public static class Long2DoubleFunctions.UnmodifiableFunction extends AbstractLong2DoubleFunction implements Serializable
Modifier and Type | Method and Description |
---|---|
void |
clear()
Removes all associations from this function (optional operation).
|
boolean |
containsKey(long k) |
boolean |
containsKey(Object ok)
Returns true if this function contains a mapping for the specified key.
|
double |
defaultReturnValue()
Gets the default return value.
|
void |
defaultReturnValue(double defRetValue)
Sets the default return value.
|
double |
get(long k)
Returns the value to which the given key is mapped.
|
double |
put(long k,
double v)
Adds a pair to the map.
|
double |
remove(long 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(long k)
containsKey
in interface Long2DoubleFunction
Function.containsKey(Object)
public double defaultReturnValue()
Long2DoubleFunction
defaultReturnValue
in interface Long2DoubleFunction
defaultReturnValue
in class AbstractLong2DoubleFunction
public void defaultReturnValue(double defRetValue)
Long2DoubleFunction
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 Long2DoubleFunction
defaultReturnValue
in class AbstractLong2DoubleFunction
defRetValue
- the new default return value.Long2DoubleFunction.defaultReturnValue()
public double put(long k, double v)
Long2DoubleFunction
put
in interface Long2DoubleFunction
put
in class AbstractLong2DoubleFunction
k
- the key.v
- the value.Function.put(Object,Object)
public void clear()
Function
clear
in interface Function<Long,Double>
clear
in class AbstractLong2DoubleFunction
Map.clear()
public double remove(long k)
Long2DoubleFunction
remove
in interface Long2DoubleFunction
remove
in class AbstractLong2DoubleFunction
k
- the key.Function.remove(Object)
public double get(long k)
Long2DoubleFunction
get
in interface Long2DoubleFunction
k
- the key.Function.get(Object)
public boolean containsKey(Object ok)
Function
Note that for some kind of functions (e.g., hashes) this method will always return true.
containsKey
in interface Function<Long,Double>
containsKey
in class AbstractLong2DoubleFunction
ok
- the key.key
.Map.containsKey(Object)