-
Notifications
You must be signed in to change notification settings - Fork 587
/
ImmutableBiMapFactoryImpl.java
150 lines (128 loc) · 4.77 KB
/
ImmutableBiMapFactoryImpl.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
/*
* Copyright (c) 2016 Goldman Sachs.
* 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.bimap.immutable;
import java.util.Map;
import org.eclipse.collections.api.bimap.ImmutableBiMap;
import org.eclipse.collections.api.bimap.MutableBiMap;
import org.eclipse.collections.api.factory.bimap.ImmutableBiMapFactory;
import org.eclipse.collections.api.map.ImmutableMap;
import org.eclipse.collections.impl.factory.Maps;
import org.eclipse.collections.impl.utility.MapIterate;
public class ImmutableBiMapFactoryImpl implements ImmutableBiMapFactory
{
public static final ImmutableBiMapFactory INSTANCE = new ImmutableBiMapFactoryImpl();
private static final ImmutableHashBiMap<?, ?> EMPTY_INSTANCE = new ImmutableHashBiMap<>(Maps.immutable.empty(), Maps.immutable.empty());
@Override
public <K, V> ImmutableBiMap<K, V> empty()
{
return (ImmutableBiMap<K, V>) EMPTY_INSTANCE;
}
@Override
public <K, V> ImmutableBiMap<K, V> of()
{
return this.empty();
}
@Override
public <K, V> ImmutableBiMap<K, V> with()
{
return this.empty();
}
@Override
public <K, V> ImmutableBiMap<K, V> of(K key, V value)
{
return this.with(key, value);
}
@Override
public <K, V> ImmutableBiMap<K, V> with(K key, V value)
{
return new ImmutableHashBiMap<>(
Maps.immutable.with(key, value),
Maps.immutable.with(value, key));
}
@Override
public <K, V> ImmutableBiMap<K, V> of(K key1, V value1, K key2, V value2)
{
return this.with(key1, value1, key2, value2);
}
@Override
public <K, V> ImmutableBiMap<K, V> with(K key1, V value1, K key2, V value2)
{
return new ImmutableHashBiMap<>(
Maps.immutable.with(key1, value1, key2, value2),
Maps.immutable.with(value1, key1, value2, key2));
}
@Override
public <K, V> ImmutableBiMap<K, V> of(K key1, V value1, K key2, V value2, K key3, V value3)
{
return this.with(key1, value1, key2, value2, key3, value3);
}
@Override
public <K, V> ImmutableBiMap<K, V> with(K key1, V value1, K key2, V value2, K key3, V value3)
{
return new ImmutableHashBiMap<>(
Maps.immutable.with(key1, value1, key2, value2, key3, value3),
Maps.immutable.with(value1, key1, value2, key2, value3, key3));
}
@Override
public <K, V> ImmutableBiMap<K, V> of(K key1, V value1, K key2, V value2, K key3, V value3, K key4, V value4)
{
return this.with(key1, value1, key2, value2, key3, value3, key4, value4);
}
@Override
public <K, V> ImmutableBiMap<K, V> with(K key1, V value1, K key2, V value2, K key3, V value3, K key4, V value4)
{
return new ImmutableHashBiMap<>(
Maps.immutable.with(key1, value1, key2, value2, key3, value3, key4, value4),
Maps.immutable.with(value1, key1, value2, key2, value3, key3, value4, key4));
}
@Override
public <K, V> ImmutableBiMap<K, V> ofAll(Map<K, V> map)
{
return this.withAll(map);
}
@Override
public <K, V> ImmutableBiMap<K, V> withAll(Map<K, V> map)
{
if (map instanceof ImmutableBiMap<?, ?>)
{
return (ImmutableBiMap<K, V>) map;
}
if (map instanceof MutableBiMap<?, ?>)
{
return this.withAll((MutableBiMap<K, V>) map);
}
ImmutableMap<K, V> immutableMap = Maps.immutable.withAll(map);
return new ImmutableHashBiMap<>(immutableMap, Maps.immutable.withAll(MapIterate.flipUniqueValues(immutableMap)));
}
@Override
public <K, V> ImmutableBiMap<K, V> ofAll(MutableBiMap<K, V> biMap)
{
return this.withAll(biMap);
}
@Override
public <K, V> ImmutableBiMap<K, V> withAll(MutableBiMap<K, V> biMap)
{
return new ImmutableHashBiMap<>(Maps.immutable.withAll(biMap), Maps.immutable.withAll(biMap.inverse()));
}
@Override
public <K, V> ImmutableBiMap<K, V> ofAll(ImmutableMap<K, V> immutableMap)
{
return this.withAll(immutableMap);
}
@Override
public <K, V> ImmutableBiMap<K, V> withAll(ImmutableMap<K, V> immutableMap)
{
if (immutableMap instanceof ImmutableBiMap)
{
return (ImmutableBiMap<K, V>) immutableMap;
}
return new ImmutableHashBiMap<>(immutableMap, immutableMap.flipUniqueValues());
}
}