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/*******************************************************************************
* Copyright (c) 2011, 2013 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.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.tcf.protocol.IPeer;
import org.eclipse.tcf.protocol.Protocol;
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.services.IPeerModelLookupService;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelQueryService;
/**
* Default locator model lookup service implementation.
*/
public class PeerModelLookupService extends AbstractPeerModelService implements IPeerModelLookupService {
/**
* Constructor.
*
* @param parentModel The parent locator model instance. Must not be <code>null</code>.
*/
public PeerModelLookupService(IPeerModel parentModel) {
super(parentModel);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.services.ILocatorModelLookupService#lkupPeerModelById(java.lang.String)
*/
@Override
public IPeerNode lkupPeerModelById(String id) {
Assert.isNotNull(id);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
IPeerNode node = null;
for (IPeerNode candidate : getPeerModel().getPeers()) {
IPeer peer = candidate.getPeer();
if (id.equals(peer.getID())) {
node = candidate;
break;
} else if (peer.getAttributes().get("remote.id.transient") != null //$NON-NLS-1$
&& peer.getAttributes().get("remote.id.transient").equals(id)) { //$NON-NLS-1$
node = candidate;
break;
}
}
return node;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService#lkupPeerModelById(java.lang.String, java.lang.String)
*/
@Override
public IPeerNode lkupPeerModelById(String parentId, String id) {
Assert.isNotNull(parentId);
Assert.isNotNull(id);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
IPeerNode node = null;
for (IPeerNode candidate : getPeerModel().getChildren(parentId)) {
IPeer peer = candidate.getPeer();
if (id.equals(peer.getID())) {
node = candidate;
break;
} else if (peer.getAttributes().get("remote.id.transient") != null //$NON-NLS-1$
&& peer.getAttributes().get("remote.id.transient").equals(id)) { //$NON-NLS-1$
node = candidate;
break;
}
}
return node;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService#lkupPeerModelByAgentId(java.lang.String)
*/
@Override
public IPeerNode[] lkupPeerModelByAgentId(String agentId) {
Assert.isNotNull(agentId);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
List<IPeerNode> nodes = new ArrayList<IPeerNode>();
for (IPeerNode candidate : getPeerModel().getPeers()) {
IPeer peer = candidate.getPeer();
if (agentId.equals(peer.getAgentID())) {
nodes.add(candidate);
}
}
return nodes.toArray(new IPeerNode[nodes.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService#lkupPeerModelByAgentId(java.lang.String, java.lang.String)
*/
@Override
public IPeerNode[] lkupPeerModelByAgentId(String parentId, String agentId) {
Assert.isNotNull(parentId);
Assert.isNotNull(agentId);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
List<IPeerNode> nodes = new ArrayList<IPeerNode>();
for (IPeerNode candidate : getPeerModel().getChildren(parentId)) {
IPeer peer = candidate.getPeer();
if (agentId.equals(peer.getAgentID())) {
nodes.add(candidate);
}
}
return nodes.toArray(new IPeerNode[nodes.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService#lkupPeerModelByName(java.lang.String)
*/
@Override
public IPeerNode[] lkupPeerModelByName(String name) {
Assert.isNotNull(name);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
List<IPeerNode> nodes = new ArrayList<IPeerNode>();
for (IPeerNode candidate : getPeerModel().getPeers()) {
IPeer peer = candidate.getPeer();
if (name.equals(peer.getName())) {
nodes.add(candidate);
}
}
return nodes.toArray(new IPeerNode[nodes.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService#lkupPeerModelBySupportedServices(java.lang.String[], java.lang.String[])
*/
@Override
public IPeerNode[] lkupPeerModelBySupportedServices(String[] expectedLocalServices, String[] expectedRemoteServices) {
Assert.isTrue(!Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
IPeerModel model = getPeerModel();
IPeerModelQueryService queryService = model.getService(IPeerModelQueryService.class);
List<IPeerNode> nodes = new ArrayList<IPeerNode>();
for (IPeerNode candidate : model.getPeers()) {
String services = queryService.queryLocalServices(candidate);
boolean matchesExpectations = true;
// Ignore the local services if no expectations are set
if (expectedLocalServices != null && expectedLocalServices.length > 0) {
if (services != null) {
for (String service : expectedLocalServices) {
if (!services.contains(service)) {
matchesExpectations = false;
break;
}
}
} else {
matchesExpectations = false;
}
}
if (!matchesExpectations) continue;
services = queryService.queryRemoteServices(candidate);
// Ignore the remote services if no expectations are set
if (expectedRemoteServices != null && expectedRemoteServices.length > 0) {
if (services != null) {
for (String service : expectedRemoteServices) {
if (!services.contains(service)) {
matchesExpectations = false;
break;
}
}
} else {
matchesExpectations = false;
}
}
if (matchesExpectations) nodes.add(candidate);
}
return nodes.toArray(new IPeerNode[nodes.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService#lkupMatchingStaticPeerModels(org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode)
*/
@Override
public IPeerNode[] lkupMatchingStaticPeerModels(IPeerNode peerNode) {
Assert.isNotNull(peerNode);
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
return lkupMatchingStaticPeerModels(peerNode.getPeer());
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService#lkupMatchingStaticPeerModels(org.eclipse.tcf.protocol.IPeer)
*/
@Override
public IPeerNode[] lkupMatchingStaticPeerModels(IPeer peer) {
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
List<IPeerNode> nodes = new ArrayList<IPeerNode>();
if (peer != null) {
for (IPeerNode candidate : getPeerModel().getPeers()) {
// If the agent id is available, match up the agent id first.
if (candidate.getPeer().getAgentID() != null && candidate.getPeer().getAgentID().equals(peer.getAgentID())) {
nodes.add(candidate);
continue;
}
// Get the transport types. Transport type must match and must be either "TCP" or "SSL".
String t1 = peer.getTransportName();
String t2 = candidate.getPeer().getTransportName();
if (t1 != null && t1.equals(t2) && ("TCP".equals(t1) || "SSL".equals(t1))) { //$NON-NLS-1$ //$NON-NLS-2$
// Compare IP and Port. If they match, add the candidate to the result list
String i1 = peer.getAttributes().get(IPeer.ATTR_IP_HOST);
String i2 = candidate.getPeer().getAttributes().get(IPeer.ATTR_IP_HOST);
if (i1 != null && i1.equals(i2)) {
String p1 = peer.getAttributes().get(IPeer.ATTR_IP_PORT);
String p2 = candidate.getPeer().getAttributes().get(IPeer.ATTR_IP_PORT);
if (p1 != null && p1.equals(p2)) {
nodes.add(candidate);
}
}
}
}
}
return nodes.toArray(new IPeerNode[nodes.size()]);
}
}
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