00001 /* 00002 * Float64Sum.hpp 00003 * 00004 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. 00005 * 00006 * Oracle is a registered trademarks of Oracle Corporation and/or its 00007 * affiliates. 00008 * 00009 * This software is the confidential and proprietary information of Oracle 00010 * Corporation. You shall not disclose such confidential and proprietary 00011 * information and shall use it only in accordance with the terms of the 00012 * license agreement you entered into with Oracle. 00013 * 00014 * This notice may not be removed or altered. 00015 */ 00016 #ifndef COH_FLOAT64_SUM_HPP 00017 #define COH_FLOAT64_SUM_HPP 00018 00019 #include "coherence/lang.ns" 00020 00021 #include "coherence/util/aggregator/AbstractFloat64Aggregator.hpp" 00022 #include "coherence/util/ValueExtractor.hpp" 00023 00024 COH_OPEN_NAMESPACE3(coherence,util,aggregator) 00025 00026 00027 /** 00028 * Sums up numeric values extracted from a set of entries in a Map. All the 00029 * extracted Number objects will be treated as <tt>float64_t</tt> values. 00030 * 00031 * @author djl 2008.05.12 00032 */ 00033 class COH_EXPORT Float64Sum 00034 : public class_spec<Float64Sum, 00035 extends<AbstractFloat64Aggregator> > 00036 { 00037 friend class factory<Float64Sum>; 00038 00039 // ----- constructors --------------------------------------------------- 00040 00041 protected: 00042 /** 00043 * Default constructor (necessary for the PortableObject interface). 00044 */ 00045 Float64Sum(); 00046 00047 /** 00048 * Construct a Float64Sum aggregator. 00049 * 00050 * @param vExtractor the extractor that provides a value in the form 00051 * of any object that is a Number 00052 */ 00053 Float64Sum(ValueExtractor::View vExtractor); 00054 00055 00056 // ----- AbstractAggregator Interface ---------------------------------- 00057 00058 protected: 00059 /** 00060 * {@inheritDoc} 00061 */ 00062 virtual void init(bool fFinal); 00063 00064 /** 00065 * {@inheritDoc} 00066 */ 00067 virtual void process(Object::View v, bool fFinal); 00068 }; 00069 00070 COH_CLOSE_NAMESPACE3 00071 00072 #endif // COH_FLOAT64_SUM_HPP