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/*******************************************************************************
* Copyright (c) 2007 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.equinox.internal.p2.engine;
import java.util.Map;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.equinox.internal.provisional.p2.engine.ProvisioningAction;
import org.eclipse.equinox.internal.provisional.p2.engine.Touchpoint;
import org.eclipse.equinox.internal.provisional.p2.metadata.TouchpointType;
/**
* A touchpoint that performs no processing.
*/
public class NullTouchpoint extends Touchpoint {
public static final Touchpoint INSTANCE = new NullTouchpoint();
/**
* Public constructor only intended to be called by extension registry.
*/
public NullTouchpoint() {
super();
}
public TouchpointType getTouchpointType() {
return TouchpointType.NONE;
}
public boolean supports(String phaseId) {
if (phaseId.equals("install") || phaseId.equals("uninstall")) //$NON-NLS-1$ //$NON-NLS-2$
return true;
return false;
}
public ProvisioningAction getAction(String actionId) {
return new ProvisioningAction() {
public IStatus execute(Map parameters) {
return Status.OK_STATUS;
}
public IStatus undo(Map parameters) {
return Status.OK_STATUS;
}
};
}
}
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