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/*******************************************************************************
* Copyright (c) 2008 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Cloudsmith Inc. - query indexes
*******************************************************************************/
package org.eclipse.equinox.internal.p2.director;
import java.util.Iterator;
import java.util.List;
import org.eclipse.equinox.internal.p2.core.helpers.CollectionUtils;
import org.eclipse.equinox.internal.p2.metadata.InstallableUnit;
import org.eclipse.equinox.internal.p2.metadata.TranslationSupport;
import org.eclipse.equinox.internal.p2.metadata.index.CapabilityIndex;
import org.eclipse.equinox.internal.p2.metadata.index.IndexProvider;
import org.eclipse.equinox.p2.metadata.IInstallableUnit;
import org.eclipse.equinox.p2.metadata.KeyWithLocale;
import org.eclipse.equinox.p2.metadata.index.IIndex;
public class QueryableArray extends IndexProvider<IInstallableUnit> {
private final List<IInstallableUnit> dataSet;
private IIndex<IInstallableUnit> capabilityIndex;
private TranslationSupport translationSupport;
public QueryableArray(IInstallableUnit[] ius) {
dataSet = CollectionUtils.unmodifiableList(ius);
}
public Iterator<IInstallableUnit> everything() {
return dataSet.iterator();
}
public synchronized IIndex<IInstallableUnit> getIndex(String memberName) {
if (InstallableUnit.MEMBER_PROVIDED_CAPABILITIES.equals(memberName)) {
if (capabilityIndex == null)
capabilityIndex = new CapabilityIndex(dataSet.iterator());
return capabilityIndex;
}
return null;
}
public synchronized Object getManagedProperty(Object client, String memberName, Object key) {
if (!(client instanceof IInstallableUnit))
return null;
IInstallableUnit iu = (IInstallableUnit) client;
if (InstallableUnit.MEMBER_TRANSLATED_PROPERTIES.equals(memberName)) {
if (translationSupport == null)
translationSupport = new TranslationSupport(this);
return key instanceof KeyWithLocale ? translationSupport.getIUProperty(iu, (KeyWithLocale) key) : translationSupport.getIUProperty(iu, key.toString());
}
return null;
}
}
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