/*******************************************************************************
* Copyright (c) 2000, 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
*******************************************************************************/
package org.eclipse.jdt.internal.core.search;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.search.*;
import org.eclipse.jdt.internal.compiler.util.SimpleSet;
import org.eclipse.jdt.internal.core.index.Index;
public class SubTypeSearchJob extends PatternSearchJob {
SimpleSet indexes = new SimpleSet(5);
public SubTypeSearchJob(SearchPattern pattern, SearchParticipant participant, IJavaSearchScope scope, IndexQueryRequestor requestor) {
super(pattern, participant, scope, requestor);
}
public void finished() {
Object[] values = this.indexes.values;
for (int i = 0, l = values.length; i < l; i++)
if (values[i] != null)
((Index) values[i]).stopQuery();
}
public Index[] getIndexes(IProgressMonitor progressMonitor) {
if (this.indexes.elementSize == 0) {
return super.getIndexes(progressMonitor);
}
this.areIndexesReady = true; // use stored indexes until the job's end
Index[] values = new Index[this.indexes.elementSize];
this.indexes.asArray(values);
return values;
}
public boolean search(Index index, IProgressMonitor progressMonitor) {
if (index == null) return COMPLETE;
if (this.indexes.addIfNotIncluded(index) == index)
index.startQuery();
return super.search(index, progressMonitor);
}
}