it.unimi.dsi.fastutil.objects

Class Reference2LongFunctions.EmptyFunction<K>

java.lang.Object

it.unimi.dsi.fastutil.objects.AbstractReference2LongFunction<K>

it.unimi.dsi.fastutil.objects.Reference2LongFunctions.EmptyFunction<K>

All Implemented Interfaces:

it.unimi.dsi.fastutil.objects.Reference2LongFunction<K>, java.io.Serializable, java.lang.Cloneable, java.util.function.Function<K,java.lang.Long>, java.util.function.ToLongFunction<K>

Direct Known Subclasses:

Reference2LongMaps.EmptyMap

Enclosing class:

Reference2LongFunctions

public static class Reference2LongFunctions.EmptyFunction<K>
extends AbstractReference2LongFunction<K>
implements java.io.Serializable, java.lang.Cloneable

An immutable class representing an empty type-specific function.

This class may be useful to implement your own in case you subclass a type-specific function.

See Also:

Serialized Form

Field Summary

Fields inherited from class it.unimi.dsi.fastutil.objects.AbstractReference2LongFunction

defRetValue

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EmptyFunction()

Method Summary

Modifier and Type	Method and Description
void	clear()
java.lang.Object	clone()
boolean	containsKey(java.lang.Object k)
long	defaultReturnValue()
void	defaultReturnValue(long defRetValue)
boolean	equals(java.lang.Object o)
long	getLong(java.lang.Object k)
long	getOrDefault(java.lang.Object k, long defaultValue)
int	hashCode()
int	size()
java.lang.String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.objects.Reference2LongFunction

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

Methods inherited from interface it.unimi.dsi.fastutil.Function

apply

Methods inherited from interface java.util.function.Function

compose, identity

Constructor Detail

EmptyFunction

protected EmptyFunction()

Method Detail

getLong

public long getLong(java.lang.Object k)

Specified by:

getLong in interface it.unimi.dsi.fastutil.objects.Reference2LongFunction<K>

getOrDefault

public long getOrDefault(java.lang.Object k,
                         long defaultValue)

Specified by:

getOrDefault in interface it.unimi.dsi.fastutil.objects.Reference2LongFunction<K>

containsKey

public boolean containsKey(java.lang.Object k)

defaultReturnValue

public long defaultReturnValue()

Specified by:

defaultReturnValue in interface it.unimi.dsi.fastutil.objects.Reference2LongFunction<K>

Overrides:

defaultReturnValue in class AbstractReference2LongFunction<K>

defaultReturnValue

public void defaultReturnValue(long defRetValue)

Specified by:

defaultReturnValue in interface it.unimi.dsi.fastutil.objects.Reference2LongFunction<K>

Overrides:

defaultReturnValue in class AbstractReference2LongFunction<K>

size

public int size()

clear

public void clear()

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object