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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.search.indexing;
import java.io.IOException;
import org.eclipse.cdt.core.ICLogConstants;
import org.eclipse.cdt.internal.core.index.IIndex;
import org.eclipse.cdt.internal.core.search.processing.JobManager;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
public abstract class AddFileToIndex extends IndexRequest {
IFile resource;
public AddFileToIndex(IFile resource, IPath indexPath, IndexManager manager) {
super(indexPath, manager);
this.resource = resource;
}
public boolean execute(IProgressMonitor progressMonitor) {
if (progressMonitor != null && progressMonitor.isCanceled()) return true;
/* ensure no concurrent write access to index */
IIndex index = manager.getIndex(this.indexPath, true, /*reuse index file*/ true /*create if none*/);
if (index == null) return true;
ReadWriteMonitor monitor = manager.getMonitorFor(index);
if (monitor == null) return true; // index got deleted since acquired
try {
monitor.enterWrite(); // ask permission to write
if (!indexDocument(index)) return false;
} catch (IOException e) {
org.eclipse.cdt.internal.core.model.Util.log(null, "Index I/O Exception: " + e.getMessage() + " on File: " + resource.getName(), ICLogConstants.CDT);
if (IndexManager.VERBOSE) {
JobManager.verbose("-> failed to index " + this.resource + " because of the following exception:"); //$NON-NLS-1$ //$NON-NLS-2$
e.printStackTrace();
}
return false;
} finally {
monitor.exitWrite(); // free write lock
}
return true;
}
protected abstract boolean indexDocument(IIndex index) throws IOException;
public String toString() {
return "indexing " + this.resource.getFullPath(); //$NON-NLS-1$
}
}
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