Class Short2ByteRBTreeMap
- java.lang.Object
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- it.unimi.dsi.fastutil.shorts.AbstractShort2ByteFunction
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- it.unimi.dsi.fastutil.shorts.AbstractShort2ByteMap
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- it.unimi.dsi.fastutil.shorts.AbstractShort2ByteSortedMap
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- it.unimi.dsi.fastutil.shorts.Short2ByteRBTreeMap
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- All Implemented Interfaces:
Function<Short,Byte>
,Short2ByteFunction
,Short2ByteMap
,Short2ByteSortedMap
,Serializable
,Cloneable
,Function<Short,Byte>
,IntUnaryOperator
,Map<Short,Byte>
,SortedMap<Short,Byte>
public class Short2ByteRBTreeMap extends AbstractShort2ByteSortedMap implements Serializable, 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.AbstractShort2ByteMap
AbstractShort2ByteMap.BasicEntry, AbstractShort2ByteMap.BasicEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.shorts.Short2ByteMap
Short2ByteMap.FastEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.shorts.Short2ByteSortedMap
Short2ByteSortedMap.FastSortedEntrySet
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Constructor Summary
Constructors Constructor Description Short2ByteRBTreeMap()
Creates a new empty tree map.Short2ByteRBTreeMap(short[] k, byte[] v)
Creates a new tree map using the elements of two parallel arrays.Short2ByteRBTreeMap(short[] k, byte[] v, Comparator<? super Short> c)
Creates a new tree map using the elements of two parallel arrays and the given comparator.Short2ByteRBTreeMap(Short2ByteMap m)
Creates a new tree map copying a given map.Short2ByteRBTreeMap(Short2ByteSortedMap m)
Creates a new tree map copying a given sorted map (and itsComparator
).Short2ByteRBTreeMap(Comparator<? super Short> c)
Creates a new empty tree map with the given comparator.Short2ByteRBTreeMap(Map<? extends Short,? extends Byte> m)
Creates a new tree map copying a given map.Short2ByteRBTreeMap(SortedMap<Short,Byte> 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 byte
addTo(short k, byte incr)
Adds an increment to value currently associated with a key.void
clear()
Removes all of the mappings from this map (optional operation).Short2ByteRBTreeMap
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(byte 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.byte
get(short k)
Returns the value to which the given key is mapped.Short2ByteSortedMap
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.byte
put(short k, byte v)
Adds a pair to the map (optional operation).byte
remove(short k)
Removes the mapping with the given key (optional operation).ObjectSortedSet<Short2ByteMap.Entry>
short2ByteEntrySet()
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.Short2ByteSortedMap
subMap(short from, short to)
Returns a view of the portion of this sorted map whose keys range fromfromKey
, inclusive, totoKey
, exclusive.Short2ByteSortedMap
tailMap(short from)
Returns a view of the portion of this sorted map whose keys are greater than or equal tofromKey
.ByteCollection
values()
Returns a type-specific collection view of the values contained in this map.-
Methods inherited from class it.unimi.dsi.fastutil.shorts.AbstractShort2ByteMap
equals, hashCode, putAll, toString
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Methods inherited from class it.unimi.dsi.fastutil.shorts.AbstractShort2ByteFunction
defaultReturnValue, defaultReturnValue
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Methods inherited from interface java.util.function.IntUnaryOperator
andThen, compose
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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.Short2ByteFunction
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.shorts.Short2ByteMap
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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Short2ByteRBTreeMap
public Short2ByteRBTreeMap()
Creates a new empty tree map.
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Short2ByteRBTreeMap
public Short2ByteRBTreeMap(Comparator<? super Short> c)
Creates a new empty tree map with the given comparator.- Parameters:
c
- a (possibly type-specific) comparator.
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Short2ByteRBTreeMap
public Short2ByteRBTreeMap(Map<? extends Short,? extends Byte> 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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Short2ByteRBTreeMap
public Short2ByteRBTreeMap(SortedMap<Short,Byte> 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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Short2ByteRBTreeMap
public Short2ByteRBTreeMap(Short2ByteMap 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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Short2ByteRBTreeMap
public Short2ByteRBTreeMap(Short2ByteSortedMap 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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Short2ByteRBTreeMap
public Short2ByteRBTreeMap(short[] k, byte[] v, Comparator<? super 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:
IllegalArgumentException
- ifk
andv
have different lengths.
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Short2ByteRBTreeMap
public Short2ByteRBTreeMap(short[] k, byte[] 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:
IllegalArgumentException
- ifk
andv
have different lengths.
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Method Detail
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addTo
public byte addTo(short k, byte 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 byte put(short k, byte v)
Description copied from interface:Short2ByteFunction
Adds a pair to the map (optional operation).- Specified by:
put
in interfaceShort2ByteFunction
- 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 byte remove(short k)
Description copied from interface:Short2ByteFunction
Removes the mapping with the given key (optional operation).- Specified by:
remove
in interfaceShort2ByteFunction
- 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(byte v)
Description copied from interface:Short2ByteMap
Returnstrue
if this map maps one or more keys to the specified value.- Specified by:
containsValue
in interfaceShort2ByteMap
- Overrides:
containsValue
in classAbstractShort2ByteMap
- See Also:
Map.containsValue(Object)
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clear
public void clear()
Description copied from interface:Short2ByteMap
Removes all of the mappings from this map (optional operation). The map will be empty after this call returns.
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containsKey
public boolean containsKey(short k)
Description copied from interface:Short2ByteMap
Returns true if this function contains a mapping for the specified key.- Specified by:
containsKey
in interfaceShort2ByteFunction
- Specified by:
containsKey
in interfaceShort2ByteMap
- Overrides:
containsKey
in classAbstractShort2ByteMap
- 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:Short2ByteMap
Returns the number of key/value mappings in this map. If the map contains more thanInteger.MAX_VALUE
elements, returnsInteger.MAX_VALUE
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isEmpty
public boolean isEmpty()
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get
public byte get(short k)
Description copied from interface:Short2ByteFunction
Returns the value to which the given key is mapped.- Specified by:
get
in interfaceShort2ByteFunction
- 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:Short2ByteSortedMap
Returns the first (lowest) key currently in this map.- Specified by:
firstShortKey
in interfaceShort2ByteSortedMap
- See Also:
SortedMap.firstKey()
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lastShortKey
public short lastShortKey()
Description copied from interface:Short2ByteSortedMap
Returns the last (highest) key currently in this map.- Specified by:
lastShortKey
in interfaceShort2ByteSortedMap
- See Also:
SortedMap.lastKey()
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short2ByteEntrySet
public ObjectSortedSet<Short2ByteMap.Entry> short2ByteEntrySet()
Description copied from interface:Short2ByteSortedMap
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:
short2ByteEntrySet
in interfaceShort2ByteMap
- Specified by:
short2ByteEntrySet
in interfaceShort2ByteSortedMap
- Returns:
- a type-specific sorted-set view of the mappings contained in this map.
- See Also:
Short2ByteSortedMap.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 interfaceMap<Short,Byte>
- Specified by:
keySet
in interfaceShort2ByteMap
- Specified by:
keySet
in interfaceShort2ByteSortedMap
- Specified by:
keySet
in interfaceSortedMap<Short,Byte>
- Overrides:
keySet
in classAbstractShort2ByteSortedMap
- Returns:
- a type-specific sorted set view of the keys contained in this map.
- See Also:
Map.keySet()
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values
public ByteCollection 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 interfaceMap<Short,Byte>
- Specified by:
values
in interfaceShort2ByteMap
- Specified by:
values
in interfaceShort2ByteSortedMap
- Specified by:
values
in interfaceSortedMap<Short,Byte>
- Overrides:
values
in classAbstractShort2ByteSortedMap
- 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:Short2ByteSortedMap
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 interfaceShort2ByteSortedMap
- Specified by:
comparator
in interfaceSortedMap<Short,Byte>
- See Also:
SortedMap.comparator()
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headMap
public Short2ByteSortedMap headMap(short to)
Description copied from interface:Short2ByteSortedMap
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 interfaceShort2ByteSortedMap
- See Also:
SortedMap.headMap(Object)
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tailMap
public Short2ByteSortedMap tailMap(short from)
Description copied from interface:Short2ByteSortedMap
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 interfaceShort2ByteSortedMap
- See Also:
SortedMap.tailMap(Object)
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subMap
public Short2ByteSortedMap subMap(short from, short to)
Description copied from interface:Short2ByteSortedMap
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 interfaceShort2ByteSortedMap
- See Also:
SortedMap.subMap(Object,Object)
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clone
public Short2ByteRBTreeMap 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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