001// Copyright 2004, 2005 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.hivemind.conditional; 016 017/** 018 * And operation, evaluates the left node and then (perhaps) the right node (short circuiting may 019 * take place). 020 * 021 * @author Howard M. Lewis Ship 022 * @since 1.1 023 */ 024public class AndEvaluator implements Evaluator 025{ 026 public boolean evaluate(EvaluationContext context, Node node) 027 { 028 return node.getLeft().evaluate(context) && node.getRight().evaluate(context); 029 } 030 031}