it.unimi.dsi.fastutil.bytes
Class Byte2DoubleRBTreeMap

java.lang.Object
  extended by it.unimi.dsi.fastutil.bytes.AbstractByte2DoubleFunction
      extended by it.unimi.dsi.fastutil.bytes.AbstractByte2DoubleMap
          extended by it.unimi.dsi.fastutil.bytes.AbstractByte2DoubleSortedMap
              extended by it.unimi.dsi.fastutil.bytes.Byte2DoubleRBTreeMap
All Implemented Interfaces:
Byte2DoubleFunction, Byte2DoubleMap, Byte2DoubleSortedMap, Function<java.lang.Byte,java.lang.Double>, java.io.Serializable, java.lang.Cloneable, java.util.Map<java.lang.Byte,java.lang.Double>, java.util.SortedMap<java.lang.Byte,java.lang.Double>

public class Byte2DoubleRBTreeMap
extends AbstractByte2DoubleSortedMap
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.bytes.AbstractByte2DoubleMap
AbstractByte2DoubleMap.BasicEntry
 
Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.bytes.Byte2DoubleSortedMap
Byte2DoubleSortedMap.FastSortedEntrySet
 
Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.bytes.Byte2DoubleMap
Byte2DoubleMap.FastEntrySet
 
Field Summary
static long serialVersionUID
           
 
Constructor Summary
Byte2DoubleRBTreeMap()
          Creates a new empty tree map.
Byte2DoubleRBTreeMap(byte[] k, double[] v)
          Creates a new tree map using the elements of two parallel arrays.
Byte2DoubleRBTreeMap(byte[] k, double[] v, java.util.Comparator<? super java.lang.Byte> c)
          Creates a new tree map using the elements of two parallel arrays and the given comparator.
Byte2DoubleRBTreeMap(Byte2DoubleMap m)
          Creates a new tree map copying a given map.
Byte2DoubleRBTreeMap(Byte2DoubleSortedMap m)
          Creates a new tree map copying a given sorted map (and its Comparator).
Byte2DoubleRBTreeMap(java.util.Comparator<? super java.lang.Byte> c)
          Creates a new empty tree map with the given comparator.
Byte2DoubleRBTreeMap(java.util.Map<? extends java.lang.Byte,? extends java.lang.Double> m)
          Creates a new tree map copying a given map.
Byte2DoubleRBTreeMap(java.util.SortedMap<java.lang.Byte,java.lang.Double> m)
          Creates a new tree map copying a given sorted map (and its Comparator).
 
Method Summary
 ObjectSortedSet<Byte2DoubleMap.Entry> byte2DoubleEntrySet()
          Returns a type-specific set view of the mappings contained in this map.
 void clear()
          Removes all associations from this function (optional operation).
 java.lang.Object clone()
          Returns a deep copy of this tree map.
 ByteComparator comparator()
          Returns the comparator associated with this sorted set, or null if it uses its keys' natural ordering.
 boolean containsKey(byte k)
          Checks whether the given value is contained in AbstractByte2DoubleMap.keySet().
 boolean containsValue(double v)
          Checks whether the given value is contained in AbstractByte2DoubleMap.values().
 byte firstByteKey()
           
 double get(byte k)
          Returns the value to which the given key is mapped.
 Byte2DoubleSortedMap headMap(byte to)
          Returns a view of the portion of this sorted map whose keys are strictly less than toKey.
 boolean isEmpty()
           
 ByteSortedSet keySet()
          Returns a type-specific sorted set view of the keys contained in this map.
 byte lastByteKey()
           
 double put(byte k, double v)
          Adds a pair to the map.
 java.lang.Double put(java.lang.Byte ok, java.lang.Double ov)
          Delegates to the corresponding type-specific method, taking care of returning null on a missing key.
 double remove(byte k)
          Removes the mapping with the given key.
 java.lang.Double remove(java.lang.Object ok)
          Delegates to the corresponding type-specific method, taking care of returning null on a missing key.
 int size()
          Returns the intended number of keys in this function, or -1 if no such number exists.
 Byte2DoubleSortedMap subMap(byte from, byte to)
          Returns a view of the portion of this sorted map whose keys range from fromKey, inclusive, to toKey, exclusive.
 Byte2DoubleSortedMap tailMap(byte from)
          Returns a view of the portion of this sorted map whose keys are greater than or equal to fromKey.
 DoubleCollection values()
          Returns a type-specific collection view of the values contained in this map.
 
Methods inherited from class it.unimi.dsi.fastutil.bytes.AbstractByte2DoubleSortedMap
entrySet, firstKey, headMap, lastKey, subMap, tailMap
 
Methods inherited from class it.unimi.dsi.fastutil.bytes.AbstractByte2DoubleMap
containsValue, equals, hashCode, putAll, toString
 
Methods inherited from class it.unimi.dsi.fastutil.bytes.AbstractByte2DoubleFunction
containsKey, defaultReturnValue, defaultReturnValue, get
 
Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface it.unimi.dsi.fastutil.bytes.Byte2DoubleFunction
defaultReturnValue, defaultReturnValue
 
Methods inherited from interface it.unimi.dsi.fastutil.Function
containsKey, get
 
Methods inherited from interface java.util.Map
containsKey, containsValue, equals, get, hashCode, putAll
 
Methods inherited from interface java.util.Map
containsKey, containsValue, equals, get, hashCode, putAll
 

Field Detail

serialVersionUID

public static final long serialVersionUID
See Also:
Constant Field Values
Constructor Detail

Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap()
Creates a new empty tree map.


Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap(java.util.Comparator<? super java.lang.Byte> c)
Creates a new empty tree map with the given comparator.

Parameters:
c - a (possibly type-specific) comparator.

Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap(java.util.Map<? extends java.lang.Byte,? extends java.lang.Double> m)
Creates a new tree map copying a given map.

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

Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap(java.util.SortedMap<java.lang.Byte,java.lang.Double> 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.

Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap(Byte2DoubleMap m)
Creates a new tree map copying a given map.

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

Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap(Byte2DoubleSortedMap 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.

Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap(byte[] k,
                            double[] v,
                            java.util.Comparator<? super java.lang.Byte> 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.

Byte2DoubleRBTreeMap

public Byte2DoubleRBTreeMap(byte[] 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 - if k and v have different lengths.
Method Detail

put

public double put(byte k,
                  double v)
Description copied from interface: Byte2DoubleFunction
Adds a pair to the map.

Specified by:
put in interface Byte2DoubleFunction
Overrides:
put in class AbstractByte2DoubleFunction
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 double remove(byte k)
Description copied from interface: Byte2DoubleFunction
Removes the mapping with the given key.

Specified by:
remove in interface Byte2DoubleFunction
Overrides:
remove in class AbstractByte2DoubleFunction
Returns:
the old value, or the default return value if no value was present for the given key.
See Also:
Function.remove(Object)

put

public java.lang.Double put(java.lang.Byte ok,
                            java.lang.Double ov)
Description copied from class: AbstractByte2DoubleFunction
Delegates to the corresponding type-specific method, taking care of returning null on a missing key.

This method must check whether the provided key is in the map using containsKey(). Thus, it probes the map twice. Implementors of subclasses should override it with a more efficient method.

Specified by:
put in interface Function<java.lang.Byte,java.lang.Double>
Specified by:
put in interface java.util.Map<java.lang.Byte,java.lang.Double>
Overrides:
put in class AbstractByte2DoubleFunction
Parameters:
ok - the key.
ov - the value.
Returns:
the old value, or null if no value was present for the given key.
See Also:
Map.put(Object,Object)

remove

public java.lang.Double remove(java.lang.Object ok)
Description copied from class: AbstractByte2DoubleFunction
Delegates to the corresponding type-specific method, taking care of returning null on a missing key.

This method must check whether the provided key is in the map using containsKey(). Thus, it probes the map twice. Implementors of subclasses should override it with a more efficient method.

Specified by:
remove in interface Function<java.lang.Byte,java.lang.Double>
Specified by:
remove in interface java.util.Map<java.lang.Byte,java.lang.Double>
Overrides:
remove in class AbstractByte2DoubleFunction
Returns:
the old value, or null if no value was present for the given key.
See Also:
Map.remove(Object)

containsValue

public boolean containsValue(double v)
Description copied from class: AbstractByte2DoubleMap
Checks whether the given value is contained in AbstractByte2DoubleMap.values().

Specified by:
containsValue in interface Byte2DoubleMap
Overrides:
containsValue in class AbstractByte2DoubleMap
See Also:
Map.containsValue(Object)

clear

public void clear()
Description copied from interface: Function
Removes all associations from this function (optional operation).

Specified by:
clear in interface Function<java.lang.Byte,java.lang.Double>
Specified by:
clear in interface java.util.Map<java.lang.Byte,java.lang.Double>
Overrides:
clear in class AbstractByte2DoubleFunction
See Also:
Map.clear()

containsKey

public boolean containsKey(byte k)
Description copied from class: AbstractByte2DoubleMap
Checks whether the given value is contained in AbstractByte2DoubleMap.keySet().

Specified by:
containsKey in interface Byte2DoubleFunction
Overrides:
containsKey in class AbstractByte2DoubleMap
See Also:
Function.containsKey(Object)

size

public int size()
Description copied from interface: Function
Returns the intended number of keys in this function, or -1 if no such number exists.

Most function implementations will have some knowledge of the intended number of keys in their domain. In some cases, however, this might not be possible.

Specified by:
size in interface Function<java.lang.Byte,java.lang.Double>
Specified by:
size in interface java.util.Map<java.lang.Byte,java.lang.Double>
Returns:
the intended number of keys in this function, or -1 if that number is not available.

isEmpty

public boolean isEmpty()
Specified by:
isEmpty in interface java.util.Map<java.lang.Byte,java.lang.Double>
Overrides:
isEmpty in class AbstractByte2DoubleMap

get

public double get(byte k)
Description copied from interface: Byte2DoubleFunction
Returns the value to which the given key is mapped.

Specified by:
get in interface Byte2DoubleFunction
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)

firstByteKey

public byte firstByteKey()
Specified by:
firstByteKey in interface Byte2DoubleSortedMap
See Also:
SortedMap.firstKey()

lastByteKey

public byte lastByteKey()
Specified by:
lastByteKey in interface Byte2DoubleSortedMap
See Also:
SortedMap.lastKey()

byte2DoubleEntrySet

public ObjectSortedSet<Byte2DoubleMap.Entry> byte2DoubleEntrySet()
Description copied from interface: Byte2DoubleMap
Returns a type-specific set view of the mappings contained in this map.

This method is necessary because there is no inheritance along type parameters: it is thus impossible to strengthen Byte2DoubleMap.entrySet() so that it returns an ObjectSet of objects of type Byte2DoubleMap.Entry (the latter makes it possible to access keys and values with type-specific methods).

Specified by:
byte2DoubleEntrySet in interface Byte2DoubleMap
Specified by:
byte2DoubleEntrySet in interface Byte2DoubleSortedMap
Returns:
a type-specific set view of the mappings contained in this map.
See Also:
Byte2DoubleMap.entrySet()

keySet

public ByteSortedSet 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 Byte2DoubleMap
Specified by:
keySet in interface Byte2DoubleSortedMap
Specified by:
keySet in interface java.util.Map<java.lang.Byte,java.lang.Double>
Overrides:
keySet in class AbstractByte2DoubleSortedMap
Returns:
a type-specific sorted set view of the keys contained in this map.
See Also:
Map.keySet()

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 interface Byte2DoubleMap
Specified by:
values in interface Byte2DoubleSortedMap
Specified by:
values in interface java.util.Map<java.lang.Byte,java.lang.Double>
Overrides:
values in class AbstractByte2DoubleSortedMap
Returns:
a type-specific collection view of the values contained in this map.
See Also:
Map.values()

comparator

public ByteComparator comparator()
Description copied from interface: Byte2DoubleSortedMap
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 Byte2DoubleSortedMap
Specified by:
comparator in interface java.util.SortedMap<java.lang.Byte,java.lang.Double>
See Also:
SortedMap.comparator()

headMap

public Byte2DoubleSortedMap headMap(byte to)
Description copied from interface: Byte2DoubleSortedMap
Returns a view of the portion of this sorted map whose keys are strictly less than toKey.

Specified by:
headMap in interface Byte2DoubleSortedMap
See Also:
SortedMap.headMap(Object)

tailMap

public Byte2DoubleSortedMap tailMap(byte from)
Description copied from interface: Byte2DoubleSortedMap
Returns a view of the portion of this sorted map whose keys are greater than or equal to fromKey.

Specified by:
tailMap in interface Byte2DoubleSortedMap
See Also:
SortedMap.tailMap(Object)

subMap

public Byte2DoubleSortedMap subMap(byte from,
                                   byte to)
Description copied from interface: Byte2DoubleSortedMap
Returns a view of the portion of this sorted map whose keys range from fromKey, inclusive, to toKey, exclusive.

Specified by:
subMap in interface Byte2DoubleSortedMap
See Also:
SortedMap.subMap(Object,Object)

clone

public java.lang.Object 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.

Overrides:
clone in class java.lang.Object
Returns:
a deep copy of this tree map.