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/*******************************************************************************
* Copyright (c) 2000, 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.core.internal.registry;
import java.util.*;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionDelta;
/**
* The extension deltas are grouped by namespace. There is one registry delta by namespace.
*/
public class RegistryDelta {
private final Set<IExtensionDelta> extensionDeltas = new HashSet<>(); //the extension deltas (each element indicate the type of the delta)
private IObjectManager objectManager; //The object manager from which all the objects contained in the deltas will be found.
RegistryDelta() {
//Nothing to do
}
public int getExtensionDeltasCount() {
return extensionDeltas.size();
}
public IExtensionDelta[] getExtensionDeltas() {
return extensionDeltas.toArray(new ExtensionDelta[extensionDeltas.size()]);
}
public IExtensionDelta[] getExtensionDeltas(String extensionPoint) {
Collection<IExtensionDelta> selectedExtDeltas = new LinkedList<>();
for (Iterator<IExtensionDelta> extDeltasIter = extensionDeltas.iterator(); extDeltasIter.hasNext();) {
IExtensionDelta extensionDelta = extDeltasIter.next();
if (extensionDelta.getExtension().getExtensionPointUniqueIdentifier().equals(extensionPoint))
selectedExtDeltas.add(extensionDelta);
}
return selectedExtDeltas.toArray(new IExtensionDelta[selectedExtDeltas.size()]);
}
/**
* @param extensionPointId
* @param extensionId must not be null
*/
public IExtensionDelta getExtensionDelta(String extensionPointId, String extensionId) {
for (Iterator<IExtensionDelta> extDeltasIter = extensionDeltas.iterator(); extDeltasIter.hasNext();) {
IExtensionDelta extensionDelta = extDeltasIter.next();
IExtension extension = extensionDelta.getExtension();
if (extension.getExtensionPointUniqueIdentifier().equals(extensionPointId) && extension.getUniqueIdentifier() != null && extension.getUniqueIdentifier().equals(extensionId))
return extensionDelta;
}
return null;
}
void addExtensionDelta(IExtensionDelta extensionDelta) {
this.extensionDeltas.add(extensionDelta);
((ExtensionDelta) extensionDelta).setContainingDelta(this);
}
@Override
public String toString() {
return "\n\tHost " + ": " + extensionDeltas; //$NON-NLS-1$//$NON-NLS-2$
}
void setObjectManager(IObjectManager objectManager) {
this.objectManager = objectManager;
//TODO May want to add into the existing one here... if it is possible to have batching
}
public IObjectManager getObjectManager() {
return objectManager;
}
}
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