00001 /* 00002 * AbstractMap.hpp 00003 * 00004 * Copyright (c) 2000, 2019, 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_ABSTRACT_MAP_HPP 00017 #define COH_ABSTRACT_MAP_HPP 00018 00019 #include "coherence/lang.ns" 00020 00021 #include "coherence/util/Collection.hpp" 00022 #include "coherence/util/Describable.hpp" 00023 #include "coherence/util/Iterator.hpp" 00024 #include "coherence/util/Map.hpp" 00025 #include "coherence/util/Set.hpp" 00026 00027 00028 00029 COH_OPEN_NAMESPACE2(coherence,util) 00030 00031 00032 /** 00033 * This class provides a skeletal implementation of the <tt>Map</tt> 00034 * interface, to minimize the effort required to implement this interface. 00035 * 00036 * To implement an unmodifiable map, the programmer needs only to extend this 00037 * class and provide implementations for the entrySet() and 00038 * iterator() methods. Method <tt>entrySet</tt> returns a set-view of 00039 * the map's mappings. Typically, the returned set will, in turn, be 00040 * implemented atop <tt>AbstractDeepSet</tt>. Method <tt>iterator</tt> returns 00041 * an entry set iterator that points to the mapping for specified key. 00042 * 00043 * To implement a modifiable map, the programmer must additionally override 00044 * this class's <tt>put</tt>, <tt>remove</tt> and <tt>clear</tt> methods 00045 * (which otherwise throw an 00046 * {@link coherence::lang::UnsupportedOperationException 00047 * UnsupportedOperationException}. 00048 * 00049 * The programmer should generally provide a void (no argument) and map 00050 * constructor, as per the recommendation in the <tt>Map</tt> interface 00051 * specification. 00052 * 00053 * @see Map 00054 * 00055 * @author nsa,mf 2008.01.30 00056 */ 00057 class COH_EXPORT AbstractMap 00058 : public abstract_spec<AbstractMap, 00059 extends<Describable>, 00060 implements<Map> > 00061 { 00062 // ----- Map interface -------------------------------------------------- 00063 00064 public: 00065 /** 00066 * {@inheritDoc} 00067 */ 00068 virtual size32_t size() const; 00069 00070 /** 00071 * {@inheritDoc} 00072 */ 00073 virtual bool isEmpty() const; 00074 00075 /** 00076 * {@inheritDoc} 00077 */ 00078 virtual bool containsKey(Object::View vKey) const; 00079 00080 /** 00081 * {@inheritDoc} 00082 */ 00083 virtual bool containsValue(Object::View vValue) const; 00084 00085 /** 00086 * {@inheritDoc} 00087 */ 00088 virtual Object::Holder get(Object::View vKey) const; 00089 00090 /** 00091 * {@inheritDoc} 00092 */ 00093 virtual Object::Holder get(Object::View vKey); 00094 00095 /** 00096 * {@inheritDoc} 00097 */ 00098 virtual void putAll(Map::View vMap); 00099 00100 /** 00101 * {@inheritDoc} 00102 */ 00103 virtual Set::View keySet() const; 00104 00105 /** 00106 * {@inheritDoc} 00107 */ 00108 virtual Set::Handle keySet(); 00109 00110 /** 00111 * {@inheritDoc} 00112 */ 00113 virtual Collection::View values() const; 00114 00115 /** 00116 * {@inheritDoc} 00117 */ 00118 virtual Collection::Handle values(); 00119 00120 00121 // ----- Object interface ----------------------------------------------- 00122 00123 public: 00124 /** 00125 * {@inheritDoc} 00126 */ 00127 virtual bool equals(Object::View v) const; 00128 00129 /** 00130 * {@inheritDoc} 00131 */ 00132 virtual size32_t hashCode() const; 00133 00134 /** 00135 * {@inheritDoc} 00136 */ 00137 virtual TypedHandle<const String> toString() const; 00138 }; 00139 00140 COH_CLOSE_NAMESPACE2 00141 00142 #endif // COH_ABSTRACT_MAP_HPP