public static class Reference2CharFunctions.UnmodifiableFunction<K> extends AbstractReference2CharFunction<K> implements Serializable
Modifier and Type | Method and Description |
---|---|
void |
clear()
Removes all associations from this function (optional operation).
|
boolean |
containsKey(Object k)
Returns true if this function contains a mapping for the specified key.
|
char |
defaultReturnValue()
Gets the default return value.
|
void |
defaultReturnValue(char defRetValue)
Sets the default return value.
|
char |
getChar(Object k)
Returns the value to which the given key is mapped.
|
char |
put(K k,
char v)
Adds a pair to the map.
|
char |
removeChar(Object k)
Removes the mapping with the given key.
|
int |
size()
Returns the intended number of keys in this function, or -1 if no such number exists.
|
String |
toString() |
get, put, remove
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 boolean containsKey(Object k)
Function
Note that for some kind of functions (e.g., hashes) this method will always return true.
containsKey
in interface Function<K,Character>
k
- the key.key
.Map.containsKey(Object)
public char defaultReturnValue()
Reference2CharFunction
defaultReturnValue
in interface Reference2CharFunction<K>
defaultReturnValue
in class AbstractReference2CharFunction<K>
public void defaultReturnValue(char defRetValue)
Reference2CharFunction
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 Reference2CharFunction<K>
defaultReturnValue
in class AbstractReference2CharFunction<K>
defRetValue
- the new default return value.Reference2CharFunction.defaultReturnValue()
public char put(K k, char v)
Reference2CharFunction
put
in interface Reference2CharFunction<K>
put
in class AbstractReference2CharFunction<K>
k
- the key.v
- the value.Function.put(Object,Object)
public void clear()
Function
clear
in interface Function<K,Character>
clear
in class AbstractReference2CharFunction<K>
Map.clear()
public char removeChar(Object k)
Reference2CharFunction
removeChar
in interface Reference2CharFunction<K>
removeChar
in class AbstractReference2CharFunction<K>
Function.remove(Object)
public char getChar(Object k)
Reference2CharFunction
getChar
in interface Reference2CharFunction<K>
k
- the key.Function.get(Object)