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/*******************************************************************************
* Copyright (c) 2008, 2009 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.provisional.p2.metadata;
/**
* @noimplement This interface is not intended to be implemented by clients.
* @noextend This interface is not intended to be extended by clients.
*/
public interface IUpdateDescriptor {
public final int NORMAL = 0;
public final int HIGH = 1;
/**
* The identifier of an installable unit that the installable unit containing this object is an update for.
* @return An installable unit id
*/
public String getId();
/**
* The range of the installable unit that the installable unit containing this object is an update for.
* @return A version range
*/
public VersionRange getRange();
/**
* The description of the update. This allows to explain what the update is about.
* @return A description
*/
public String getDescription();
/**
* The importance of the update descriptor represented as a int.
* @return The severity.
*/
public int getSeverity();
/**
* Helper method indicating whether or not an installable unit is an update for the installable unit passed
* @param iu the installable unit checked
* @return A boolean indicating whether or not an installable unit is an update.
*/
public boolean isUpdateOf(IInstallableUnit iu);
}
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