C++ Client API Reference for Oracle Coherence: coherence/io/AbstractEvolvable.hpp Source File

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_ABSTRACT_EVOLVABLE_HPP
00008 #define COH_ABSTRACT_EVOLVABLE_HPP
00009 
00010 #include "coherence/lang.ns"
00011 
00012 #include "coherence/io/Evolvable.hpp"
00013 #include "coherence/util/Binary.hpp"
00014 
00015 COH_OPEN_NAMESPACE2(coherence,io)
00016 
00017 
00018 using coherence::util::Binary;
00019 
00020 /**
00021 * Abstract base implementation of the Evolvable interface.
00022 *
00023 * @author wl 2010.08.11
00024 */
00025 class COH_EXPORT AbstractEvolvable
00026     : public abstract_spec<AbstractEvolvable,
00027         extends <Object>,
00028         implements<Evolvable> >
00029     {
00030     // ----- constructors ---------------------------------------------------
00031 
00032     protected:
00033         /**
00034         * @internal
00035         */
00036         AbstractEvolvable();
00037 
00038         /**
00039         * @internal
00040         */
00041         AbstractEvolvable(const AbstractEvolvable& that);
00042 
00043 
00044     // ----- Evolvable interface --------------------------------------------
00045 
00046     public:
00047         /**
00048         * {@inheritDoc}
00049         */
00050         virtual int32_t getImplVersion() const = 0;
00051 
00052         /**
00053         * {@inheritDoc}
00054         */
00055         virtual int32_t getDataVersion() const;
00056 
00057         /**
00058         * {@inheritDoc}
00059         */
00060         virtual void setDataVersion(int32_t nVersion);
00061 
00062         /**
00063         * {@inheritDoc}
00064         */
00065         virtual Binary::View getFutureData() const;
00066 
00067         /**
00068         * {@inheritDoc}
00069         */
00070         virtual void setFutureData(Binary::View vBinFuture);
00071 
00072 
00073       // ----- data members -------------------------------------------------
00074 
00075       private:
00076         /**
00077         * The version of the data stream that this object was deserialized from.
00078         */
00079         int32_t m_nDataVersion;
00080 
00081         /**
00082         * The "unknown future data" from the data stream that this object was
00083         * deserialized from.
00084         */
00085         FinalView<Binary> f_vBinFuture;
00086       
00087     };
00088 
00089 COH_CLOSE_NAMESPACE2
00090 
00091 #endif // COH_ABSTRACT_EVOLVABLE_HPP
00092