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 015package org.apache.tapestry5.services.transform; 016 017import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration; 018import org.apache.tapestry5.ioc.services.ChainBuilder; 019import org.apache.tapestry5.model.MutableComponentModel; 020import org.apache.tapestry5.plastic.PlasticClass; 021 022/** 023 * Interface for a set of objects that can perform transformation of component classes. Implementations should 024 * be thread safe and ideally stateless (all necessary state can be stored inside the {@link PlasticClass}). 025 * <p/> 026 * The ComponentClassTransformWorker service uses an ordered configuration of these works as a {@linkplain ChainBuilder 027 * chain of command}. 028 * 029 * @see PlasticClass 030 * @since 5.3 031 */ 032@UsesOrderedConfiguration(ComponentClassTransformWorker2.class) 033public interface ComponentClassTransformWorker2 034{ 035 /** 036 * Invoked to perform part of the transformation of the {@link PlasticClass}. 037 * 038 * @param plasticClass component class being transformed 039 * @param support additional utilities needed during the transformation 040 * @param model the model for the component being transformed 041 */ 042 void transform(PlasticClass plasticClass, TransformationSupport support, MutableComponentModel model); 043}