/***************************************************************** * 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.cayenne.reflect; import java.io.Serializable; /** * An accessor of a property value. Abstracts the actual property implementation. E.g. it * can be a Field, a pair of get/set methods or a map/DataObject. * * @since 3.0 */ public interface Accessor extends Serializable { /** * Returns property name. */ String getName(); /** * Returns a property value of an object without disturbing the object fault status. */ Object getValue(Object object) throws PropertyException; /** * Sets a property value of an object without disturbing the object fault status. Old * value of the property is specified as a hint. */ void setValue(Object object, Object newValue) throws PropertyException; }