/*******************************************************************************
* Copyright (c) 2007 Brad Reynolds 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:
* Brad Reynolds - initial API and implementation
******************************************************************************/
package org.eclipse.jface.databinding.conformance.delegate;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.value.IObservableValue;
/**
* Delegate interface for an observable value.
*
* <p>
* This interface is not intended to be implemented by clients. Clients should
* instead subclass one of the classes that implement this interface. Note that
* direct implementers of this interface outside of the framework will be broken
* in future releases when methods are added to this interface.
* </p>
*
* @since 1.1
*/
public interface IObservableValueContractDelegate extends
IObservableContractDelegate {
/**
* Creates a new observable value.
*
* @param realm
* realm of the observable
* @return observable value
*/
public IObservableValue createObservableValue(Realm realm);
/**
* Returns the expected type of the observable.
*
* @param observable
* @return type
*/
public Object getValueType(IObservableValue observable);
/**
* Returns a valid value that is not the current value of the observable.
*
* @param observable
* @return value
*/
public Object createValue(IObservableValue observable);
}