it.unimi.dsi.fastutil.doubles
Class Double2CharSortedMaps

java.lang.Object
  extended byit.unimi.dsi.fastutil.doubles.Double2CharSortedMaps

public class Double2CharSortedMaps
extends Object

A class providing static methods and objects that do useful things with type-specific sorted maps.

See Also:
Collections

Nested Class Summary
static class Double2CharSortedMaps.EmptySortedMap
          An immutable class representing an empty type-specific sorted map.
static class Double2CharSortedMaps.Singleton
          An immutable class representing a type-specific singleton sorted map.
static class Double2CharSortedMaps.SynchronizedSortedMap
          A synchronized wrapper class for sorted maps.
 
Field Summary
static Double2CharSortedMaps.EmptySortedMap EMPTY_MAP
          An empty type-specific sorted map (immutable).
 
Method Summary
static Double2CharSortedMap singleton(double key, char value)
          Returns a type-specific immutable sorted map containing only the specified pair.
static Double2CharSortedMap singleton(double key, char value, DoubleComparator comparator)
          Returns a type-specific immutable sorted map containing only the specified pair.
static Double2CharSortedMap singleton(Object key, Object value)
          Returns a type-specific immutable sorted map containing only the specified pair.
static Double2CharSortedMap singleton(Object key, Object value, DoubleComparator comparator)
          Returns a type-specific immutable sorted map containing only the specified pair.
static Double2CharSortedMap synchronize(Double2CharSortedMap m)
          Returns a synchronized type-specific sorted map backed by the given type-specific sorted map.
static Double2CharSortedMap synchronize(Double2CharSortedMap m, Object sync)
          Returns a synchronized type-specific sorted map backed by the given type-specific sorted map, using an assigned object to synchronize.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

EMPTY_MAP

public static final Double2CharSortedMaps.EmptySortedMap EMPTY_MAP
An empty type-specific sorted map (immutable). It is serializable and cloneable.

Method Detail

singleton

public static Double2CharSortedMap singleton(double key,
                                             char value)
Returns a type-specific immutable sorted map containing only the specified pair. The returned sorted map is serializable and cloneable.

Note that albeit the returned map is immutable, its default return value may be changed.

Parameters:
key - the only key of the returned sorted map.
value - the only value of the returned sorted map.
Returns:
a type-specific immutable sorted map containing just the pair <key,value>.

singleton

public static Double2CharSortedMap singleton(double key,
                                             char value,
                                             DoubleComparator comparator)
Returns a type-specific immutable sorted map containing only the specified pair. The returned sorted map is serializable and cloneable.

Note that albeit the returned map is immutable, its default return value may be changed.

Parameters:
key - the only key of the returned sorted map.
value - the only value of the returned sorted map.
comparator - the comparator to use in the returned sorted map.
Returns:
a type-specific immutable sorted map containing just the pair <key,value>.

singleton

public static Double2CharSortedMap singleton(Object key,
                                             Object value)
Returns a type-specific immutable sorted map containing only the specified pair. The returned sorted map is serializable and cloneable.

Note that albeit the returned map is immutable, its default return value may be changed.

Parameters:
key - the only key of the returned sorted map.
value - the only value of the returned sorted map.
Returns:
a type-specific immutable sorted map containing just the pair <key,value>.

singleton

public static Double2CharSortedMap singleton(Object key,
                                             Object value,
                                             DoubleComparator comparator)
Returns a type-specific immutable sorted map containing only the specified pair. The returned sorted map is serializable and cloneable.

Note that albeit the returned map is immutable, its default return value may be changed.

Parameters:
key - the only key of the returned sorted map.
value - the only value of the returned sorted map.
comparator - the comparator to use in the returned sorted map.
Returns:
a type-specific immutable sorted map containing just the pair <key,value>.

synchronize

public static Double2CharSortedMap synchronize(Double2CharSortedMap m)
Returns a synchronized type-specific sorted map backed by the given type-specific sorted map.

Parameters:
m - the sorted map to be wrapped in a synchronized sorted map.
Returns:
a synchronized view of the specified sorted map.
See Also:
Collections.synchronizedSortedMap(SortedMap)

synchronize

public static Double2CharSortedMap synchronize(Double2CharSortedMap m,
                                               Object sync)
Returns a synchronized type-specific sorted map backed by the given type-specific sorted map, using an assigned object to synchronize.

Parameters:
m - the sorted map to be wrapped in a synchronized sorted map.
sync - an object that will be used to synchronize the access to the sorted sorted map.
Returns:
a synchronized view of the specified sorted map.
See Also:
Collections.synchronizedSortedMap(SortedMap)