    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.internal.dynamic;
    016
    017import org.apache.tapestry5.MarkupWriter;
    018import org.apache.tapestry5.runtime.RenderCommand;
    019import org.apache.tapestry5.runtime.RenderQueue;
    020import org.apache.tapestry5.services.dynamic.DynamicDelegate;
    021import org.apache.tapestry5.services.dynamic.DynamicTemplate;
    022
    023/**
    024 * A close cousin to {@link RenderCommand} used inside a {@link DynamicTemplate}.
    025 *
    026 * @since 5.3
    027 */
    028public interface DynamicTemplateElement
    029{
    030    /**
    031     * The element should perform whatever rendering it wants. When rendering elements, the queue
    032     * is used to queue up rendering commands for the body of the element as well as a command to close
    033     * the element started.
    034     */
    035    void render(MarkupWriter writer, RenderQueue queue, DynamicDelegate delegate);
    036}