it.unimi.dsi.fastutil.ints
Class Int2ObjectMaps.Singleton<V>

java.lang.Object
  extended by it.unimi.dsi.fastutil.ints.AbstractInt2ObjectFunction<V>
      extended by it.unimi.dsi.fastutil.ints.Int2ObjectFunctions.Singleton<V>
          extended by it.unimi.dsi.fastutil.ints.Int2ObjectMaps.Singleton<V>
All Implemented Interfaces:
Function<java.lang.Integer,V>, Int2ObjectFunction<V>, Int2ObjectMap<V>, java.io.Serializable, java.lang.Cloneable, java.util.Map<java.lang.Integer,V>
Direct Known Subclasses:
Int2ObjectSortedMaps.Singleton
Enclosing class:
Int2ObjectMaps

public static class Int2ObjectMaps.Singleton<V>
extends Int2ObjectFunctions.Singleton<V>
implements Int2ObjectMap<V>, java.io.Serializable, java.lang.Cloneable

An immutable class representing a type-specific singleton map.

This class may be useful to implement your own in case you subclass a type-specific map.

See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.ints.Int2ObjectMap
Int2ObjectMap.Entry<V>, Int2ObjectMap.FastEntrySet<V>
 
Method Summary
 boolean containsValue(java.lang.Object v)
           
 ObjectSet<java.util.Map.Entry<java.lang.Integer,V>> entrySet()
          Returns a set view of the mappings contained in this map.
 boolean equals(java.lang.Object o)
           
 int hashCode()
           
 ObjectSet<Int2ObjectMap.Entry<V>> int2ObjectEntrySet()
          Returns a type-specific set view of the mappings contained in this map.
 boolean isEmpty()
           
 IntSet keySet()
          Returns a set view of the keys contained in this map.
 void putAll(java.util.Map<? extends java.lang.Integer,? extends V> m)
           
 java.lang.String toString()
           
 ObjectCollection<V> values()
          Returns a set view of the values contained in this map.
 
Methods inherited from class it.unimi.dsi.fastutil.ints.Int2ObjectFunctions.Singleton
clone, containsKey, get, size
 
Methods inherited from class it.unimi.dsi.fastutil.ints.AbstractInt2ObjectFunction
clear, containsKey, defaultReturnValue, defaultReturnValue, get, put, put, remove, remove
 
Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface it.unimi.dsi.fastutil.ints.Int2ObjectFunction
containsKey, defaultReturnValue, defaultReturnValue, get, put, remove
 
Methods inherited from interface it.unimi.dsi.fastutil.Function
clear, containsKey, get, put, remove, size
 
Methods inherited from interface java.util.Map
clear, containsKey, get, put, remove, size
 

Method Detail

containsValue

public boolean containsValue(java.lang.Object v)
Specified by:
containsValue in interface java.util.Map<java.lang.Integer,V>

putAll

public void putAll(java.util.Map<? extends java.lang.Integer,? extends V> m)
Specified by:
putAll in interface java.util.Map<java.lang.Integer,V>

int2ObjectEntrySet

public ObjectSet<Int2ObjectMap.Entry<V>> int2ObjectEntrySet()
Description copied from interface: Int2ObjectMap
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 Int2ObjectMap.entrySet() so that it returns an ObjectSet of objects of type Map.Entry (the latter makes it possible to access keys and values with type-specific methods).

Specified by:
int2ObjectEntrySet in interface Int2ObjectMap<V>
Returns:
a type-specific set view of the mappings contained in this map.
See Also:
Int2ObjectMap.entrySet()

keySet

public IntSet keySet()
Description copied from interface: Int2ObjectMap
Returns a set view of the keys contained in this map.

Note that this specification strengthens the one given in Map.keySet().

Specified by:
keySet in interface Int2ObjectMap<V>
Specified by:
keySet in interface java.util.Map<java.lang.Integer,V>
Returns:
a set view of the keys contained in this map.
See Also:
Map.keySet()

values

public ObjectCollection<V> values()
Description copied from interface: Int2ObjectMap
Returns a set view of the values contained in this map.

Note that this specification strengthens the one given in Map.values().

Specified by:
values in interface Int2ObjectMap<V>
Specified by:
values in interface java.util.Map<java.lang.Integer,V>
Returns:
a set view of the values contained in this map.
See Also:
Map.values()

isEmpty

public boolean isEmpty()
Specified by:
isEmpty in interface java.util.Map<java.lang.Integer,V>

entrySet

public ObjectSet<java.util.Map.Entry<java.lang.Integer,V>> entrySet()
Description copied from interface: Int2ObjectMap
Returns a set view of the mappings contained in this map.

Note that this specification strengthens the one given in Map.entrySet().

Specified by:
entrySet in interface Int2ObjectMap<V>
Specified by:
entrySet in interface java.util.Map<java.lang.Integer,V>
Returns:
a set view of the mappings contained in this map.
See Also:
Map.entrySet()

hashCode

public int hashCode()
Specified by:
hashCode in interface java.util.Map<java.lang.Integer,V>
Overrides:
hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)
Specified by:
equals in interface java.util.Map<java.lang.Integer,V>
Overrides:
equals in class java.lang.Object

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object