public static class Object2LongFunctions.EmptyFunction<K> extends AbstractObject2LongFunction<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() |
java.lang.Object |
clone() |
boolean |
containsKey(java.lang.Object k) |
long |
defaultReturnValue()
Gets the default return value.
|
void |
defaultReturnValue(long defRetValue)
Sets the default return value (optional operation).
|
boolean |
equals(java.lang.Object o) |
long |
getLong(java.lang.Object k)
Returns the value to which the given key is mapped.
|
long |
getOrDefault(java.lang.Object k,
long defaultValue)
Returns the value associated by this function to the specified key, or give the specified
value if not present.
|
int |
hashCode() |
int |
size() |
java.lang.String |
toString() |
andThen, andThenByte, andThenChar, andThenDouble, andThenFloat, andThenInt, andThenLong, andThenObject, andThenReference, andThenShort, applyAsLong, composeByte, composeChar, composeDouble, composeFloat, composeInt, composeLong, composeObject, composeReference, composeShort, get, getOrDefault, put, put, remove, removeLong
public long getLong(java.lang.Object k)
Object2LongFunction
getLong
in interface Object2LongFunction<K>
k
- the key.Function.get(Object)
public long getOrDefault(java.lang.Object k, long defaultValue)
Object2LongFunction
getOrDefault
in interface Object2LongFunction<K>
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 boolean containsKey(java.lang.Object k)
public long defaultReturnValue()
Object2LongFunction
This default implementation just return the default null value
of the type (null
for objects, 0 for scalars, false for Booleans).
defaultReturnValue
in interface Object2LongFunction<K>
defaultReturnValue
in class AbstractObject2LongFunction<K>
public void defaultReturnValue(long defRetValue)
Object2LongFunction
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 Object2LongFunction<K>
defaultReturnValue
in class AbstractObject2LongFunction<K>
defRetValue
- the new default return value.Object2LongFunction.defaultReturnValue()
public int size()
public void clear()
public java.lang.Object clone()
clone
in class java.lang.Object
public int hashCode()
hashCode
in class java.lang.Object
public boolean equals(java.lang.Object o)
equals
in class java.lang.Object
public java.lang.String toString()
toString
in class java.lang.Object