001    package org.apache.commons.ognl.enhance;
002    
003    /*
004     * Licensed to the Apache Software Foundation (ASF) under one
005     * or more contributor license agreements.  See the NOTICE file
006     * distributed with this work for additional information
007     * regarding copyright ownership.  The ASF licenses this file
008     * to you under the Apache License, Version 2.0 (the
009     * "License"); you may not use this file except in compliance
010     * with the License.  You may obtain a copy of the License at
011     *
012     *   http://www.apache.org/licenses/LICENSE-2.0
013     *
014     * Unless required by applicable law or agreed to in writing,
015     * software distributed under the License is distributed on an
016     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017     * KIND, either express or implied.  See the License for the
018     * specific language governing permissions and limitations
019     * under the License.
020     */
021    
022    
023    /**
024     * Marks an ognl expression {@link org.apache.commons.ognl.Node} as needing to have the return portion of a getter
025     * method happen in a specific
026     * part of the generated expression vs just having the whole expression returned in one chunk.
027     */
028    public interface OrderedReturn
029    {
030    
031        /**
032         * Get the core expression to execute first before any return foo logic is started.
033         * 
034         * @return The core standalone expression that shouldn't be pre-pended with a return keyword.
035         */
036        String getCoreExpression();
037    
038        /**
039         * Gets the last expression to be pre-pended with a return <expression> block.
040         * 
041         * @return The expression representing the return portion of a statement;
042         */
043        String getLastExpression();
044    }