Package it.unimi.dsi.fastutil.shorts

Class Short2ByteRBTreeMap

java.lang.Object

it.unimi.dsi.fastutil.shorts.AbstractShort2ByteFunction

it.unimi.dsi.fastutil.shorts.AbstractShort2ByteMap

it.unimi.dsi.fastutil.shorts.AbstractShort2ByteSortedMap

it.unimi.dsi.fastutil.shorts.Short2ByteRBTreeMap

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

Nested Class Summary

Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.shorts.AbstractShort2ByteMap

AbstractShort2ByteMap.BasicEntry, AbstractShort2ByteMap.BasicEntrySet

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.shorts.Short2ByteMap

Short2ByteMap.FastEntrySet

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.shorts.Short2ByteSortedMap

Short2ByteSortedMap.FastSortedEntrySet

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 its Comparator).
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 its Comparator).

Method Summary

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)	Returns true 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 than toKey.
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 from fromKey, inclusive, to toKey, exclusive.
Short2ByteSortedMap	tailMap(short from)	Returns a view of the portion of this sorted map whose keys are greater than or equal to fromKey.
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

Methods inherited from class it.unimi.dsi.fastutil.shorts.AbstractShort2ByteFunction

defaultReturnValue, defaultReturnValue

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.Function

apply

Methods inherited from interface java.util.function.IntUnaryOperator

andThen, compose

Methods inherited from interface java.util.Map

containsKey, equals, get, getOrDefault, hashCode, put, putAll, remove, replaceAll

Methods inherited from interface it.unimi.dsi.fastutil.shorts.Short2ByteFunction

andThen, andThenByte, andThenChar, andThenDouble, andThenFloat, andThenInt, andThenLong, andThenObject, andThenReference, andThenShort, applyAsInt, compose, composeByte, composeChar, composeDouble, composeFloat, composeInt, composeLong, composeObject, composeReference, composeShort

Methods inherited from interface it.unimi.dsi.fastutil.shorts.Short2ByteMap

compute, compute, computeIfAbsent, computeIfAbsent, computeIfAbsent, computeIfAbsentNullable, computeIfAbsentPartial, computeIfPresent, computeIfPresent, containsKey, containsValue, defaultReturnValue, defaultReturnValue, forEach, get, getOrDefault, getOrDefault, merge, merge, mergeByte, mergeByte, put, putIfAbsent, putIfAbsent, remove, remove, remove, replace, replace, replace, replace

Methods inherited from interface it.unimi.dsi.fastutil.shorts.Short2ByteSortedMap

entrySet, firstKey, headMap, lastKey, subMap, tailMap

Constructor Details

Short2ByteRBTreeMap

public Short2ByteRBTreeMap()

Creates a new empty tree map.

Short2ByteRBTreeMap

public Short2ByteRBTreeMap(Comparator<? super Short> c)

Creates a new empty tree map with the given comparator.

Parameters:

c - a (possibly type-specific) comparator.

Short2ByteRBTreeMap

public Short2ByteRBTreeMap(Map<? extends Short,? extends Byte> m)

Creates a new tree map copying a given map.

Parameters:

m - a Map to be copied into the new tree map.

Short2ByteRBTreeMap

public Short2ByteRBTreeMap(SortedMap<Short,Byte> m)

Creates a new tree map copying a given sorted map (and its Comparator).

Parameters:

m - a SortedMap to be copied into the new tree map.

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.

Short2ByteRBTreeMap

public Short2ByteRBTreeMap(Short2ByteSortedMap m)

Creates a new tree map copying a given sorted map (and its Comparator).

Parameters:

m - a type-specific sorted map to be copied into the new tree map.

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 - if k and v have different lengths.

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 - if k and v have different lengths.

Method Details

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.

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 interface Short2ByteFunction

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)

remove

public byte remove(short k)

Description copied from interface: Short2ByteFunction

Removes the mapping with the given key (optional operation).

Specified by:

remove in interface Short2ByteFunction

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)

containsValue

public boolean containsValue(byte v)

Description copied from class: AbstractShort2ByteMap

Returns true if this map maps one or more keys to the specified value.

Specified by:

containsValue in interface Short2ByteMap

Overrides:

containsValue in class AbstractShort2ByteMap

See Also:

• Map.containsValue(Object)

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.

Specified by:

clear in interface Function<Short,Byte>

Specified by:

clear in interface Map<Short,Byte>

Specified by:

clear in interface Short2ByteMap

See Also:

• Map.clear()

containsKey

public boolean containsKey(short k)

Description copied from class: AbstractShort2ByteMap

Returns true if this function contains a mapping for the specified key.

Specified by:

containsKey in interface Short2ByteFunction

Specified by:

containsKey in interface Short2ByteMap

Overrides:

containsKey in class AbstractShort2ByteMap

Parameters:

k - the key.

Returns:

true if this function associates a value to key.

See Also:

• Map.containsKey(Object)

size

public int size()

Description copied from interface: Short2ByteMap

Returns the number of key/value mappings in this map. If the map contains more than Integer.MAX_VALUE elements, returns Integer.MAX_VALUE.

Specified by:

size in interface Function<Short,Byte>

Specified by:

size in interface Map<Short,Byte>

Specified by:

size in interface Short2ByteMap

Returns:

the number of key-value mappings in this map.

See Also:

• Size64

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<Short,Byte>

Overrides:

isEmpty in class AbstractShort2ByteMap

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 interface Short2ByteFunction

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)

firstShortKey

public short firstShortKey()

Description copied from interface: Short2ByteSortedMap

Returns the first (lowest) key currently in this map.

Specified by:

firstShortKey in interface Short2ByteSortedMap

See Also:

• SortedMap.firstKey()

lastShortKey

public short lastShortKey()

Description copied from interface: Short2ByteSortedMap

Returns the last (highest) key currently in this map.

Specified by:

lastShortKey in interface Short2ByteSortedMap

See Also:

• SortedMap.lastKey()

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.

Specified by:

short2ByteEntrySet in interface Short2ByteMap

Specified by:

short2ByteEntrySet in interface Short2ByteSortedMap

Returns:

a type-specific sorted-set view of the mappings contained in this map.

See Also:

• Short2ByteSortedMap.entrySet()

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 interface Map<Short,Byte>

Specified by:

keySet in interface Short2ByteMap

Specified by:

keySet in interface Short2ByteSortedMap

Specified by:

keySet in interface SortedMap<Short,Byte>

Overrides:

keySet in class AbstractShort2ByteSortedMap

Returns:

a type-specific sorted set view of the keys contained in this map.

See Also:

• Map.keySet()

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 interface Map<Short,Byte>

Specified by:

values in interface Short2ByteMap

Specified by:

values in interface Short2ByteSortedMap

Specified by:

values in interface SortedMap<Short,Byte>

Overrides:

values in class AbstractShort2ByteSortedMap

Returns:

a type-specific collection view of the values contained in this map.

See Also:

• Map.values()

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.

Specified by:

comparator in interface Short2ByteSortedMap

Specified by:

comparator in interface SortedMap<Short,Byte>

See Also:

• SortedMap.comparator()

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 than toKey.

Specified by:

headMap in interface Short2ByteSortedMap

See Also:

• SortedMap.headMap(Object)

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 to fromKey.

Specified by:

tailMap in interface Short2ByteSortedMap

See Also:

• SortedMap.tailMap(Object)

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 from fromKey, inclusive, to toKey, exclusive.

Specified by:

subMap in interface Short2ByteSortedMap

See Also:

• SortedMap.subMap(Object,Object)

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.