|
What this is
Other links
The source code/* * 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 CoreOperationSubtract extends CoreOperation { public CoreOperationSubtract(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 new Double(l - r); } protected int getPrecedence() { return 4; } protected boolean isSymmetric() { return false; } public String getSymbol() { return "-"; } } |
... this post is sponsored by my books ... | |
#1 New Release! |
FP Best Seller |
Copyright 1998-2024 Alvin Alexander, alvinalexander.com
All Rights Reserved.
A percentage of advertising revenue from
pages under the /java/jwarehouse
URI on this website is
paid back to open source projects.