C++ Client API Reference for Oracle Coherence: coherence/util/Supplier.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_SUPPLIER_HPP
00008 #define COH_SUPPLIER_HPP
00009 
00010 #include "coherence/lang.ns"
00011 
00012 COH_OPEN_NAMESPACE2(coherence,util)
00013 
00014 /**
00015  * A Supplier provides the ability to provide a value in a deferred
00016  * fashion.
00017  *
00018  * @author rl 2019.04.29
00019  * @since 12.2.1.4
00020  */ 
00021 class COH_EXPORT Supplier
00022     : public interface_spec<Supplier>
00023     {
00024     // ----- Supplier interface ---------------------------------------------
00025 
00026     public:
00027         /**
00028          * Return the value.
00029          * 
00030          * @return the value
00031          */ 
00032         virtual Object::Holder get() const = 0;
00033 
00034         /**
00035          * Return the value.
00036          * 
00037          * @return the value
00038          */ 
00039         virtual Object::Holder get() = 0;
00040     };
00041 
00042 COH_CLOSE_NAMESPACE2
00043 
00044 #endif // COH_SUPPLIER_HPP