/*
 * Copyright 2005-2010 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.wamblee.wicket.model;

import org.apache.wicket.model.LoadableDetachableModel;
import org.wamblee.persistence.Detachable;

/**
 * A detachable model that wraps a domain object. 
 *
 */
public class DetachableEntity<T> extends LoadableDetachableModel<T> {
	
	private Detachable<T> object;
	
	/**
	 * Constructs the model. 
	 * @param aObject Object to construct the model with. 
	 */
	public DetachableEntity(Detachable<T> aObject) { 
        object = aObject;
	}
	
	@Override
	protected void onDetach() {
	    object.detach();
	}
	
	@Override
	protected T load() {
	    return object.get();
	}
	
	@Override
	public void setObject(T object) {
	    throw new UnsupportedOperationException("setObject is not supported on this class");
	}

}