    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.plastic;
    016
    017/**
    018 * Used with {@link InstructionBuilder#when(Condition, WhenCallback)}.
    019 */
    020public interface WhenCallback
    021{
    022    /** Generates code for when the condition is true. */
    023    void ifTrue(InstructionBuilder builder);
    024
    025    /** Generates code for when the condition is false. */
    026    void ifFalse(InstructionBuilder builder);
    027}