Package it.unimi.dsi.fastutil.doubles

Class Double2CharRBTreeMap

java.lang.Object

it.unimi.dsi.fastutil.doubles.AbstractDouble2CharFunction

it.unimi.dsi.fastutil.doubles.AbstractDouble2CharMap

it.unimi.dsi.fastutil.doubles.AbstractDouble2CharSortedMap

it.unimi.dsi.fastutil.doubles.Double2CharRBTreeMap

All Implemented Interfaces:

Double2CharFunction, Double2CharMap, Double2CharSortedMap, Function<java.lang.Double,java.lang.Character>, java.io.Serializable, java.lang.Cloneable, java.util.function.DoubleToIntFunction, java.util.function.Function<java.lang.Double,java.lang.Character>, java.util.Map<java.lang.Double,java.lang.Character>, java.util.SortedMap<java.lang.Double,java.lang.Character>

public class Double2CharRBTreeMap
extends AbstractDouble2CharSortedMap
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

Nested Class Summary

Nested classes/interfaces inherited from class it.unimi.dsi.fastutil.doubles.AbstractDouble2CharMap

AbstractDouble2CharMap.BasicEntry, AbstractDouble2CharMap.BasicEntrySet

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.doubles.Double2CharMap

Double2CharMap.FastEntrySet

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.doubles.Double2CharSortedMap

Double2CharSortedMap.FastSortedEntrySet

Constructor Summary

Constructors

Constructor	Description
Double2CharRBTreeMap()	Creates a new empty tree map.
Double2CharRBTreeMap(double[] k, char[] v)	Creates a new tree map using the elements of two parallel arrays.
Double2CharRBTreeMap(double[] k, char[] v, java.util.Comparator<? super java.lang.Double> c)	Creates a new tree map using the elements of two parallel arrays and the given comparator.
Double2CharRBTreeMap(Double2CharMap m)	Creates a new tree map copying a given map.
Double2CharRBTreeMap(Double2CharSortedMap m)	Creates a new tree map copying a given sorted map (and its Comparator).
Double2CharRBTreeMap(java.util.Comparator<? super java.lang.Double> c)	Creates a new empty tree map with the given comparator.
Double2CharRBTreeMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Character> m)	Creates a new tree map copying a given map.
Double2CharRBTreeMap(java.util.SortedMap<java.lang.Double,java.lang.Character> m)	Creates a new tree map copying a given sorted map (and its Comparator).

Method Summary

Modifier and Type	Method	Description
char	addTo(double k, char incr)	Adds an increment to value currently associated with a key.
void	clear()	Removes all of the mappings from this map (optional operation).
Double2CharRBTreeMap	clone()	Returns a deep copy of this tree map.
DoubleComparator	comparator()	Returns the comparator associated with this sorted set, or null if it uses its keys' natural ordering.
boolean	containsKey(double k)	Returns true if this function contains a mapping for the specified key.
boolean	containsValue(char v)	Returns true if this map maps one or more keys to the specified value.
ObjectSortedSet<Double2CharMap.Entry>	double2CharEntrySet()	Returns a type-specific sorted-set view of the mappings contained in this map.
double	firstDoubleKey()	Returns the first (lowest) key currently in this map.
char	get(double k)	Returns the value to which the given key is mapped.
Double2CharSortedMap	headMap(double to)	Returns a view of the portion of this sorted map whose keys are strictly less than toKey.
boolean	isEmpty()
DoubleSortedSet	keySet()	Returns a type-specific sorted set view of the keys contained in this map.
double	lastDoubleKey()	Returns the last (highest) key currently in this map.
char	put(double k, char v)	Adds a pair to the map (optional operation).
char	remove(double k)	Removes the mapping with the given key (optional operation).
int	size()	Returns the number of key/value mappings in this map.
Double2CharSortedMap	subMap(double from, double to)	Returns a view of the portion of this sorted map whose keys range from fromKey, inclusive, to toKey, exclusive.
Double2CharSortedMap	tailMap(double from)	Returns a view of the portion of this sorted map whose keys are greater than or equal to fromKey.
CharCollection	values()	Returns a type-specific collection view of the values contained in this map.

Methods inherited from class it.unimi.dsi.fastutil.doubles.AbstractDouble2CharFunction

defaultReturnValue, defaultReturnValue

Methods inherited from class it.unimi.dsi.fastutil.doubles.AbstractDouble2CharMap

equals, hashCode, putAll, toString

Methods inherited from interface it.unimi.dsi.fastutil.doubles.Double2CharFunction

applyAsInt

Methods inherited from interface it.unimi.dsi.fastutil.doubles.Double2CharMap

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

Methods inherited from interface it.unimi.dsi.fastutil.doubles.Double2CharSortedMap

entrySet, firstKey, headMap, lastKey, subMap, tailMap

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

apply

Methods inherited from interface java.util.function.Function

andThen, compose

Methods inherited from interface java.util.Map

equals, forEach, hashCode, putAll, replaceAll

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Double2CharRBTreeMap

public Double2CharRBTreeMap()

Creates a new empty tree map.

Double2CharRBTreeMap

public Double2CharRBTreeMap(java.util.Comparator<? super java.lang.Double> c)

Creates a new empty tree map with the given comparator.

Parameters:

c - a (possibly type-specific) comparator.

Double2CharRBTreeMap

public Double2CharRBTreeMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Character> m)

Creates a new tree map copying a given map.

Parameters:

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

Double2CharRBTreeMap

public Double2CharRBTreeMap(java.util.SortedMap<java.lang.Double,java.lang.Character> 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.

Double2CharRBTreeMap

public Double2CharRBTreeMap(Double2CharMap m)

Creates a new tree map copying a given map.

Parameters:

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

Double2CharRBTreeMap

public Double2CharRBTreeMap(Double2CharSortedMap 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.

Double2CharRBTreeMap

public Double2CharRBTreeMap(double[] k,
                            char[] v,
                            java.util.Comparator<? super java.lang.Double> 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 - if k and v have different lengths.

Double2CharRBTreeMap

public Double2CharRBTreeMap(double[] k,
                            char[] 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 - if k and v have different lengths.

Method Detail

addTo

public char addTo(double k,
                  char 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 char put(double k,
                char v)

Description copied from interface: Double2CharFunction

Adds a pair to the map (optional operation).

Specified by:

put in interface Double2CharFunction

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 char remove(double k)

Description copied from interface: Double2CharFunction

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

Specified by:

remove in interface Double2CharFunction

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(char v)

Description copied from interface: Double2CharMap

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

Specified by:

containsValue in interface Double2CharMap

Overrides:

containsValue in class AbstractDouble2CharMap

See Also:

Map.containsValue(Object)

clear

public void clear()

Description copied from interface: Double2CharMap

Removes all of the mappings from this map (optional operation). The map will be empty after this call returns.

Specified by:

clear in interface Double2CharMap

Specified by:

clear in interface Function<java.lang.Double,java.lang.Character>

Specified by:

clear in interface java.util.Map<java.lang.Double,java.lang.Character>

See Also:

Map.clear()

containsKey

public boolean containsKey(double k)

Description copied from interface: Double2CharMap

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

Specified by:

containsKey in interface Double2CharFunction

Specified by:

containsKey in interface Double2CharMap

Overrides:

containsKey in class AbstractDouble2CharMap

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: Double2CharMap

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 Double2CharMap

Specified by:

size in interface Function<java.lang.Double,java.lang.Character>

Specified by:

size in interface java.util.Map<java.lang.Double,java.lang.Character>

Returns:

the number of key-value mappings in this map.

See Also:

Size64

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<java.lang.Double,java.lang.Character>

Overrides:

isEmpty in class AbstractDouble2CharMap

get

public char get(double k)

Description copied from interface: Double2CharFunction

Returns the value to which the given key is mapped.

Specified by:

get in interface Double2CharFunction

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)

firstDoubleKey

public double firstDoubleKey()

Description copied from interface: Double2CharSortedMap

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

Specified by:

firstDoubleKey in interface Double2CharSortedMap

See Also:

SortedMap.firstKey()

lastDoubleKey

public double lastDoubleKey()

Description copied from interface: Double2CharSortedMap

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

Specified by:

lastDoubleKey in interface Double2CharSortedMap

See Also:

SortedMap.lastKey()

double2CharEntrySet

public ObjectSortedSet<Double2CharMap.Entry> double2CharEntrySet()

Description copied from interface: Double2CharSortedMap

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:

double2CharEntrySet in interface Double2CharMap

Specified by:

double2CharEntrySet in interface Double2CharSortedMap

Returns:

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

See Also:

Double2CharSortedMap.entrySet()

keySet

public DoubleSortedSet 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 Double2CharMap

Specified by:

keySet in interface Double2CharSortedMap

Specified by:

keySet in interface java.util.Map<java.lang.Double,java.lang.Character>

Specified by:

keySet in interface java.util.SortedMap<java.lang.Double,java.lang.Character>

Overrides:

keySet in class AbstractDouble2CharSortedMap

Returns:

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

See Also:

Map.keySet()

values

public CharCollection 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 Double2CharMap

Specified by:

values in interface Double2CharSortedMap

Specified by:

values in interface java.util.Map<java.lang.Double,java.lang.Character>

Specified by:

values in interface java.util.SortedMap<java.lang.Double,java.lang.Character>

Overrides:

values in class AbstractDouble2CharSortedMap

Returns:

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

See Also:

Map.values()

comparator

public DoubleComparator comparator()

Description copied from interface: Double2CharSortedMap

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 interface Double2CharSortedMap

Specified by:

comparator in interface java.util.SortedMap<java.lang.Double,java.lang.Character>

See Also:

SortedMap.comparator()

headMap

public Double2CharSortedMap headMap(double to)

Description copied from interface: Double2CharSortedMap

Returns a view of the portion of this sorted map whose keys are strictly less than toKey.

Note that this specification strengthens the one given in SortedMap.headMap(Object).

Specified by:

headMap in interface Double2CharSortedMap

See Also:

SortedMap.headMap(Object)

tailMap

public Double2CharSortedMap tailMap(double from)

Description copied from interface: Double2CharSortedMap

Returns a view of the portion of this sorted map whose keys are greater than or equal to fromKey.

Note that this specification strengthens the one given in SortedMap.tailMap(Object).

Specified by:

tailMap in interface Double2CharSortedMap

See Also:

SortedMap.tailMap(Object)

subMap

public Double2CharSortedMap subMap(double from,
                                   double to)

Description copied from interface: Double2CharSortedMap

Returns a view of the portion of this sorted map whose keys range from fromKey, inclusive, to toKey, exclusive.

Note that this specification strengthens the one given in SortedMap.subMap(Object,Object).

Specified by:

subMap in interface Double2CharSortedMap

See Also:

SortedMap.subMap(Object,Object)

clone

public Double2CharRBTreeMap 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.