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java.lang.Objectit.unimi.dsi.fastutil.ints.Int2ObjectMaps
public class Int2ObjectMaps
A class providing static methods and objects that do useful things with type-specific maps.
Maps
,
Collections
Nested Class Summary | |
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static class |
Int2ObjectMaps.EmptyMap<V>
An immutable class representing an empty type-specific map. |
static class |
Int2ObjectMaps.Singleton<V>
An immutable class representing a type-specific singleton map. |
static class |
Int2ObjectMaps.SynchronizedMap<V>
A synchronized wrapper class for maps. |
static class |
Int2ObjectMaps.UnmodifiableMap<V>
An unmodifiable wrapper class for maps. |
Field Summary | |
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static Int2ObjectMaps.EmptyMap |
EMPTY_MAP
An empty type-specific map (immutable). |
Method Summary | ||
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static
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singleton(Integer key,
V value)
Returns a type-specific immutable map containing only the specified pair. |
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static
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singleton(int key,
V value)
Returns a type-specific immutable map containing only the specified pair. |
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static
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synchronize(Int2ObjectMap<V> m)
Returns a synchronized type-specific map backed by the given type-specific map. |
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static
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synchronize(Int2ObjectMap<V> m,
Object sync)
Returns a synchronized type-specific map backed by the given type-specific map, using an assigned object to synchronize. |
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static
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unmodifiable(Int2ObjectMap<V> m)
Returns an unmodifiable type-specific map backed by the given type-specific map. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final Int2ObjectMaps.EmptyMap EMPTY_MAP
Method Detail |
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public static <V> Int2ObjectMap<V> singleton(int key, V value)
Note that albeit the returned map is immutable, its default return value may be changed.
key
- the only key of the returned map.value
- the only value of the returned map.
<key,value>
.public static <V> Int2ObjectMap<V> singleton(Integer key, V value)
Note that albeit the returned map is immutable, its default return value may be changed.
key
- the only key of the returned map.value
- the only value of the returned map.
<key,value>
.public static <V> Int2ObjectMap<V> synchronize(Int2ObjectMap<V> m)
m
- the map to be wrapped in a synchronized map.
Collections.synchronizedMap(Map)
public static <V> Int2ObjectMap<V> synchronize(Int2ObjectMap<V> m, Object sync)
m
- the map to be wrapped in a synchronized map.sync
- an object that will be used to synchronize the access to the map.
Collections.synchronizedMap(Map)
public static <V> Int2ObjectMap<V> unmodifiable(Int2ObjectMap<V> m)
m
- the map to be wrapped in an unmodifiable map.
Collections.unmodifiableMap(Map)
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