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/*******************************************************************************
* Copyright (c) 2011, 2014 Wind River Systems, 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.locator.services;
import java.util.Collection;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.tcf.locator.interfaces.IPeerModelListener;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNodeProperties;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelUpdateService;
/**
* Default peer model update service implementation.
*/
public class PeerModelUpdateService extends AbstractPeerModelService implements IPeerModelUpdateService {
/**
* Constructor.
*
* @param parentModel The parent peer model instance. Must not be <code>null</code>.
*/
public PeerModelUpdateService(IPeerModel parentModel) {
super(parentModel);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.services.ILocatorModelUpdateService#add(org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.IPeerModel)
*/
@SuppressWarnings("unchecked")
@Override
public void add(final IPeerNode peerNode) {
Assert.isNotNull(peerNode);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
Map<String, IPeerNode> peerNodes = (Map<String, IPeerNode>)getPeerModel().getAdapter(Map.class);
Assert.isNotNull(peerNodes);
peerNodes.put(peerNode.getPeerId(), peerNode);
final IPeerModelListener[] listeners = getPeerModel().getListener();
if (listeners.length > 0) {
Protocol.invokeLater(new Runnable() {
@Override
public void run() {
for (IPeerModelListener listener : listeners) {
listener.modelChanged(getPeerModel(), peerNode, true);
}
}
});
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.services.ILocatorModelUpdateService#remove(org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.IPeerModel)
*/
@SuppressWarnings("unchecked")
@Override
public void remove(final IPeerNode peerNode) {
Assert.isNotNull(peerNode);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
Map<String, IPeerNode> peerNodes = (Map<String, IPeerNode>)getPeerModel().getAdapter(Map.class);
Assert.isNotNull(peerNodes);
peerNodes.remove(peerNode.getPeerId());
final IPeerModelListener[] listeners = getPeerModel().getListener();
if (listeners.length > 0) {
Protocol.invokeLater(new Runnable() {
@Override
public void run() {
for (IPeerModelListener listener : listeners) {
listener.modelChanged(getPeerModel(), peerNode, false);
}
}
});
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.services.ILocatorModelUpdateService#updatePeerServices(org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.IPeerModel, java.util.Collection, java.util.Collection)
*/
@Override
public void updatePeerServices(IPeerNode peerNode, Collection<String> localServices, Collection<String> remoteServices) {
Assert.isNotNull(peerNode);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
peerNode.setProperty(IPeerNodeProperties.PROP_LOCAL_SERVICES, localServices != null ? makeString(localServices) : null);
peerNode.setProperty(IPeerNodeProperties.PROP_REMOTE_SERVICES, remoteServices != null ? makeString(remoteServices) : null);
}
/**
* Transform the given collection into a plain string.
*
* @param collection The collection. Must not be <code>null</code>.
* @return The plain string.
*/
protected String makeString(Collection<String> collection) {
Assert.isNotNull(collection);
if (collection.isEmpty()) return null;
String buffer = collection.toString();
buffer = buffer.replaceAll("\\[", "").replaceAll("\\]", ""); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
return buffer.trim();
}
}
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