/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.wicket.model;
/**
* Models that implement this interface will support chaining of IModels. getObject() of a
* IChainingModel should do something like:
*
* <pre>
* if ( object instanceof IModel) { return ((IModel)object).getObject()}
* else return object;
* </pre>
*
* ChainingModels should also take care that the internal model detach is called when detach is
* called on them.
*
* @author jcompagner
* @author Igor Vaynberg (ivaynberg)
*
* @param <T>
* The Model object type
*
* @see CompoundPropertyModel
* @see AbstractPropertyModel
* @deprecated This class is not used by the framework anymore. Will be removed in Wicket 9.0.0
*/
@Deprecated
public interface IChainingModel<T> extends IModel<T>
{
/**
* Sets the model that is chained inside this model.
*
* @param model
*/
void setChainedModel(IModel<?> model);
/**
* Returns the chained model if there is a chained model.
*
* @return The chained model
*/
IModel<?> getChainedModel();
}