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Java example source code file (Plus.java)
The Plus.java Java example source code/* * reserved comment block * DO NOT REMOVE OR ALTER! */ /* * Copyright 1999-2004 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. */ /* * $Id: Plus.java,v 1.2.4.1 2005/09/14 21:31:43 jeffsuttor Exp $ */ package com.sun.org.apache.xpath.internal.operations; import com.sun.org.apache.xpath.internal.XPathContext; import com.sun.org.apache.xpath.internal.objects.XNumber; import com.sun.org.apache.xpath.internal.objects.XObject; /** * The '+' operation expression executer. */ public class Plus extends Operation { static final long serialVersionUID = -4492072861616504256L; /** * Apply the operation to two operands, and return the result. * * * @param left non-null reference to the evaluated left operand. * @param right non-null reference to the evaluated right operand. * * @return non-null reference to the XObject that represents the result of the operation. * * @throws javax.xml.transform.TransformerException */ public XObject operate(XObject left, XObject right) throws javax.xml.transform.TransformerException { return new XNumber(left.num() + right.num()); } /** * Evaluate this operation directly to a double. * * @param xctxt The runtime execution context. * * @return The result of the operation as a double. * * @throws javax.xml.transform.TransformerException */ public double num(XPathContext xctxt) throws javax.xml.transform.TransformerException { return (m_right.num(xctxt) + m_left.num(xctxt)); } } Other Java examples (source code examples)Here is a short list of links related to this Java Plus.java source code file: |
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