Class Double2DoubleRBTreeMap
- java.lang.Object
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- it.unimi.dsi.fastutil.doubles.AbstractDouble2DoubleFunction
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- it.unimi.dsi.fastutil.doubles.AbstractDouble2DoubleMap
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- it.unimi.dsi.fastutil.doubles.AbstractDouble2DoubleSortedMap
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- it.unimi.dsi.fastutil.doubles.Double2DoubleRBTreeMap
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- All Implemented Interfaces:
Double2DoubleFunction
,Double2DoubleMap
,Double2DoubleSortedMap
,Function<java.lang.Double,java.lang.Double>
,java.io.Serializable
,java.lang.Cloneable
,java.util.function.DoubleUnaryOperator
,java.util.function.Function<java.lang.Double,java.lang.Double>
,java.util.Map<java.lang.Double,java.lang.Double>
,java.util.SortedMap<java.lang.Double,java.lang.Double>
public class Double2DoubleRBTreeMap extends AbstractDouble2DoubleSortedMap 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.doubles.AbstractDouble2DoubleMap
AbstractDouble2DoubleMap.BasicEntry, AbstractDouble2DoubleMap.BasicEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.doubles.Double2DoubleMap
Double2DoubleMap.FastEntrySet
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Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.doubles.Double2DoubleSortedMap
Double2DoubleSortedMap.FastSortedEntrySet
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Constructor Summary
Constructors Constructor Description Double2DoubleRBTreeMap()
Creates a new empty tree map.Double2DoubleRBTreeMap(double[] k, double[] v)
Creates a new tree map using the elements of two parallel arrays.Double2DoubleRBTreeMap(double[] k, double[] 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.Double2DoubleRBTreeMap(Double2DoubleMap m)
Creates a new tree map copying a given map.Double2DoubleRBTreeMap(Double2DoubleSortedMap m)
Creates a new tree map copying a given sorted map (and itsComparator
).Double2DoubleRBTreeMap(java.util.Comparator<? super java.lang.Double> c)
Creates a new empty tree map with the given comparator.Double2DoubleRBTreeMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Double> m)
Creates a new tree map copying a given map.Double2DoubleRBTreeMap(java.util.SortedMap<java.lang.Double,java.lang.Double> 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 double
addTo(double k, double incr)
Adds an increment to value currently associated with a key.void
clear()
Removes all of the mappings from this map (optional operation).Double2DoubleRBTreeMap
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(double v)
Returnstrue
if this map maps one or more keys to the specified value.ObjectSortedSet<Double2DoubleMap.Entry>
double2DoubleEntrySet()
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.double
get(double k)
Returns the value to which the given key is mapped.Double2DoubleSortedMap
headMap(double to)
Returns a view of the portion of this sorted map whose keys are strictly less thantoKey
.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.double
put(double k, double v)
Adds a pair to the map (optional operation).double
remove(double k)
Removes the mapping with the given key (optional operation).int
size()
Returns the number of key/value mappings in this map.Double2DoubleSortedMap
subMap(double from, double to)
Returns a view of the portion of this sorted map whose keys range fromfromKey
, inclusive, totoKey
, exclusive.Double2DoubleSortedMap
tailMap(double from)
Returns a view of the portion of this sorted map whose keys are greater than or equal tofromKey
.DoubleCollection
values()
Returns a type-specific collection view of the values contained in this map.-
Methods inherited from class it.unimi.dsi.fastutil.doubles.AbstractDouble2DoubleMap
equals, hashCode, putAll, toString
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Methods inherited from class it.unimi.dsi.fastutil.doubles.AbstractDouble2DoubleFunction
defaultReturnValue, defaultReturnValue
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Methods inherited from interface it.unimi.dsi.fastutil.doubles.Double2DoubleFunction
andThen, andThen, andThen, andThen, andThen, andThen, andThen, andThen, andThen, applyAsDouble, compose, compose, compose, compose, compose, compose, compose, compose, compose
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Methods inherited from interface it.unimi.dsi.fastutil.doubles.Double2DoubleMap
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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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap()
Creates a new empty tree map.
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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap(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.
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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap(java.util.Map<? extends java.lang.Double,? extends java.lang.Double> 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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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap(java.util.SortedMap<java.lang.Double,java.lang.Double> 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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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap(Double2DoubleMap 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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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap(Double2DoubleSortedMap 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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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap(double[] k, double[] 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
- ifk
andv
have different lengths.
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Double2DoubleRBTreeMap
public Double2DoubleRBTreeMap(double[] k, double[] 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 double addTo(double k, double 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 double put(double k, double v)
Description copied from interface:Double2DoubleFunction
Adds a pair to the map (optional operation).- Specified by:
put
in interfaceDouble2DoubleFunction
- 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 double remove(double k)
Description copied from interface:Double2DoubleFunction
Removes the mapping with the given key (optional operation).- Specified by:
remove
in interfaceDouble2DoubleFunction
- 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(double v)
Description copied from interface:Double2DoubleMap
Returnstrue
if this map maps one or more keys to the specified value.- Specified by:
containsValue
in interfaceDouble2DoubleMap
- Overrides:
containsValue
in classAbstractDouble2DoubleMap
- See Also:
Map.containsValue(Object)
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clear
public void clear()
Description copied from interface:Double2DoubleMap
Removes all of the mappings from this map (optional operation). The map will be empty after this call returns.- Specified by:
clear
in interfaceDouble2DoubleMap
- Specified by:
clear
in interfaceFunction<java.lang.Double,java.lang.Double>
- Specified by:
clear
in interfacejava.util.Map<java.lang.Double,java.lang.Double>
- See Also:
Map.clear()
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containsKey
public boolean containsKey(double k)
Description copied from interface:Double2DoubleMap
Returns true if this function contains a mapping for the specified key.- Specified by:
containsKey
in interfaceDouble2DoubleFunction
- Specified by:
containsKey
in interfaceDouble2DoubleMap
- Overrides:
containsKey
in classAbstractDouble2DoubleMap
- 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:Double2DoubleMap
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 interfaceDouble2DoubleMap
- Specified by:
size
in interfaceFunction<java.lang.Double,java.lang.Double>
- Specified by:
size
in interfacejava.util.Map<java.lang.Double,java.lang.Double>
- 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.Double,java.lang.Double>
- Overrides:
isEmpty
in classAbstractDouble2DoubleMap
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get
public double get(double k)
Description copied from interface:Double2DoubleFunction
Returns the value to which the given key is mapped.- Specified by:
get
in interfaceDouble2DoubleFunction
- 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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firstDoubleKey
public double firstDoubleKey()
Description copied from interface:Double2DoubleSortedMap
Returns the first (lowest) key currently in this map.- Specified by:
firstDoubleKey
in interfaceDouble2DoubleSortedMap
- See Also:
SortedMap.firstKey()
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lastDoubleKey
public double lastDoubleKey()
Description copied from interface:Double2DoubleSortedMap
Returns the last (highest) key currently in this map.- Specified by:
lastDoubleKey
in interfaceDouble2DoubleSortedMap
- See Also:
SortedMap.lastKey()
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double2DoubleEntrySet
public ObjectSortedSet<Double2DoubleMap.Entry> double2DoubleEntrySet()
Description copied from interface:Double2DoubleSortedMap
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:
double2DoubleEntrySet
in interfaceDouble2DoubleMap
- Specified by:
double2DoubleEntrySet
in interfaceDouble2DoubleSortedMap
- Returns:
- a type-specific sorted-set view of the mappings contained in this map.
- See Also:
Double2DoubleSortedMap.entrySet()
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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 interfaceDouble2DoubleMap
- Specified by:
keySet
in interfaceDouble2DoubleSortedMap
- Specified by:
keySet
in interfacejava.util.Map<java.lang.Double,java.lang.Double>
- Specified by:
keySet
in interfacejava.util.SortedMap<java.lang.Double,java.lang.Double>
- Overrides:
keySet
in classAbstractDouble2DoubleSortedMap
- Returns:
- a type-specific sorted set view of the keys contained in this map.
- See Also:
Map.keySet()
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values
public DoubleCollection 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 interfaceDouble2DoubleMap
- Specified by:
values
in interfaceDouble2DoubleSortedMap
- Specified by:
values
in interfacejava.util.Map<java.lang.Double,java.lang.Double>
- Specified by:
values
in interfacejava.util.SortedMap<java.lang.Double,java.lang.Double>
- Overrides:
values
in classAbstractDouble2DoubleSortedMap
- Returns:
- a type-specific collection view of the values contained in this map.
- See Also:
Map.values()
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comparator
public DoubleComparator comparator()
Description copied from interface:Double2DoubleSortedMap
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 interfaceDouble2DoubleSortedMap
- Specified by:
comparator
in interfacejava.util.SortedMap<java.lang.Double,java.lang.Double>
- See Also:
SortedMap.comparator()
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headMap
public Double2DoubleSortedMap headMap(double to)
Description copied from interface:Double2DoubleSortedMap
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 interfaceDouble2DoubleSortedMap
- See Also:
SortedMap.headMap(Object)
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tailMap
public Double2DoubleSortedMap tailMap(double from)
Description copied from interface:Double2DoubleSortedMap
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 interfaceDouble2DoubleSortedMap
- See Also:
SortedMap.tailMap(Object)
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subMap
public Double2DoubleSortedMap subMap(double from, double to)
Description copied from interface:Double2DoubleSortedMap
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 interfaceDouble2DoubleSortedMap
- See Also:
SortedMap.subMap(Object,Object)
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clone
public Double2DoubleRBTreeMap 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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