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

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# coherence/lang/Reference.hpp

    00001 /*
    00002 * Reference.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_REFERENCE_HPP
    00017 #define COH_REFERENCE_HPP
    00018
    00019 #include "coherence/lang/compatibility.hpp"
    00020
    00021 #include "coherence/lang/interface_spec.hpp"
    00022 #include "coherence/lang/Object.hpp"
    00023 #include "coherence/lang/TypedHandle.hpp"
    00024
    00025 COH_OPEN_NAMESPACE2(coherence,lang)
    00026
    00027
    00028 /**
    00029 * Reference provides an additional level of indirection to object instances.
    00030 *
    00031 * It is not a general use class, but rather it is a building block for such
    00032 * things as WeakReference.
    00033 *
    00034 * @author mf  2008.04.10
    00035 */
    00036 class COH_EXPORT Reference
    00037     : public interface_spec<Reference>
    00038     {
    00039     // ----- Reference interface --------------------------------------------
    00040
    00041     public:
    00042         /**
    00043         * Set the referenced Object.
    00044         *
    00045         * @param oh  the Object to reference
    00046         */
    00047         virtual void set(Object::Holder oh) = 0;
    00048
    00049         /**
    00050         * Return a Holder to the referenced Object.
    00051         *
    00052         * @return a Holder to the referenced Object
    00053         */
    00054         virtual Object::Holder get() const = 0;
    00055
    00056         /**
    00057         * Return a Holder to the referenced Object.
    00058         *
    00059         * @return a Holder to the referenced Object
    00060         */
    00061         virtual Object::Holder get() = 0;
    00062     };
    00063
    00064 COH_CLOSE_NAMESPACE2
    00065
    00066 #endif // COH_REFERENCE_HPP

Copyright © 2000, 2010, Oracle and/or its affiliates. All rights reserved.