/*******************************************************************************
* Copyright (c) 2004, 2005 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.jface.bindings;
/**
* <p>
* The abstract class for any object that can be used as a trigger for a binding.
* This ensures that trigger conform to certain minimum requirements. Namely, triggers
* need to be hashable.
* </p>
*
* @since 1.4
*/
public abstract class Trigger implements Comparable {
/**
* Tests whether this object is equal to another object. A handle object is
* only equal to another trigger with the same properties.
*
* @param object
* The object with which to compare; may be <code>null</code>.
* @return <code>true</code> if the objects are equal; <code>false</code>
* otherwise.
*/
public abstract boolean equals(final Object object);
/**
* Computes the hash code for this object.
*
* @return The hash code for this object.
*/
public abstract int hashCode();
}