Class Long2ShortRBTreeMap
- java.lang.Object
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- it.unimi.dsi.fastutil.longs.AbstractLong2ShortFunction
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- it.unimi.dsi.fastutil.longs.AbstractLong2ShortMap
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- it.unimi.dsi.fastutil.longs.AbstractLong2ShortSortedMap
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- it.unimi.dsi.fastutil.longs.Long2ShortRBTreeMap
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- All Implemented Interfaces:
Function<java.lang.Long,java.lang.Short>
,Long2ShortFunction
,Long2ShortMap
,Long2ShortSortedMap
,java.io.Serializable
,java.lang.Cloneable
,java.util.function.Function<java.lang.Long,java.lang.Short>
,java.util.function.LongToIntFunction
,java.util.Map<java.lang.Long,java.lang.Short>
,java.util.SortedMap<java.lang.Long,java.lang.Short>
public class Long2ShortRBTreeMap extends AbstractLong2ShortSortedMap 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.longs.AbstractLong2ShortMap
AbstractLong2ShortMap.BasicEntry, AbstractLong2ShortMap.BasicEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.longs.Long2ShortMap
Long2ShortMap.FastEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.longs.Long2ShortSortedMap
Long2ShortSortedMap.FastSortedEntrySet
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Constructor Summary
Constructors Constructor Description Long2ShortRBTreeMap()
Creates a new empty tree map.Long2ShortRBTreeMap(long[] k, short[] v)
Creates a new tree map using the elements of two parallel arrays.Long2ShortRBTreeMap(long[] k, short[] v, java.util.Comparator<? super java.lang.Long> c)
Creates a new tree map using the elements of two parallel arrays and the given comparator.Long2ShortRBTreeMap(Long2ShortMap m)
Creates a new tree map copying a given map.Long2ShortRBTreeMap(Long2ShortSortedMap m)
Creates a new tree map copying a given sorted map (and itsComparator
).Long2ShortRBTreeMap(java.util.Comparator<? super java.lang.Long> c)
Creates a new empty tree map with the given comparator.Long2ShortRBTreeMap(java.util.Map<? extends java.lang.Long,? extends java.lang.Short> m)
Creates a new tree map copying a given map.Long2ShortRBTreeMap(java.util.SortedMap<java.lang.Long,java.lang.Short> 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 short
addTo(long k, short incr)
Adds an increment to value currently associated with a key.void
clear()
Removes all of the mappings from this map (optional operation).Long2ShortRBTreeMap
clone()
Returns a deep copy of this tree map.LongComparator
comparator()
Returns the comparator associated with this sorted set, or null if it uses its keys' natural ordering.boolean
containsKey(long k)
Returns true if this function contains a mapping for the specified key.boolean
containsValue(short v)
Returnstrue
if this map maps one or more keys to the specified value.long
firstLongKey()
Returns the first (lowest) key currently in this map.short
get(long k)
Returns the value to which the given key is mapped.Long2ShortSortedMap
headMap(long to)
Returns a view of the portion of this sorted map whose keys are strictly less thantoKey
.boolean
isEmpty()
LongSortedSet
keySet()
Returns a type-specific sorted set view of the keys contained in this map.long
lastLongKey()
Returns the last (highest) key currently in this map.ObjectSortedSet<Long2ShortMap.Entry>
long2ShortEntrySet()
Returns a type-specific sorted-set view of the mappings contained in this map.short
put(long k, short v)
Adds a pair to the map (optional operation).short
remove(long k)
Removes the mapping with the given key (optional operation).int
size()
Returns the number of key/value mappings in this map.Long2ShortSortedMap
subMap(long from, long to)
Returns a view of the portion of this sorted map whose keys range fromfromKey
, inclusive, totoKey
, exclusive.Long2ShortSortedMap
tailMap(long from)
Returns a view of the portion of this sorted map whose keys are greater than or equal tofromKey
.ShortCollection
values()
Returns a type-specific collection view of the values contained in this map.-
Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLong2ShortMap
equals, hashCode, putAll, toString
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Methods inherited from class it.unimi.dsi.fastutil.longs.AbstractLong2ShortFunction
defaultReturnValue, defaultReturnValue
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Methods inherited from interface it.unimi.dsi.fastutil.longs.Long2ShortFunction
andThenByte, andThenChar, andThenDouble, andThenFloat, andThenInt, andThenLong, andThenObject, andThenReference, andThenShort, applyAsInt, composeByte, composeChar, composeDouble, composeFloat, composeInt, composeLong, composeObject, composeReference, composeShort
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Methods inherited from interface it.unimi.dsi.fastutil.longs.Long2ShortMap
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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Long2ShortRBTreeMap
public Long2ShortRBTreeMap()
Creates a new empty tree map.
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Long2ShortRBTreeMap
public Long2ShortRBTreeMap(java.util.Comparator<? super java.lang.Long> c)
Creates a new empty tree map with the given comparator.- Parameters:
c
- a (possibly type-specific) comparator.
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Long2ShortRBTreeMap
public Long2ShortRBTreeMap(java.util.Map<? extends java.lang.Long,? extends java.lang.Short> 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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Long2ShortRBTreeMap
public Long2ShortRBTreeMap(java.util.SortedMap<java.lang.Long,java.lang.Short> 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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Long2ShortRBTreeMap
public Long2ShortRBTreeMap(Long2ShortMap 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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Long2ShortRBTreeMap
public Long2ShortRBTreeMap(Long2ShortSortedMap 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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Long2ShortRBTreeMap
public Long2ShortRBTreeMap(long[] k, short[] v, java.util.Comparator<? super java.lang.Long> 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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Long2ShortRBTreeMap
public Long2ShortRBTreeMap(long[] k, short[] 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 short addTo(long k, short 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 short put(long k, short v)
Description copied from interface:Long2ShortFunction
Adds a pair to the map (optional operation).- Specified by:
put
in interfaceLong2ShortFunction
- 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 short remove(long k)
Description copied from interface:Long2ShortFunction
Removes the mapping with the given key (optional operation).- Specified by:
remove
in interfaceLong2ShortFunction
- 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(short v)
Description copied from interface:Long2ShortMap
Returnstrue
if this map maps one or more keys to the specified value.- Specified by:
containsValue
in interfaceLong2ShortMap
- Overrides:
containsValue
in classAbstractLong2ShortMap
- See Also:
Map.containsValue(Object)
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clear
public void clear()
Description copied from interface:Long2ShortMap
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.Long,java.lang.Short>
- Specified by:
clear
in interfaceLong2ShortMap
- Specified by:
clear
in interfacejava.util.Map<java.lang.Long,java.lang.Short>
- See Also:
Map.clear()
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containsKey
public boolean containsKey(long k)
Description copied from interface:Long2ShortMap
Returns true if this function contains a mapping for the specified key.- Specified by:
containsKey
in interfaceLong2ShortFunction
- Specified by:
containsKey
in interfaceLong2ShortMap
- Overrides:
containsKey
in classAbstractLong2ShortMap
- 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:Long2ShortMap
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.Long,java.lang.Short>
- Specified by:
size
in interfaceLong2ShortMap
- Specified by:
size
in interfacejava.util.Map<java.lang.Long,java.lang.Short>
- 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.Long,java.lang.Short>
- Overrides:
isEmpty
in classAbstractLong2ShortMap
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get
public short get(long k)
Description copied from interface:Long2ShortFunction
Returns the value to which the given key is mapped.- Specified by:
get
in interfaceLong2ShortFunction
- 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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firstLongKey
public long firstLongKey()
Description copied from interface:Long2ShortSortedMap
Returns the first (lowest) key currently in this map.- Specified by:
firstLongKey
in interfaceLong2ShortSortedMap
- See Also:
SortedMap.firstKey()
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lastLongKey
public long lastLongKey()
Description copied from interface:Long2ShortSortedMap
Returns the last (highest) key currently in this map.- Specified by:
lastLongKey
in interfaceLong2ShortSortedMap
- See Also:
SortedMap.lastKey()
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long2ShortEntrySet
public ObjectSortedSet<Long2ShortMap.Entry> long2ShortEntrySet()
Description copied from interface:Long2ShortSortedMap
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:
long2ShortEntrySet
in interfaceLong2ShortMap
- Specified by:
long2ShortEntrySet
in interfaceLong2ShortSortedMap
- Returns:
- a type-specific sorted-set view of the mappings contained in this map.
- See Also:
Long2ShortSortedMap.entrySet()
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keySet
public LongSortedSet 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 interfaceLong2ShortMap
- Specified by:
keySet
in interfaceLong2ShortSortedMap
- Specified by:
keySet
in interfacejava.util.Map<java.lang.Long,java.lang.Short>
- Specified by:
keySet
in interfacejava.util.SortedMap<java.lang.Long,java.lang.Short>
- Overrides:
keySet
in classAbstractLong2ShortSortedMap
- Returns:
- a type-specific sorted set view of the keys contained in this map.
- See Also:
Map.keySet()
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values
public ShortCollection 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 interfaceLong2ShortMap
- Specified by:
values
in interfaceLong2ShortSortedMap
- Specified by:
values
in interfacejava.util.Map<java.lang.Long,java.lang.Short>
- Specified by:
values
in interfacejava.util.SortedMap<java.lang.Long,java.lang.Short>
- Overrides:
values
in classAbstractLong2ShortSortedMap
- Returns:
- a type-specific collection view of the values contained in this map.
- See Also:
Map.values()
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comparator
public LongComparator comparator()
Description copied from interface:Long2ShortSortedMap
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 interfaceLong2ShortSortedMap
- Specified by:
comparator
in interfacejava.util.SortedMap<java.lang.Long,java.lang.Short>
- See Also:
SortedMap.comparator()
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headMap
public Long2ShortSortedMap headMap(long to)
Description copied from interface:Long2ShortSortedMap
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 interfaceLong2ShortSortedMap
- See Also:
SortedMap.headMap(Object)
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tailMap
public Long2ShortSortedMap tailMap(long from)
Description copied from interface:Long2ShortSortedMap
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 interfaceLong2ShortSortedMap
- See Also:
SortedMap.tailMap(Object)
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subMap
public Long2ShortSortedMap subMap(long from, long to)
Description copied from interface:Long2ShortSortedMap
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 interfaceLong2ShortSortedMap
- See Also:
SortedMap.subMap(Object,Object)
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clone
public Long2ShortRBTreeMap 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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