public final class Int2IntMaps
extends java.lang.Object
Collections
Modifier and Type | Class and Description |
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static class |
Int2IntMaps.EmptyMap
An immutable class representing an empty type-specific map.
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static class |
Int2IntMaps.Singleton
An immutable class representing a type-specific singleton map.
|
static class |
Int2IntMaps.SynchronizedMap
A synchronized wrapper class for maps.
|
static class |
Int2IntMaps.UnmodifiableMap
An unmodifiable wrapper class for maps.
|
Modifier and Type | Field and Description |
---|---|
static Int2IntMaps.EmptyMap |
EMPTY_MAP
An empty type-specific map (immutable).
|
Modifier and Type | Method and Description |
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static void |
fastForEach(Int2IntMap map,
java.util.function.Consumer<? super Int2IntMap.Entry> consumer)
Iterates quickly, if possible, on the entry set of the provided
map . |
static ObjectIterable<Int2IntMap.Entry> |
fastIterable(Int2IntMap map)
Returns an iterable yielding an iterator that will be fast, if possible, on the entry set of the provided
map . |
static ObjectIterator<Int2IntMap.Entry> |
fastIterator(Int2IntMap map)
Returns an iterator that will be fast, if possible, on the entry set of the provided
map . |
static Int2IntMap |
singleton(java.lang.Integer key,
java.lang.Integer value)
Returns a type-specific immutable map containing only the specified pair.
|
static Int2IntMap |
singleton(int key,
int value)
Returns a type-specific immutable map containing only the specified pair.
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static Int2IntMap |
synchronize(Int2IntMap m)
Returns a synchronized type-specific map backed by the given type-specific map.
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static Int2IntMap |
synchronize(Int2IntMap 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 Int2IntMap |
unmodifiable(Int2IntMap m)
Returns an unmodifiable type-specific map backed by the given type-specific map.
|
public static final Int2IntMaps.EmptyMap EMPTY_MAP
public static ObjectIterator<Int2IntMap.Entry> fastIterator(Int2IntMap map)
map
.map
- a map from which we will try to extract a (fast) iterator on the entry set.public static void fastForEach(Int2IntMap map, java.util.function.Consumer<? super Int2IntMap.Entry> consumer)
map
.map
- a map on which we will try to iterate quickly.consumer
- the consumer that will be passed to Int2IntMap.FastEntrySet.fastForEach(Consumer)
, if possible, or to Iterable.forEach(Consumer)
.public static ObjectIterable<Int2IntMap.Entry> fastIterable(Int2IntMap map)
map
.map
- a map from which we will try to extract an iterable yielding a (fast) iterator on the entry set.public static Int2IntMap singleton(int key, int 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 Int2IntMap singleton(java.lang.Integer key, java.lang.Integer 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 Int2IntMap synchronize(Int2IntMap m)
m
- the map to be wrapped in a synchronized map.Collections.synchronizedMap(Map)
public static Int2IntMap synchronize(Int2IntMap 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 Int2IntMap unmodifiable(Int2IntMap m)
m
- the map to be wrapped in an unmodifiable map.Collections.unmodifiableMap(Map)