ISharedObjectMessageEvent e = (ISharedObjectMessageEvent) event;
received(e.getRemoteContainerID(), e.getData());
}
}
protected boolean isConnected() {
return config.getContext().getConnectedID() != null;
}
protected void activated(ID sharedObjectID) {
}
protected void activated() {
}
protected void deactivated(ID sharedObjectID) {
}
protected void deactivated() {
}
protected void connected(ID containerID) {
}
protected void connected() {
}
protected void disconnected(ID containerID) {
}
protected void disconnected() {
}
protected void received(ID containerID, Object data) {
}
public void handleEvents(Event[] events) {
for (int i = 0; i < events.length; ++i)
handleEvent(events[i]);
}
public ID getID() {
return config.getSharedObjectID();
}
public void dispose(ID containerID) {
config = null;
data = null;
updater = null;
}
}
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