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/****************************************************************************
* Copyright (c) 2004 Composent, 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:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
/*
* Created on Dec 20, 2004
*
*/
package org.eclipse.ecf.provider.generic;
import java.util.Enumeration;
import java.util.Hashtable;
import org.eclipse.ecf.core.identity.ID;
import org.eclipse.ecf.core.sharedobject.ISharedObjectConnector;
import org.eclipse.ecf.core.sharedobject.events.ISharedObjectEvent;
import org.eclipse.ecf.core.sharedobject.events.SharedObjectCallEvent;
import org.eclipse.ecf.core.sharedobject.util.IQueueEnqueue;
import org.eclipse.ecf.core.sharedobject.util.QueueException;
import org.eclipse.ecf.core.util.AsynchResult;
public class SOConnector implements ISharedObjectConnector {
ID sender;
Hashtable receiverQueues = null;
public SOConnector(ID sender, ID[] recv, IQueueEnqueue[] queues) {
super();
this.receiverQueues = new Hashtable();
for (int i = 0; i < recv.length; i++) {
receiverQueues.put(recv[i], queues[i]);
}
}
protected void fireEvent(ISharedObjectEvent event) throws QueueException {
for (Enumeration e = receiverQueues.elements(); e.hasMoreElements();) {
IQueueEnqueue queue = (IQueueEnqueue) e.nextElement();
queue.enqueue(event);
}
}
protected void fireEvents(ISharedObjectEvent[] event) throws QueueException {
for (Enumeration e = receiverQueues.elements(); e.hasMoreElements();) {
IQueueEnqueue queue = (IQueueEnqueue) e.nextElement();
if (queue != null) {
queue.enqueue(event);
}
}
}
protected AsynchResult[] fireCallEvent(ISharedObjectEvent event)
throws QueueException {
AsynchResult[] results = new AsynchResult[receiverQueues.size()];
int i = 0;
for (Enumeration e = receiverQueues.elements(); e.hasMoreElements();) {
IQueueEnqueue queue = (IQueueEnqueue) e.nextElement();
results[i] = new AsynchResult();
queue.enqueue(new SharedObjectCallEvent(event
.getSenderSharedObjectID(), event, results[i]));
}
return results;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObjectConnector#getSender()
*/
public ID getSenderID() {
return sender;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObjectConnector#getReceivers()
*/
public ID[] getReceiverIDs() {
return (ID[]) receiverQueues.keySet().toArray(
new ID[receiverQueues.size()]);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObjectConnector#enqueue(org.eclipse.ecf.core.events.ISharedObjectEvent)
*/
public void enqueue(ISharedObjectEvent event) throws QueueException {
fireEvent(event);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObjectConnector#enqueue(org.eclipse.ecf.core.events.ISharedObjectEvent[])
*/
public void enqueue(ISharedObjectEvent[] events) throws QueueException {
fireEvents(events);
}
public AsynchResult[] callAsynch(ISharedObjectEvent arg) throws Exception {
return fireCallEvent(arg);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.core.ISharedObjectConnector#dispose()
*/
public void dispose() {
if (receiverQueues != null) {
receiverQueues.clear();
receiverQueues = null;
}
sender = null;
}
}
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