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Package: TypeSafeHashMap
TypeSafeHashMap
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| TypeSafeHashMap(Map) |
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| TypeSafeHashMap(Map, boolean) |
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| asMap() |
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| containsKey(Key) |
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| entrySet() |
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| forEach(BiConsumer) |
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| get(Key) |
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| iterator() |
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| keySet() |
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| size() |
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| toString() |
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| values() |
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| with(Key, Object) |
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Coverage
1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * TheseFoolishThings: Miscellaneous utilities
5: * http://tidalwave.it/projects/thesefoolishthings
6: *
7: * Copyright (C) 2009 - 2025 by Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22: * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.util.impl;
27:
28: // import javax.annotation.Nonnegative;
29: // import javax.annotation.concurrent.Immutable;
30: import jakarta.annotation.Nonnull;
31: import java.util.Collection;
32: import java.util.HashMap;
33: import java.util.Iterator;
34: import java.util.Map;
35: import java.util.Set;
36: import java.util.concurrent.CopyOnWriteArraySet;
37: import java.util.function.BiConsumer;
38: import java.io.Serializable;
39: import it.tidalwave.util.Key;
40: import it.tidalwave.util.NotFoundException;
41: import it.tidalwave.util.TypeSafeMap;
42: import lombok.EqualsAndHashCode;
43:
44: /***************************************************************************************************************************************************************
45: *
46: * An implementation of {@link TypeSafeMap}. This class is not part of the public API.
47: *
48: * @author Fabrizio Giudici
49: *
50: **************************************************************************************************************************************************************/
51: /* @Immutable */ @EqualsAndHashCode
52: public class TypeSafeHashMap implements TypeSafeMap, Serializable
53: {
54: private static final long serialVersionUID = 564564576856746L;
55:
56: @Nonnull
57: private final Map<Key<?>, Object> map;
58:
59: /***********************************************************************************************************************************************************
60: * Creates a new instance from the given contents.
61: *
62: * @param map the contents
63: **********************************************************************************************************************************************************/
64: public TypeSafeHashMap (@Nonnull final Map<? extends Key<?>, Object> map)
65: {
66: this(new HashMap<>(), false);
67: this.map.putAll(map);
68: }
69:
70: /***********************************************************************************************************************************************************
71: *
72: **********************************************************************************************************************************************************/
73: /* package */ TypeSafeHashMap (@Nonnull final Map<Key<?>, Object> map, final boolean ignored)
74: {
75: this.map = map;
76: }
77:
78: /***********************************************************************************************************************************************************
79: * {@inheritDoc}
80: **********************************************************************************************************************************************************/
81: @Override @Nonnull
82: public <T> T get (@Nonnull final Key<T> key)
83: throws NotFoundException
84: {
85: return NotFoundException.throwWhenNull(key.getType().cast(map.get(key)), "not found: %s", key);
86: }
87:
88: /***********************************************************************************************************************************************************
89: * {@inheritDoc}
90: **********************************************************************************************************************************************************/
91: @Override
92: public boolean containsKey (@Nonnull final Key<?> key)
93: {
94: return map.containsKey(key);
95: }
96:
97: /***********************************************************************************************************************************************************
98: * {@inheritDoc}
99: **********************************************************************************************************************************************************/
100: @Override @Nonnull
101: public <T> TypeSafeMap with (@Nonnull final Key<T> key, @Nonnull final T value)
102: {
103: final var map = asMap();
104: map.put(key, value);
105: return new TypeSafeHashMap(map, true);
106: }
107:
108: /***********************************************************************************************************************************************************
109: * {@inheritDoc}
110: **********************************************************************************************************************************************************/
111: @Override @Nonnull
112: public Set<Key<?>> keySet()
113: {
114: return new CopyOnWriteArraySet<>(map.keySet());
115: }
116:
117: /***********************************************************************************************************************************************************
118: * {@inheritDoc}
119: **********************************************************************************************************************************************************/
120: @Override @Nonnull
121: public Collection<Object> values()
122: {
123: return map.values();
124: }
125:
126: /***********************************************************************************************************************************************************
127: * {@inheritDoc}
128: **********************************************************************************************************************************************************/
129: @Override @Nonnull
130: public Set<Map.Entry<Key<?>, Object>> entrySet()
131: {
132: return map.entrySet();
133: }
134:
135: /***********************************************************************************************************************************************************
136: * {@inheritDoc}
137: **********************************************************************************************************************************************************/
138: @Override /* @Nonnegative */
139: public int size()
140: {
141: return map.size();
142: }
143:
144: /***********************************************************************************************************************************************************
145: * {@inheritDoc}
146: **********************************************************************************************************************************************************/
147: @Override @Nonnull
148: public Iterator<Map.Entry<Key<?>, Object>> iterator()
149: {
150: return map.entrySet().iterator();
151: }
152:
153: /***********************************************************************************************************************************************************
154: * {@inheritDoc}
155: **********************************************************************************************************************************************************/
156: @Override @Nonnull
157: public Map<Key<?>, Object> asMap()
158: {
159: return new HashMap<>(map);
160: }
161:
162: /***********************************************************************************************************************************************************
163: * {@inheritDoc}
164: **********************************************************************************************************************************************************/
165: @Override @SuppressWarnings("unchecked")
166: public <T> void forEach (@Nonnull final BiConsumer<? super Key<T>, ? super T> action)
167: {
168: map.forEach((BiConsumer<? super Key<?>, ? super Object>)action);
169: }
170:
171: /***********************************************************************************************************************************************************
172: * {@inheritDoc}
173: **********************************************************************************************************************************************************/
174: @Override @Nonnull
175: public String toString()
176: {
177: return map.toString();
178: }
179: }