-
Notifications
You must be signed in to change notification settings - Fork 587
/
MapAdapter.java
195 lines (166 loc) · 4.53 KB
/
MapAdapter.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
/*
* Copyright (c) 2022 Goldman Sachs and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompany this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.eclipse.collections.impl.map.mutable;
import java.io.Serializable;
import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.factory.Maps;
import org.eclipse.collections.api.map.ImmutableMap;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.impl.utility.Iterate;
import org.eclipse.collections.impl.utility.MapIterate;
/**
* This class provides a MutableMap wrapper around a JDK Collections Map interface instance. All the MutableMap
* interface methods are supported in addition to the JDK Map interface methods.
* <p>
* To create a new wrapper around an existing Map instance, use the {@link #adapt(Map)} factory method.
*/
public class MapAdapter<K, V>
extends AbstractMutableMap<K, V>
implements Serializable
{
private static final long serialVersionUID = 1L;
protected final Map<K, V> delegate;
protected MapAdapter(Map<K, V> newDelegate)
{
if (newDelegate == null)
{
throw new NullPointerException("MapAdapter may not wrap null");
}
this.delegate = newDelegate;
}
public static <K, V> MutableMap<K, V> adapt(Map<K, V> map)
{
return map instanceof MutableMap<?, ?> ? (MutableMap<K, V>) map : new MapAdapter<>(map);
}
@Override
public String toString()
{
return this.delegate.toString();
}
@Override
public MutableMap<K, V> clone()
{
return UnifiedMap.newMap(this.delegate);
}
@Override
public <K, V> MutableMap<K, V> newEmpty(int capacity)
{
return UnifiedMap.newMap(capacity);
}
@Override
public int size()
{
return this.delegate.size();
}
@Override
public boolean isEmpty()
{
return this.delegate.isEmpty();
}
@Override
public Iterator<V> iterator()
{
return this.delegate.values().iterator();
}
@Override
public V remove(Object key)
{
return this.delegate.remove(key);
}
@Override
public Set<K> keySet()
{
return this.delegate.keySet();
}
@Override
public Collection<V> values()
{
return this.delegate.values();
}
@Override
public Set<Entry<K, V>> entrySet()
{
return this.delegate.entrySet();
}
@Override
public void clear()
{
this.delegate.clear();
}
@Override
public MutableMap<K, V> newEmpty()
{
return Maps.mutable.empty();
}
@Override
public void forEachKeyValue(Procedure2<? super K, ? super V> procedure)
{
MapIterate.forEachKeyValue(this.delegate, procedure);
}
@Override
public V get(Object key)
{
return this.delegate.get(key);
}
@Override
public V put(K key, V value)
{
return this.delegate.put(key, value);
}
@Override
public void putAll(Map<? extends K, ? extends V> map)
{
this.delegate.putAll(map);
}
@Override
public <E> MutableMap<K, V> collectKeysAndValues(
Iterable<E> iterable,
Function<? super E, ? extends K> keyFunction,
Function<? super E, ? extends V> valueFunction)
{
Iterate.addToMap(iterable, keyFunction, valueFunction, this.delegate);
return this;
}
@Override
public V removeKey(K key)
{
return this.delegate.remove(key);
}
@Override
public boolean containsKey(Object key)
{
return this.delegate.containsKey(key);
}
@Override
public boolean containsValue(Object value)
{
return this.delegate.containsValue(value);
}
@Override
public boolean equals(Object o)
{
return this.delegate.equals(o);
}
@Override
public int hashCode()
{
return this.delegate.hashCode();
}
@Override
public ImmutableMap<K, V> toImmutable()
{
return Maps.immutable.ofMap(this);
}
}