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Map.h
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1
2// Copyright (c) 2009-2014 Alan Wright. All rights reserved.
3// Distributable under the terms of either the Apache License (Version 2.0)
4// or the GNU Lesser General Public License.
6
7#ifndef MAP_H
8#define MAP_H
9
10#include <map>
11#include "LuceneSync.h"
12
13namespace Lucene {
14
16template < class KEY, class VALUE, class LESS = std::less<KEY> >
17class Map : public LuceneSync {
18public:
20 typedef std::pair<KEY, VALUE> key_value;
21 typedef std::map<KEY, VALUE, LESS> map_type;
22 typedef typename map_type::iterator iterator;
23 typedef typename map_type::const_iterator const_iterator;
24 typedef KEY key_type;
25 typedef VALUE value_type;
26
27 virtual ~Map() {
28 }
29
30protected:
31 boost::shared_ptr<map_type> mapContainer;
32
33public:
35 this_type instance;
36 instance.mapContainer = Lucene::newInstance<map_type>();
37 return instance;
38 }
39
40 void reset() {
41 mapContainer.reset();
42 }
43
44 int32_t size() const {
45 return (int32_t)mapContainer->size();
46 }
47
48 bool empty() const {
49 return mapContainer->empty();
50 }
51
52 void clear() {
53 mapContainer->clear();
54 }
55
57 return mapContainer->begin();
58 }
59
61 return mapContainer->end();
62 }
63
65 return mapContainer->begin();
66 }
67
69 return mapContainer->end();
70 }
71
72 operator bool() const {
73 return mapContainer.get() != NULL;
74 }
75
76 bool operator! () const {
77 return !mapContainer;
78 }
79
80 map_type& operator= (const map_type& other) {
81 mapContainer = other.mapContainer;
82 return *this;
83 }
84
85 void put(const KEY& key, const VALUE& value) {
86 (*mapContainer)[key] = value;
87 }
88
89 template <class ITER>
90 void putAll(ITER first, ITER last) {
91 for (iterator current = first; current != last; ++current) {
92 (*mapContainer)[current->first] = current->second;
93 }
94 }
95
96 template <class ITER>
97 void remove(ITER pos) {
98 mapContainer->erase(pos);
99 }
100
101 template <class ITER>
102 ITER remove(ITER first, ITER last) {
103 return mapContainer->erase(first, last);
104 }
105
106 bool remove(const KEY& key) {
107 return (mapContainer->erase(key) > 0);
108 }
109
110 iterator find(const KEY& key) {
111 return mapContainer->find(key);
112 }
113
114 VALUE get(const KEY& key) const {
115 iterator findValue = mapContainer->find(key);
116 return findValue == mapContainer->end() ? VALUE() : findValue->second;
117 }
118
119 bool contains(const KEY& key) const {
120 return (mapContainer->find(key) != mapContainer->end());
121 }
122
123 VALUE& operator[] (const KEY& key) {
124 return (*mapContainer)[key];
125 }
126};
127
128}
129
130#endif
Base class for all Lucene synchronised classes.
Definition LuceneSync.h:15
Utility template class to handle maps that can be safely copied and shared.
Definition Map.h:17
VALUE get(const KEY &key) const
Definition Map.h:114
Map< KEY, VALUE, LESS > this_type
Definition Map.h:19
VALUE & operator[](const KEY &key)
Definition Map.h:123
void putAll(ITER first, ITER last)
Definition Map.h:90
int32_t size() const
Definition Map.h:44
void remove(ITER pos)
Definition Map.h:97
ITER remove(ITER first, ITER last)
Definition Map.h:102
bool contains(const KEY &key) const
Definition Map.h:119
const_iterator begin() const
Definition Map.h:64
std::map< KEY, VALUE, LESS > map_type
Definition Map.h:21
iterator end()
Definition Map.h:60
KEY key_type
Definition Map.h:24
void put(const KEY &key, const VALUE &value)
Definition Map.h:85
bool remove(const KEY &key)
Definition Map.h:106
boost::shared_ptr< map_type > mapContainer
Definition Map.h:31
map_type::const_iterator const_iterator
Definition Map.h:23
void reset()
Definition Map.h:40
virtual ~Map()
Definition Map.h:27
const_iterator end() const
Definition Map.h:68
iterator begin()
Definition Map.h:56
static this_type newInstance()
Definition Map.h:34
VALUE value_type
Definition Map.h:25
bool operator!() const
Definition Map.h:76
void clear()
Definition Map.h:52
map_type & operator=(const map_type &other)
Definition Map.h:80
bool empty() const
Definition Map.h:48
map_type::iterator iterator
Definition Map.h:22
iterator find(const KEY &key)
Definition Map.h:110
std::pair< KEY, VALUE > key_value
Definition Map.h:20
Definition AbstractAllTermDocs.h:12

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