public static class Object2ShortFunctions.EmptyFunction<K> extends AbstractObject2ShortFunction<K> implements java.io.Serializable, java.lang.Cloneable
This class may be useful to implement your own in case you subclass a type-specific function.
Modifier and Type | Method and Description |
---|---|
void |
clear()
Removes all associations from this function (optional operation).
|
java.lang.Object |
clone() |
boolean |
containsKey(java.lang.Object k)
Returns true if this function contains a mapping for the specified key.
|
short |
defaultReturnValue()
Gets the default return value.
|
void |
defaultReturnValue(short defRetValue)
Sets the default return value.
|
short |
getShort(java.lang.Object k)
Returns the value to which the given key is mapped.
|
int |
size()
Returns the intended number of keys in this function, or -1 if no such number exists.
|
get, put, put, remove, removeShort
public short getShort(java.lang.Object k)
Object2ShortFunction
getShort
in interface Object2ShortFunction<K>
k
- the key.Function.get(Object)
public boolean containsKey(java.lang.Object k)
Function
Note that for some kind of functions (e.g., hashes) this method will always return true.
containsKey
in interface Function<K,java.lang.Short>
k
- the key.key
.Map.containsKey(Object)
public short defaultReturnValue()
Object2ShortFunction
defaultReturnValue
in interface Object2ShortFunction<K>
defaultReturnValue
in class AbstractObject2ShortFunction<K>
public void defaultReturnValue(short defRetValue)
Object2ShortFunction
get()
, put()
and remove()
to
denote that the map does not contain the specified key. It must be
0/false
/null
by default.defaultReturnValue
in interface Object2ShortFunction<K>
defaultReturnValue
in class AbstractObject2ShortFunction<K>
defRetValue
- the new default return value.Object2ShortFunction.defaultReturnValue()
public int size()
Function
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.
public void clear()
Function
public java.lang.Object clone()
clone
in class java.lang.Object