001    // Copyright 2011 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    // http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.plastic;
016    
017    /**
018     * A callback for generating code where a local variable is in effect.
019     */
020    public interface LocalVariableCallback
021    {
022        /**
023         * Callback to generate code with a local variable
024         * 
025         * @param variable
026         *            the variable that is available within the block
027         * @param builder
028         *            builder the block where the variable is active
029         */
030        void doBuild(LocalVariable variable, InstructionBuilder builder);
031    }