    001    /*
    002     * Licensed to the Apache Software Foundation (ASF) under one or more
    003     * contributor license agreements.  See the NOTICE file distributed with
    004     * this work for additional information regarding copyright ownership.
    005     * The ASF licenses this file to You under the Apache License, Version 2.0
    006     * (the "License"); you may not use this file except in compliance with
    007     * the License.  You may obtain a copy of the License at
    008     *
    009     *     http://www.apache.org/licenses/LICENSE-2.0
    010     *
    011     * Unless required by applicable law or agreed to in writing, software
    012     * distributed under the License is distributed on an "AS IS" BASIS,
    013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014     * See the License for the specific language governing permissions and
    015     * limitations under the License.
    016     */
    017    package org.apache.commons.jxpath;
    018
    019    import java.io.Serializable;
    020
    021    /**
    022     * A Container is an object implementing an indirection
    023     * mechanism transparent to JXPath.  For example, if property
    024     * "foo" of the context node has a Container as its value,
    025     * the XPath "foo" will produce the contents of that Container,
    026     * rather than the container itself.
    027     *
    028     * @author Dmitri Plotnikov
    029     * @version $Revision: 652925 $ $Date: 2008-05-02 17:05:41 -0500 (Fri, 02 May 2008) $
    030     */
    031    public interface Container extends Serializable {
    032
    033        /**
    034         * Returns the contained value.
    035         * @return Object value
    036         */
    037        Object getValue();
    038
    039        /**
    040         * Modifies the value contained by this container.  May throw
    041         * UnsupportedOperationException.
    042         * @param value Object value to set.
    043         */
    044        void setValue(Object value);
    045    }