/*******************************************************************************
 * Copyright (c) 2005, 2006 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.commands;

/**
 * An instance of this interface can be used by clients to receive notification
 * of changes to one or more instances of {@link ParameterType}.
 * <p>
 * This interface may be implemented by clients.
 * </p>
 * 
 * @since 3.2
 * @see ParameterType#addListener(IParameterTypeListener)
 * @see ParameterType#removeListener(IParameterTypeListener)
 */
public interface IParameterTypeListener {

	/**
	 * Notifies that one or more properties of an instance of
	 * {@link ParameterType} have changed. Specific details are described in the
	 * {@link ParameterTypeEvent}.
	 * 
	 * @param parameterTypeEvent
	 *            the event. Guaranteed not to be <code>null</code>.
	 */
	void parameterTypeChanged(ParameterTypeEvent parameterTypeEvent);

}