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/*******************************************************************************
* Copyright (c) 2011 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.internal.adapters;
import java.io.IOException;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.Assert;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable;
import org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistableNodeProperties;
import org.eclipse.tcf.te.tcf.locator.activator.CoreBundleActivator;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
/**
* Persistable implementation handling peer attributes.
*/
public class PeerModelPersistableAdapter implements IPersistable {
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#getStorageID()
*/
@Override
public String getStorageID() {
return "org.eclipse.tcf.te.tcf.locator.persistence"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#getURI(java.lang.Object)
*/
@Override
public URI getURI(final Object data) {
Assert.isNotNull(data);
URI uri = null;
// Only peer model objects are supported
if (data instanceof IPeerModel) {
// Get the URI the peer model has been created from
final AtomicReference<URI> nodeURI = new AtomicReference<URI>();
Runnable runnable = new Runnable() {
@Override
public void run() {
String value = ((IPeerModel)data).getPeer().getAttributes().get(IPersistableNodeProperties.PROPERTY_URI);
if (value != null && !"".equals(value.trim())) { //$NON-NLS-1$
nodeURI.set(URI.create(value.trim()));
}
}
};
if (Protocol.isDispatchThread()) runnable.run();
else Protocol.invokeAndWait(runnable);
if (nodeURI.get() != null) uri = nodeURI.get();
}
return uri;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#getInterfaceType(java.lang.Object)
*/
@Override
public String getInterfaceTypeName(Object data) {
if (data instanceof IPeerModel) {
return CoreBundleActivator.getUniqueIdentifier() + ":" + IPeerModel.class.getName(); //$NON-NLS-1$
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#exportFrom(java.lang.Object)
*/
@Override
public Map<String, Object> exportFrom(final Object data) throws IOException {
Assert.isNotNull(data);
final AtomicReference<Map<String, String>> attributes = new AtomicReference<Map<String, String>>();
// Only peer model objects are supported
if (data instanceof IPeerModel) {
Runnable runnable = new Runnable() {
@Override
public void run() {
attributes.set(((IPeerModel)data).getPeer().getAttributes());
}
};
if (Protocol.isDispatchThread()) runnable.run();
else Protocol.invokeAndWait(runnable);
}
Map<String, Object> result = null;
if (attributes.get() != null) {
result = new HashMap<String, Object>();
for (String key : attributes.get().keySet()) {
if (!key.endsWith(".transient")) { //$NON-NLS-1$
result.put(key, attributes.get().get(key));
}
}
}
return result;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.persistence.interfaces.IPersistable#importTo(java.lang.Object, java.util.Map)
*/
@Override
public void importTo(final Object data, final Map<String, Object> external) throws IOException {
Assert.isNotNull(data);
Assert.isNotNull(external);
// A direct import of the attributes in a peer is not possible.
// A new peer with the new attributes needs to be created and set to the peer model.
}
}
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