Mercurial > hg > openjdk > jdk9 > jaxp
view src/java.xml/share/classes/com/sun/org/apache/xpath/internal/operations/Minus.java @ 1113:2fdbfbde3bc0
8162572: Update License Header for all JAXP sources
Reviewed-by: lancea
author | joehw |
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date | Mon, 17 Apr 2017 16:24:10 -0700 |
parents | 2bfaf29cc90b |
children |
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/* * reserved comment block * DO NOT REMOVE OR ALTER! */ /* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 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 binary '-' operation expression executer. */ public class Minus extends Operation { static final long serialVersionUID = -5297672838170871043L; /** * 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_left.num(xctxt) - m_right.num(xctxt)); } }