public static class Reference2ObjectFunctions.Singleton<K,V> extends AbstractReference2ObjectFunction<K,V> implements java.io.Serializable, java.lang.Cloneable
Note that albeit the function is immutable, its default return value may be changed.
This class may be useful to implement your own in case you subclass a type-specific function.
Modifier and Type | Method and Description |
---|---|
java.lang.Object |
clone() |
boolean |
containsKey(java.lang.Object k) |
V |
get(java.lang.Object k)
Returns the value to which the given key is mapped.
|
V |
getOrDefault(java.lang.Object k,
V defaultValue)
Returns the value associated by this function to the specified key, or give the specified
value if not present.
|
int |
size() |
defaultReturnValue, defaultReturnValue
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
andThenByte, andThenChar, andThenDouble, andThenFloat, andThenInt, andThenLong, andThenObject, andThenReference, andThenShort, composeByte, composeChar, composeDouble, composeFloat, composeInt, composeLong, composeObject, composeReference, composeShort, put, remove
public boolean containsKey(java.lang.Object k)
public V get(java.lang.Object k)
Reference2ObjectFunction
get
in interface Reference2ObjectFunction<K,V>
k
- the key.Function.get(Object)
public V getOrDefault(java.lang.Object k, V defaultValue)
Reference2ObjectFunction
getOrDefault
in interface Reference2ObjectFunction<K,V>
k
- the key.defaultValue
- the value to return if not present.defaultValue
if no value was present for the given key.Function.getOrDefault(Object, Object)
public int size()
public java.lang.Object clone()
clone
in class java.lang.Object