/*******************************************************************************
* Copyright (c) 2007, 2009 Wind River 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.ui.viewmodel.update;
import java.util.Map;
import org.eclipse.jface.viewers.TreePath;
/**
* An "automatic" update policy which causes the view model provider cache to
* be flushed whenever an event causes a delta to be generated in the given
* model.
*
* @since 1.0
*/
public class AutomaticUpdatePolicy implements IVMUpdatePolicy {
public static String AUTOMATIC_UPDATE_POLICY_ID = "org.eclipse.cdt.dsf.ui.viewmodel.update.defaultUpdatePolicy"; //$NON-NLS-1$
public static IElementUpdateTester fgUpdateTester = new IElementUpdateTester() {
public int getUpdateFlags(Object viewerInput, TreePath path) {
return FLUSH | ARCHIVE;
}
public boolean includes(IElementUpdateTester tester) {
return tester.equals(this);
}
@Override
public String toString() {
return "Automatic update tester"; //$NON-NLS-1$
}
};
public String getID() {
return AUTOMATIC_UPDATE_POLICY_ID;
}
public String getName() {
return ViewModelUpdateMessages.AutomaticUpdatePolicy_name;
}
public IElementUpdateTester getElementUpdateTester(Object event) {
return fgUpdateTester;
}
public Object[] getInitialRootElementChildren(Object rootElement) {
return null;
}
public Map<String, Object> getInitialRootElementProperties(Object rootElement) {
return null;
}
}