/*******************************************************************************
* Copyright (c) 2010, 2015 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 - Initial API and implementation
*******************************************************************************/
package org.eclipse.ocl.pivot.utilities;
/**
* Interface implemented by the options that can be applied to {@link Customizable}
* entities such as OCL environments.
*
* @param <T> the type of the option's value
*
* @author Christian W. Damus (cdamus)
*
* @see Customizable
*/
public interface Option<T> {
/**
* Obtains my string key, which may be used for persistence in a
* preference store.
*
* @return my key. Is never <code>null</code>
*/
String getKey();
/**
* Obtains the option's default value.
*
* @return my default value, which default-default is <code>null</code>
*/
T getDefaultValue();
}