- /*
- * Copyright 2002-2004 The Apache Software Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.apache.commons.jxpath.ri.compiler;
-
- import org.apache.commons.jxpath.ri.EvalContext;
- import org.apache.commons.jxpath.ri.InfoSetUtil;
-
- /**
- * Implementation of Expression for the operation "<".
- *
- * @author Dmitri Plotnikov
- * @version $Revision: 1.3 $ $Date: 2004/02/29 14:17:39 $
- */
- public class CoreOperationLessThan extends CoreOperation {
-
- public CoreOperationLessThan(Expression arg1, Expression arg2) {
- super(new Expression[] { arg1, arg2 });
- }
-
- public Object computeValue(EvalContext context) {
- double l = InfoSetUtil.doubleValue(args[0].computeValue(context));
- double r = InfoSetUtil.doubleValue(args[1].computeValue(context));
- return l < r ? Boolean.TRUE : Boolean.FALSE;
- }
-
- protected int getPrecedence() {
- return 3;
- }
-
- protected boolean isSymmetric() {
- return false;
- }
-
- public String getSymbol() {
- return "<";
- }
- }