Class Short2LongRBTreeMap
- java.lang.Object
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- it.unimi.dsi.fastutil.shorts.AbstractShort2LongFunction
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- it.unimi.dsi.fastutil.shorts.AbstractShort2LongMap
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- it.unimi.dsi.fastutil.shorts.AbstractShort2LongSortedMap
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- it.unimi.dsi.fastutil.shorts.Short2LongRBTreeMap
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- All Implemented Interfaces:
Function<java.lang.Short,java.lang.Long>
,Short2LongFunction
,Short2LongMap
,Short2LongSortedMap
,java.io.Serializable
,java.lang.Cloneable
,java.util.function.Function<java.lang.Short,java.lang.Long>
,java.util.function.IntToLongFunction
,java.util.Map<java.lang.Short,java.lang.Long>
,java.util.SortedMap<java.lang.Short,java.lang.Long>
public class Short2LongRBTreeMap extends AbstractShort2LongSortedMap implements java.io.Serializable, java.lang.Cloneable
A type-specific red-black tree map with a fast, small-footprint implementation.The iterators provided by the views of this class are type-specific bidirectional iterators. Moreover, the iterator returned by
iterator()
can be safely cast to a type-specific list iterator.- See Also:
- Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.shorts.AbstractShort2LongMap
AbstractShort2LongMap.BasicEntry, AbstractShort2LongMap.BasicEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.shorts.Short2LongMap
Short2LongMap.FastEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.shorts.Short2LongSortedMap
Short2LongSortedMap.FastSortedEntrySet
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Constructor Summary
Constructors Constructor Description Short2LongRBTreeMap()
Creates a new empty tree map.Short2LongRBTreeMap(short[] k, long[] v)
Creates a new tree map using the elements of two parallel arrays.Short2LongRBTreeMap(short[] k, long[] v, java.util.Comparator<? super java.lang.Short> c)
Creates a new tree map using the elements of two parallel arrays and the given comparator.Short2LongRBTreeMap(Short2LongMap m)
Creates a new tree map copying a given map.Short2LongRBTreeMap(Short2LongSortedMap m)
Creates a new tree map copying a given sorted map (and itsComparator
).Short2LongRBTreeMap(java.util.Comparator<? super java.lang.Short> c)
Creates a new empty tree map with the given comparator.Short2LongRBTreeMap(java.util.Map<? extends java.lang.Short,? extends java.lang.Long> m)
Creates a new tree map copying a given map.Short2LongRBTreeMap(java.util.SortedMap<java.lang.Short,java.lang.Long> m)
Creates a new tree map copying a given sorted map (and itsComparator
).
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description long
addTo(short k, long incr)
Adds an increment to value currently associated with a key.void
clear()
Removes all of the mappings from this map (optional operation).Short2LongRBTreeMap
clone()
Returns a deep copy of this tree map.ShortComparator
comparator()
Returns the comparator associated with this sorted set, or null if it uses its keys' natural ordering.boolean
containsKey(short k)
Returns true if this function contains a mapping for the specified key.boolean
containsValue(long v)
Returnstrue
if this map maps one or more keys to the specified value.short
firstShortKey()
Returns the first (lowest) key currently in this map.long
get(short k)
Returns the value to which the given key is mapped.Short2LongSortedMap
headMap(short to)
Returns a view of the portion of this sorted map whose keys are strictly less thantoKey
.boolean
isEmpty()
ShortSortedSet
keySet()
Returns a type-specific sorted set view of the keys contained in this map.short
lastShortKey()
Returns the last (highest) key currently in this map.long
put(short k, long v)
Adds a pair to the map (optional operation).long
remove(short k)
Removes the mapping with the given key (optional operation).ObjectSortedSet<Short2LongMap.Entry>
short2LongEntrySet()
Returns a type-specific sorted-set view of the mappings contained in this map.int
size()
Returns the number of key/value mappings in this map.Short2LongSortedMap
subMap(short from, short to)
Returns a view of the portion of this sorted map whose keys range fromfromKey
, inclusive, totoKey
, exclusive.Short2LongSortedMap
tailMap(short from)
Returns a view of the portion of this sorted map whose keys are greater than or equal tofromKey
.LongCollection
values()
Returns a type-specific collection view of the values contained in this map.-
Methods inherited from class it.unimi.dsi.fastutil.shorts.AbstractShort2LongMap
equals, hashCode, putAll, toString
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Methods inherited from class it.unimi.dsi.fastutil.shorts.AbstractShort2LongFunction
defaultReturnValue, defaultReturnValue
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Methods inherited from interface java.util.Map
containsKey, equals, forEach, get, hashCode, put, putAll, remove, replaceAll
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Methods inherited from interface it.unimi.dsi.fastutil.shorts.Short2LongFunction
applyAsLong
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Methods inherited from interface it.unimi.dsi.fastutil.shorts.Short2LongMap
compute, compute, computeIfAbsent, computeIfAbsent, computeIfAbsentNullable, computeIfAbsentPartial, computeIfPresent, computeIfPresent, containsKey, containsValue, defaultReturnValue, defaultReturnValue, get, getOrDefault, getOrDefault, merge, merge, put, putIfAbsent, putIfAbsent, remove, remove, remove, replace, replace, replace, replace
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Constructor Detail
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Short2LongRBTreeMap
public Short2LongRBTreeMap()
Creates a new empty tree map.
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Short2LongRBTreeMap
public Short2LongRBTreeMap(java.util.Comparator<? super java.lang.Short> c)
Creates a new empty tree map with the given comparator.- Parameters:
c
- a (possibly type-specific) comparator.
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Short2LongRBTreeMap
public Short2LongRBTreeMap(java.util.Map<? extends java.lang.Short,? extends java.lang.Long> m)
Creates a new tree map copying a given map.- Parameters:
m
- aMap
to be copied into the new tree map.
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Short2LongRBTreeMap
public Short2LongRBTreeMap(java.util.SortedMap<java.lang.Short,java.lang.Long> m)
Creates a new tree map copying a given sorted map (and itsComparator
).- Parameters:
m
- aSortedMap
to be copied into the new tree map.
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Short2LongRBTreeMap
public Short2LongRBTreeMap(Short2LongMap m)
Creates a new tree map copying a given map.- Parameters:
m
- a type-specific map to be copied into the new tree map.
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Short2LongRBTreeMap
public Short2LongRBTreeMap(Short2LongSortedMap m)
Creates a new tree map copying a given sorted map (and itsComparator
).- Parameters:
m
- a type-specific sorted map to be copied into the new tree map.
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Short2LongRBTreeMap
public Short2LongRBTreeMap(short[] k, long[] v, java.util.Comparator<? super java.lang.Short> c)
Creates a new tree map using the elements of two parallel arrays and the given comparator.- Parameters:
k
- the array of keys of the new tree map.v
- the array of corresponding values in the new tree map.c
- a (possibly type-specific) comparator.- Throws:
java.lang.IllegalArgumentException
- ifk
andv
have different lengths.
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Short2LongRBTreeMap
public Short2LongRBTreeMap(short[] k, long[] v)
Creates a new tree map using the elements of two parallel arrays.- Parameters:
k
- the array of keys of the new tree map.v
- the array of corresponding values in the new tree map.- Throws:
java.lang.IllegalArgumentException
- ifk
andv
have different lengths.
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Method Detail
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addTo
public long addTo(short k, long incr)
Adds an increment to value currently associated with a key.Note that this method respects the default return value semantics: when called with a key that does not currently appears in the map, the key will be associated with the default return value plus the given increment.
- Parameters:
k
- the key.incr
- the increment.- Returns:
- the old value, or the default return value if no value was present for the given key.
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put
public long put(short k, long v)
Description copied from interface:Short2LongFunction
Adds a pair to the map (optional operation).- Specified by:
put
in interfaceShort2LongFunction
- Parameters:
k
- the key.v
- the value.- Returns:
- the old value, or the default return value if no value was present for the given key.
- See Also:
Function.put(Object,Object)
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remove
public long remove(short k)
Description copied from interface:Short2LongFunction
Removes the mapping with the given key (optional operation).- Specified by:
remove
in interfaceShort2LongFunction
- Parameters:
k
- the key.- Returns:
- the old value, or the default return value if no value was present for the given key.
- See Also:
Function.remove(Object)
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containsValue
public boolean containsValue(long v)
Description copied from interface:Short2LongMap
Returnstrue
if this map maps one or more keys to the specified value.- Specified by:
containsValue
in interfaceShort2LongMap
- Overrides:
containsValue
in classAbstractShort2LongMap
- See Also:
Map.containsValue(Object)
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clear
public void clear()
Description copied from interface:Short2LongMap
Removes all of the mappings from this map (optional operation). The map will be empty after this call returns.- Specified by:
clear
in interfaceFunction<java.lang.Short,java.lang.Long>
- Specified by:
clear
in interfacejava.util.Map<java.lang.Short,java.lang.Long>
- Specified by:
clear
in interfaceShort2LongMap
- See Also:
Map.clear()
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containsKey
public boolean containsKey(short k)
Description copied from interface:Short2LongMap
Returns true if this function contains a mapping for the specified key.- Specified by:
containsKey
in interfaceShort2LongFunction
- Specified by:
containsKey
in interfaceShort2LongMap
- Overrides:
containsKey
in classAbstractShort2LongMap
- Parameters:
k
- the key.- Returns:
- true if this function associates a value to
key
. - See Also:
Map.containsKey(Object)
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size
public int size()
Description copied from interface:Short2LongMap
Returns the number of key/value mappings in this map. If the map contains more thanInteger.MAX_VALUE
elements, returnsInteger.MAX_VALUE
.- Specified by:
size
in interfaceFunction<java.lang.Short,java.lang.Long>
- Specified by:
size
in interfacejava.util.Map<java.lang.Short,java.lang.Long>
- Specified by:
size
in interfaceShort2LongMap
- Returns:
- the number of key-value mappings in this map.
- See Also:
Size64
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isEmpty
public boolean isEmpty()
- Specified by:
isEmpty
in interfacejava.util.Map<java.lang.Short,java.lang.Long>
- Overrides:
isEmpty
in classAbstractShort2LongMap
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get
public long get(short k)
Description copied from interface:Short2LongFunction
Returns the value to which the given key is mapped.- Specified by:
get
in interfaceShort2LongFunction
- Parameters:
k
- the key.- Returns:
- the corresponding value, or the default return value if no value was present for the given key.
- See Also:
Function.get(Object)
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firstShortKey
public short firstShortKey()
Description copied from interface:Short2LongSortedMap
Returns the first (lowest) key currently in this map.- Specified by:
firstShortKey
in interfaceShort2LongSortedMap
- See Also:
SortedMap.firstKey()
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lastShortKey
public short lastShortKey()
Description copied from interface:Short2LongSortedMap
Returns the last (highest) key currently in this map.- Specified by:
lastShortKey
in interfaceShort2LongSortedMap
- See Also:
SortedMap.lastKey()
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short2LongEntrySet
public ObjectSortedSet<Short2LongMap.Entry> short2LongEntrySet()
Description copied from interface:Short2LongSortedMap
Returns a type-specific sorted-set view of the mappings contained in this map.Note that this specification strengthens the one given in the corresponding type-specific unsorted map.
- Specified by:
short2LongEntrySet
in interfaceShort2LongMap
- Specified by:
short2LongEntrySet
in interfaceShort2LongSortedMap
- Returns:
- a type-specific sorted-set view of the mappings contained in this map.
- See Also:
Short2LongSortedMap.entrySet()
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keySet
public ShortSortedSet keySet()
Returns a type-specific sorted set view of the keys contained in this map.In addition to the semantics of
Map.keySet()
, you can safely cast the set returned by this call to a type-specific sorted set interface.- Specified by:
keySet
in interfacejava.util.Map<java.lang.Short,java.lang.Long>
- Specified by:
keySet
in interfaceShort2LongMap
- Specified by:
keySet
in interfaceShort2LongSortedMap
- Specified by:
keySet
in interfacejava.util.SortedMap<java.lang.Short,java.lang.Long>
- Overrides:
keySet
in classAbstractShort2LongSortedMap
- Returns:
- a type-specific sorted set view of the keys contained in this map.
- See Also:
Map.keySet()
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values
public LongCollection values()
Returns a type-specific collection view of the values contained in this map.In addition to the semantics of
Map.values()
, you can safely cast the collection returned by this call to a type-specific collection interface.- Specified by:
values
in interfacejava.util.Map<java.lang.Short,java.lang.Long>
- Specified by:
values
in interfaceShort2LongMap
- Specified by:
values
in interfaceShort2LongSortedMap
- Specified by:
values
in interfacejava.util.SortedMap<java.lang.Short,java.lang.Long>
- Overrides:
values
in classAbstractShort2LongSortedMap
- Returns:
- a type-specific collection view of the values contained in this map.
- See Also:
Map.values()
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comparator
public ShortComparator comparator()
Description copied from interface:Short2LongSortedMap
Returns the comparator associated with this sorted set, or null if it uses its keys' natural ordering.Note that this specification strengthens the one given in
SortedMap.comparator()
.- Specified by:
comparator
in interfaceShort2LongSortedMap
- Specified by:
comparator
in interfacejava.util.SortedMap<java.lang.Short,java.lang.Long>
- See Also:
SortedMap.comparator()
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headMap
public Short2LongSortedMap headMap(short to)
Description copied from interface:Short2LongSortedMap
Returns a view of the portion of this sorted map whose keys are strictly less thantoKey
.Note that this specification strengthens the one given in
SortedMap.headMap(Object)
.- Specified by:
headMap
in interfaceShort2LongSortedMap
- See Also:
SortedMap.headMap(Object)
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tailMap
public Short2LongSortedMap tailMap(short from)
Description copied from interface:Short2LongSortedMap
Returns a view of the portion of this sorted map whose keys are greater than or equal tofromKey
.Note that this specification strengthens the one given in
SortedMap.tailMap(Object)
.- Specified by:
tailMap
in interfaceShort2LongSortedMap
- See Also:
SortedMap.tailMap(Object)
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subMap
public Short2LongSortedMap subMap(short from, short to)
Description copied from interface:Short2LongSortedMap
Returns a view of the portion of this sorted map whose keys range fromfromKey
, inclusive, totoKey
, exclusive.Note that this specification strengthens the one given in
SortedMap.subMap(Object,Object)
.- Specified by:
subMap
in interfaceShort2LongSortedMap
- See Also:
SortedMap.subMap(Object,Object)
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clone
public Short2LongRBTreeMap clone()
Returns a deep copy of this tree map.This method performs a deep copy of this tree map; the data stored in the set, however, is not cloned. Note that this makes a difference only for object keys.
- Returns:
- a deep copy of this tree map.
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