    001// Licensed under the Apache License, Version 2.0 (the "License");
    002// you may not use this file except in compliance with the License.
    003// You may obtain a copy of the License at
    004//
    005// http://www.apache.org/licenses/LICENSE-2.0
    006//
    007// Unless required by applicable law or agreed to in writing, software
    008// distributed under the License is distributed on an "AS IS" BASIS,
    009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    010// See the License for the specific language governing permissions and
    011// limitations under the License.
    012
    013package org.apache.tapestry5.services.transform;
    014
    015import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration;
    016import org.apache.tapestry5.ioc.services.ChainBuilder;
    017import org.apache.tapestry5.model.MutableComponentModel;
    018import org.apache.tapestry5.plastic.PlasticClass;
    019
    020/**
    021 * Interface for a set of objects that can perform transformation of component classes. Implementations should
    022 * be thread safe and ideally stateless (all necessary state can be stored inside the {@link PlasticClass}).
    023 *
    024 * The ComponentClassTransformWorker service uses an ordered configuration of these works as a {@linkplain ChainBuilder
    025 * chain of command}.
    026 *
    027 * @see PlasticClass
    028 * @since 5.3
    029 */
    030@UsesOrderedConfiguration(ComponentClassTransformWorker2.class)
    031public interface ComponentClassTransformWorker2
    032{
    033    /**
    034     * Invoked to perform part of the transformation of the {@link PlasticClass}.
    035     *
    036     * @param plasticClass component class being transformed
    037     * @param support      additional utilities needed during the transformation
    038     * @param model        the model for the component being transformed
    039     */
    040    void transform(PlasticClass plasticClass, TransformationSupport support, MutableComponentModel model);
    041}