001// Copyright 2006, 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; 016 017import org.apache.tapestry5.model.MutableComponentModel; 018import org.apache.tapestry5.services.transform.ComponentClassTransformWorker2; 019 020/** 021 * Interface for a set of objects that can perform component class transformations. Implementations should be 022 * multithreaded, ideally they should be stateless (all necessary state can be stored in the 023 * {@link org.apache.tapestry5.services.ClassTransformation}). 024 * 025 * @deprecated Deprecated in Tapestry 5.3; use {@link ComponentClassTransformWorker2} 026 */ 027public interface ComponentClassTransformWorker 028{ 029 /** 030 * Invoked to perform a transformation on an as-yet unloaded component class, represented by the 031 * {@link ClassTransformation} instance. In some cases, the worker may make changes to the component model -- for 032 * example, 033 * a worker that deals with parameters may update the model to reflect those parameters. 034 */ 035 void transform(ClassTransformation transformation, MutableComponentModel model); 036}