http://www.eclipse.org/platform: Commands (Eclipse Foundation) 
Copyright (c) 2005, 2015 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) 2005, 2015 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.commands.operations;



This interface is used to listen to notifications from an IOperationHistory.
The supplied OperationHistoryEvent describes the particular notification.




Operation history listeners must be prepared to receive notifications from a
background thread. Any UI access occurring inside the implementation must be
properly synchronized using the techniques specified by the client's widget
library.



Since:3.1
/**
 * <p>
 * This interface is used to listen to notifications from an IOperationHistory.
 * The supplied OperationHistoryEvent describes the particular notification.
 * </p>
 * <p>
 * Operation history listeners must be prepared to receive notifications from a
 * background thread. Any UI access occurring inside the implementation must be
 * properly synchronized using the techniques specified by the client's widget
 * library.
 * </p>
 *
 * @since 3.1
 */
public interface IOperationHistoryListener {
	
Something of note has happened in the IOperationHistory. Listeners should
check the supplied event for details.

Params:
  • event – 
           the OperationHistoryEvent that describes the particular
           notification.
/**
	 * Something of note has happened in the IOperationHistory. Listeners should
	 * check the supplied event for details.
	 *
	 * @param event
	 *            the OperationHistoryEvent that describes the particular
	 *            notification.
	 */
	void historyNotification(OperationHistoryEvent event);

}