Oracle Coherence for C++ API
Release 3.6.0.0

E15728-01

coherence/util/aggregator/Float64Min.hpp

00001 /*
00002 * Float64Min.hpp
00003 *
00004 * Copyright (c) 2000, 2010, 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_MIN_HPP
00017 #define COH_FLOAT64_MIN_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 * Calculates a minimum of numeric values extracted from a set of entries in
00029 * a Map. All the extracted Number objects will be treated as
00030 * <tt>int64_t</tt> values.
00031 *
00032 * @author djl  2008.05.12
00033 */
00034 class COH_EXPORT Float64Min
00035     : public class_spec<Float64Min,
00036         extends<AbstractFloat64Aggregator> >
00037     {
00038     friend class factory<Float64Min>;
00039 
00040     // ----- constructors ---------------------------------------------------
00041 
00042     protected:
00043         /**
00044         * Default constructor (necessary for the PortableObject interface).
00045         */
00046         Float64Min();
00047 
00048         /**
00049         * Construct a Float64Min aggregator.
00050         *
00051         * @param vExtractor  the extractor that provides a value in the form
00052         *                    of any object that is a Number
00053         */
00054         Float64Min(ValueExtractor::View vExtractor);
00055 
00056 
00057     // ----- AbstractAggregator Interface  ----------------------------------
00058 
00059     protected:
00060         /**
00061         * {@inheritDoc}
00062         */
00063         virtual void init(bool fFinal);
00064 
00065         /**
00066         * {@inheritDoc}
00067         */
00068         virtual void process(Object::View v, bool fFinal);
00069     };
00070 
00071 COH_CLOSE_NAMESPACE3
00072 
00073 #endif // COH_FLOAT64_MIN_HPP
Copyright © 2000, 2010, Oracle and/or its affiliates. All rights reserved.