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/*******************************************************************************
* Copyright (c) 2003, 2008 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.core.runtime;
/**
* An extension delta represents changes to the extension registry.
* <p>
* This interface can be used without OSGi running.
* </p><p>
* This interface is not intended to be implemented by clients.
* </p>
* @since 3.0
* @noimplement This interface is not intended to be implemented by clients.
*/
public interface IExtensionDelta {
/**
* Delta kind constant indicating that an extension has been added to an
* extension point.
* @see IExtensionDelta#getKind()
*/
public int ADDED = 1;
/**
* Delta kind constant indicating that an extension has been removed from an
* extension point.
* @see IExtensionDelta#getKind()
*/
public int REMOVED = 2;
/**
* The kind of this extension delta.
*
* @return the kind of change this delta represents
* @see #ADDED
* @see #REMOVED
*/
public int getKind();
/**
* Returns the affected extension.
*
* @return the affected extension
*/
public IExtension getExtension();
/**
* Returns the affected extension point.
*
* @return the affected extension point
*/
public IExtensionPoint getExtensionPoint();
}
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