00001 /* 00002 * Copyright (c) 2000, 2020, Oracle and/or its affiliates. 00003 * 00004 * Licensed under the Universal Permissive License v 1.0 as shown at 00005 * http://oss.oracle.com/licenses/upl. 00006 */ 00007 #ifndef COH_FLOAT64_SUM_HPP 00008 #define COH_FLOAT64_SUM_HPP 00009 00010 #include "coherence/lang.ns" 00011 00012 #include "coherence/util/aggregator/AbstractFloat64Aggregator.hpp" 00013 #include "coherence/util/ValueExtractor.hpp" 00014 00015 COH_OPEN_NAMESPACE3(coherence,util,aggregator) 00016 00017 00018 /** 00019 * Sums up numeric values extracted from a set of entries in a Map. All the 00020 * extracted Number objects will be treated as <tt>float64_t</tt> values. 00021 * 00022 * @author djl 2008.05.12 00023 */ 00024 class COH_EXPORT Float64Sum 00025 : public class_spec<Float64Sum, 00026 extends<AbstractFloat64Aggregator> > 00027 { 00028 friend class factory<Float64Sum>; 00029 00030 // ----- constructors --------------------------------------------------- 00031 00032 protected: 00033 /** 00034 * Default constructor (necessary for the PortableObject interface). 00035 */ 00036 Float64Sum(); 00037 00038 /** 00039 * Construct a Float64Sum aggregator. 00040 * 00041 * @param vExtractor the extractor that provides a value in the form 00042 * of any object that is a Number 00043 */ 00044 Float64Sum(ValueExtractor::View vExtractor); 00045 00046 /** 00047 * Construct an Float64Sum that will aggregate values extracted 00048 * from a set of InvocableMap::Entry objects. 00049 * 00050 * @param vsMethod the name of the method that could be invoked via 00051 * reflection and that returns values to aggregate; 00052 * this parameter can also be a dot-delimited 00053 * sequence of method names which would result in 00054 * an aggregator based on the ChainedExtractor that 00055 * is based on an array of corresponding 00056 * ReflectionExtractor objects 00057 * 00058 * @since Coherence 12.1.2 00059 */ 00060 Float64Sum(String::View vsMethod); 00061 00062 private: 00063 /** 00064 * Blocked copy constructor. 00065 */ 00066 Float64Sum(const Float64Sum&); 00067 00068 00069 // ----- AbstractAggregator Interface ---------------------------------- 00070 00071 protected: 00072 /** 00073 * {@inheritDoc} 00074 */ 00075 virtual void init(bool fFinal); 00076 00077 /** 00078 * {@inheritDoc} 00079 */ 00080 virtual void process(Object::View v, bool fFinal); 00081 }; 00082 00083 COH_CLOSE_NAMESPACE3 00084 00085 #endif // COH_FLOAT64_SUM_HPP