/*******************************************************************************
* Copyright (c) 2007 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.databinding.conformance.delegate;
import org.eclipse.core.databinding.observable.IObservableCollection;
import org.eclipse.core.databinding.observable.Realm;
/**
* Delegate interface for an IObservableCollection.
*
* <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 IObservableCollectionContractDelegate extends
IObservableContractDelegate {
/**
* Creates a new observable collection with the provided
* <code>elementCount</code>.
*
* @param realm realm of the collection
* @param elementCount
* number of elements to initialize the collection with
*
* @return new observable collection
*/
public IObservableCollection createObservableCollection(Realm realm, int elementCount);
/**
* Creates a new element of the appropriate type for the provided
* <code>collection</code>. This element will be employed to assert the
* addition and removal of elements in the collection.
*
* @param collection
* @return valid element for the collection
*/
public Object createElement(IObservableCollection collection);
/**
* Returns the expected type of the elements in the collection.
*
* @param collection
* @return element type
*/
public Object getElementType(IObservableCollection collection);
}