public final class Long2ReferenceMaps
extends java.lang.Object
Collections
Modifier and Type | Class and Description |
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static class |
Long2ReferenceMaps.EmptyMap<V>
An immutable class representing an empty type-specific map.
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static class |
Long2ReferenceMaps.Singleton<V>
An immutable class representing a type-specific singleton map.
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static class |
Long2ReferenceMaps.SynchronizedMap<V>
A synchronized wrapper class for maps.
|
static class |
Long2ReferenceMaps.UnmodifiableMap<V>
An unmodifiable wrapper class for maps.
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Modifier and Type | Field and Description |
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static Long2ReferenceMaps.EmptyMap |
EMPTY_MAP
An empty type-specific map (immutable).
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Modifier and Type | Method and Description |
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static <V> Long2ReferenceMap<V> |
emptyMap()
Returns an empty map (immutable).
|
static <V> void |
fastForEach(Long2ReferenceMap<V> map,
java.util.function.Consumer<? super Long2ReferenceMap.Entry<V>> consumer)
Iterates quickly, if possible, on the entry set of the provided
map . |
static <V> ObjectIterable<Long2ReferenceMap.Entry<V>> |
fastIterable(Long2ReferenceMap<V> map)
Returns an iterable yielding an iterator that will be fast, if possible, on the entry set of the provided
map . |
static <V> ObjectIterator<Long2ReferenceMap.Entry<V>> |
fastIterator(Long2ReferenceMap<V> map)
Returns an iterator that will be fast, if possible, on the entry set of the provided
map . |
static <V> Long2ReferenceMap<V> |
singleton(long key,
V value)
Returns a type-specific immutable map containing only the specified pair.
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static <V> Long2ReferenceMap<V> |
singleton(java.lang.Long key,
V value)
Returns a type-specific immutable map containing only the specified pair.
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static <V> Long2ReferenceMap<V> |
synchronize(Long2ReferenceMap<V> m)
Returns a synchronized type-specific map backed by the given type-specific map.
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static <V> Long2ReferenceMap<V> |
synchronize(Long2ReferenceMap<V> m,
java.lang.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 <V> Long2ReferenceMap<V> |
unmodifiable(Long2ReferenceMap<? extends V> m)
Returns an unmodifiable type-specific map backed by the given type-specific map.
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public static final Long2ReferenceMaps.EmptyMap EMPTY_MAP
public static <V> ObjectIterator<Long2ReferenceMap.Entry<V>> fastIterator(Long2ReferenceMap<V> map)
map
.map
- a map from which we will try to extract a (fast) iterator on the entry set.public static <V> void fastForEach(Long2ReferenceMap<V> map, java.util.function.Consumer<? super Long2ReferenceMap.Entry<V>> consumer)
map
.map
- a map on which we will try to iterate quickly.consumer
- the consumer that will be passed to Long2ReferenceMap.FastEntrySet.fastForEach(Consumer)
, if possible, or to Iterable.forEach(Consumer)
.public static <V> ObjectIterable<Long2ReferenceMap.Entry<V>> fastIterable(Long2ReferenceMap<V> map)
map
.map
- a map from which we will try to extract an iterable yielding a (fast) iterator on the entry set.public static <V> Long2ReferenceMap<V> emptyMap()
This method provides a typesafe access to EMPTY_MAP
.
public static <V> Long2ReferenceMap<V> singleton(long 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> Long2ReferenceMap<V> singleton(java.lang.Long 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> Long2ReferenceMap<V> synchronize(Long2ReferenceMap<V> m)
m
- the map to be wrapped in a synchronized map.Collections.synchronizedMap(Map)
public static <V> Long2ReferenceMap<V> synchronize(Long2ReferenceMap<V> m, java.lang.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> Long2ReferenceMap<V> unmodifiable(Long2ReferenceMap<? extends V> m)
m
- the map to be wrapped in an unmodifiable map.Collections.unmodifiableMap(Map)