    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
    015    package org.apache.tapestry5.services;
    016
    017    import org.apache.tapestry5.model.MutableComponentModel;
    018    import 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     */
    027    public 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    }