Oracle Coherence for C++ API
Release 3.6.1.0
E18813-01

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# coherence/util/extractor/ReflectionUpdater.hpp

    00001 /*
    00002 * ReflectionUpdater.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_REFLECTION_UPDATER_HPP
    00017 #define COH_REFLECTION_UPDATER_HPP
    00018
    00019 #include "coherence/lang.ns"
    00020
    00021 #include "coherence/io/pof/PofReader.hpp"
    00022 #include "coherence/io/pof/PofWriter.hpp"
    00023 #include "coherence/io/pof/PortableObject.hpp"
    00024 #include "coherence/util/ValueUpdater.hpp"
    00025
    00026 COH_OPEN_NAMESPACE3(coherence,util,extractor)
    00027
    00028 using coherence::io::pof::PofReader;
    00029 using coherence::io::pof::PofWriter;
    00030 using coherence::io::pof::PortableObject;
    00031
    00032
    00033 /**
    00034 * Reflection-based ValueUpdater implementation.
    00035 *
    00036 * ReflectionUpdater cannot be executed against local C++ caches, only
    00037 * against remote caches. Locally executable C++ updaters may either be
    00038 * custom built, or auto-generated via TypedUpdater<>.
    00039 *
    00040 * @author djl 2008.04.08
    00041 *
    00042 * @see CompositeUpdater
    00043 * @see TypedUpdater
    00044 */
    00045 class COH_EXPORT ReflectionUpdater
    00046     : public cloneable_spec<ReflectionUpdater,
    00047         extends<Object>,
    00048         implements<ValueUpdater, PortableObject> >
    00049     {
    00050     friend class factory<ReflectionUpdater>;
    00051
    00052     // ----- constructors ---------------------------------------------------
    00053
    00054     protected:
    00055         /**
    00056         * Construct an empty ReflectionUpdater
    00057         * (necessary for the PortableObject interface).
    00058         */
    00059         ReflectionUpdater();
    00060
    00061         /**
    00062         * Construct a ReflectionUpdater for a given method name. This
    00063         * implementation assumes that the corresponding classes will have one
    00064         * and only one method with a specified name and this method will have
    00065         * exactly one parameter.
    00066         */
    00067         ReflectionUpdater(String::View vsMethod);
    00068
    00069         /**
    00070         * Copy constructor.
    00071         */
    00072         ReflectionUpdater(const ReflectionUpdater& that);
    00073
    00074
    00075     // ----- ValueUpdater interface ------------------------------------------
    00076
    00077     public:
    00078         /**
    00079         * {@inheritDoc}
    00080         *
    00081         * @throws UnsupportedOperationException always
    00082         */
    00083         virtual void update(Object::Handle hTarget,
    00084                 Object::Holder ohValue) const;
    00085
    00086
    00087     // ----- PortableObject interface ---------------------------------------
    00088
    00089     public:
    00090         /**
    00091         * {@inheritDoc}
    00092         */
    00093         virtual void readExternal(PofReader::Handle hIn);
    00094
    00095         /**
    00096         * {@inheritDoc}
    00097         */
    00098         virtual void writeExternal(PofWriter::Handle hOut) const;
    00099
    00100
    00101     // ----- Object interface -----------------------------------------------
    00102
    00103     public:
    00104         /**
    00105         * {@inheritDoc}
    00106         */
    00107         virtual bool equals(Object::View v) const;
    00108
    00109         /**
    00110         * {@inheritDoc}
    00111         */
    00112         virtual size32_t hashCode() const;
    00113
    00114         /**
    00115         * {@inheritDoc}
    00116         */
    00117         virtual void toStream(std::ostream& out) const;
    00118
    00119
    00120     // ----- data member accessors ------------------------------------------
    00121
    00122     public:
    00123         /**
    00124         * Determine the name of the method that this extractor is configured
    00125         * to invoke.
    00126         *
    00127         * @return the name of the method to invoke using reflection
    00128         */
    00129         virtual String::View getMethodName() const;
    00130
    00131
    00132     // ----- data members ---------------------------------------------------
    00133
    00134     protected:
    00135         /**
    00136         * The name of the method to invoke.
    00137         */
    00138         MemberView<String> m_vsMethod;
    00139     };
    00140
    00141 COH_CLOSE_NAMESPACE3
    00142
    00143 #endif // COH_REFLECTION_UPDATER_HPP

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