http://www.eclipse.org/platform: Extension Registry Support (Eclipse Foundation) 
Copyright (c) 2004, 2006 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation

/*******************************************************************************
 * Copyright (c) 2004, 2006 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.core.runtime.dynamichelpers;

import org.eclipse.core.runtime.IExtension;


Extension change handlers are notified of changes for a given extension
point in the context of an extension tracker.


This interface can be used without OSGi running.


This interface is intended to be implemented by clients.



Since:3.1
/**
 * Extension change handlers are notified of changes for a given extension
 * point in the context of an extension tracker.
 * <p>
 * This interface can be used without OSGi running.
 * </p><p>
 * This interface is intended to be implemented by clients.
 * </p>
 * @since 3.1
 */
public interface IExtensionChangeHandler {

	
This method is called whenever an extension conforming to the extension point filter
is being added to the registry. This method does not automatically register objects
to the tracker.

Params:
  • tracker – a tracker to which the handler has been registered
  • extension – the extension being added
/**
	 * This method is called whenever an extension conforming to the extension point filter
	 * is being added to the registry. This method does not automatically register objects
	 * to the tracker.
	 *
	 * @param tracker a tracker to which the handler has been registered
	 * @param extension the extension being added
	 */
	public void addExtension(IExtensionTracker tracker, IExtension extension);

	
This method is called after the removal of an extension.

Params:
  • extension – the extension being removed
  • objects – the objects that were associated with the removed extension
/**
	 * This method is called after the removal of an extension.
	 *
	 * @param extension the extension being removed
	 * @param objects the objects that were associated with the removed extension
	 */
	public void removeExtension(IExtension extension, Object[] objects);
}