/*******************************************************************************
 * Copyright (c) 2006, 2009 QNX Software Systems 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:
 *     QNX - Initial API and implementation
 *     Markus Schorn (Wind River Systems)
 *     Sergey Prigogin (Google)
 *******************************************************************************/

package org.eclipse.cdt.internal.ui.indexview;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;

import org.eclipse.cdt.core.index.IIndex;
import org.eclipse.cdt.core.index.IIndexBinding;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.ui.CUIPlugin;

import org.eclipse.cdt.internal.core.CCoreInternals;

import org.eclipse.cdt.internal.ui.search.CSearchQuery;

/**
 * @author Doug Schaefer
 * 
 * This is the search query to be used for searching the PDOM.
 */
public class IndexViewSearchQuery extends CSearchQuery {

	private IIndexBinding fBinding;
	private long fLastWrite;
	private String fName;
	private ICProject fProject;
	
	public IndexViewSearchQuery(ICElement[] scope, ICProject project, long pdomLastWrite, IIndexBinding binding, String name, int flags) {
		super(scope, flags);
		fProject= project;
		fBinding = binding;
		fLastWrite= pdomLastWrite;
		fName= name;
	}
	
	@Override
	public IStatus runWithIndex(IIndex index, IProgressMonitor monitor) throws OperationCanceledException {
		try {
			if (CCoreInternals.getPDOMManager().getPDOM(fProject).getLastWriteAccess() == fLastWrite) {
				createMatches(index, fBinding);
			}
			return Status.OK_STATUS;
		} catch (CoreException e) {
			return new Status(IStatus.ERROR, CUIPlugin.PLUGIN_ID, 0, e.getLocalizedMessage(), e);
		}
	}

	@Override
	public String getResultLabel(int numMatches) {
		return super.getResultLabel(fName, numMatches);
	}
}
