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/*******************************************************************************
* Copyright (c) 2008 Wind River Systems, Inc. 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:
* Markus Schorn - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.index;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.internal.core.CCoreInternals;
/**
* Abstract base class for indexer setup participants. A participant can delay the
* setup of the indexer when a project is added to the workspace.
*/
public abstract class IndexerSetupParticipant {
/**
* The method will be called before an indexer is set up for a project. If you
* return <code>true</code> the setup will be postponed. You need to call
* {@link #notifyIndexerSetup(ICProject)} as soon as this participant no longer
* needs to block the indexer setup.
* <p>
* This method may be called multiple times for the same project.
* @param project the project for which the indexer is supposed to be initialized.
* @return whether or not to proceed with the indexer setup.
*/
public abstract boolean postponeIndexerSetup(ICProject project);
/**
* Informs the index manager that this participant no longer needs to postpone the
* indexer setup for the given project. Depending on the state of other participants
* this may trigger the indexer setup.
* @param project the project for which the setup no longer needs to be postponed
*/
public void notifyIndexerSetup(ICProject project) {
CCoreInternals.getPDOMManager().notifyIndexerSetup(this, project);
}
}
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