Package it.unimi.dsi.fastutil.shorts

Class Short2ShortMaps.EmptyMap

java.lang.Object

it.unimi.dsi.fastutil.shorts.AbstractShort2ShortFunction

it.unimi.dsi.fastutil.shorts.Short2ShortFunctions.EmptyFunction

it.unimi.dsi.fastutil.shorts.Short2ShortMaps.EmptyMap

All Implemented Interfaces:

Function<Short,Short>, Short2ShortFunction, Short2ShortMap, Serializable, Cloneable, Function<Short,Short>, IntUnaryOperator, Map<Short,Short>

Direct Known Subclasses:

Short2ShortSortedMaps.EmptySortedMap

Enclosing class:

Short2ShortMaps

public static class Short2ShortMaps.EmptyMap
extends Short2ShortFunctions.EmptyFunction
implements Short2ShortMap, Serializable, Cloneable

An immutable class representing an empty type-specific map.

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

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.shorts.Short2ShortMap

Short2ShortMap.Entry, Short2ShortMap.FastEntrySet

Method Summary

Modifier and Type	Method	Description
Object	clone()
boolean	containsValue(short v)	Returns true if this map maps one or more keys to the specified value.
boolean	containsValue(Object ov)	Deprecated. Please use the corresponding type-specific method instead.
boolean	equals(Object o)
void	forEach(BiConsumer<? super Short,? super Short> consumer)
short	getOrDefault(short key, short defaultValue)	Returns the value associated by this function to the specified key, or give the specified value if not present.
Short	getOrDefault(Object key, Short defaultValue)	Deprecated.
int	hashCode()
boolean	isEmpty()
ShortSet	keySet()
void	putAll(Map<? extends Short,? extends Short> m)
ObjectSet<Short2ShortMap.Entry>	short2ShortEntrySet()	Returns a type-specific set view of the mappings contained in this map.
String	toString()
ShortCollection	values()

Methods inherited from class it.unimi.dsi.fastutil.shorts.Short2ShortFunctions.EmptyFunction

clear, containsKey, defaultReturnValue, defaultReturnValue, get, size

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

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

apply

Methods inherited from interface java.util.function.IntUnaryOperator

andThen, compose

Methods inherited from interface java.util.Map

replaceAll

Methods inherited from interface it.unimi.dsi.fastutil.shorts.Short2ShortFunction

andThen, andThenByte, andThenChar, andThenDouble, andThenFloat, andThenInt, andThenLong, andThenObject, andThenReference, andThenShort, applyAsInt, compose, composeByte, composeChar, composeDouble, composeFloat, composeInt, composeLong, composeObject, composeReference, composeShort, get, put, remove

Methods inherited from interface it.unimi.dsi.fastutil.shorts.Short2ShortMap

clear, compute, compute, computeIfAbsent, computeIfAbsent, computeIfAbsent, computeIfAbsentNullable, computeIfAbsentPartial, computeIfPresent, computeIfPresent, containsKey, containsKey, defaultReturnValue, defaultReturnValue, entrySet, get, merge, merge, mergeShort, mergeShort, put, putIfAbsent, putIfAbsent, remove, remove, remove, replace, replace, replace, replace, size

Method Details

containsValue

public boolean containsValue(short v)

Description copied from interface: Short2ShortMap

Returns true if this map maps one or more keys to the specified value.

Specified by:

containsValue in interface Short2ShortMap

See Also:

• Map.containsValue(Object)

getOrDefault

@Deprecated
public Short getOrDefault(Object key,
 Short defaultValue)

Deprecated.

Description copied from interface: Short2ShortMap

Returns the value associated by this function to the specified key, or give the specified value if not present.

This default implementation just delegates to the corresponding Map method.

Specified by:

getOrDefault in interface Function<Short,Short>

Specified by:

getOrDefault in interface Map<Short,Short>

Specified by:

getOrDefault in interface Short2ShortFunction

Specified by:

getOrDefault in interface Short2ShortMap

Parameters:

key - the key.

defaultValue - the default value to return if not present.

Returns:

the corresponding value, or defaultValue if no value was present for the given key.

See Also:

• Map.getOrDefault(Object, Object)

getOrDefault

public short getOrDefault(short key,
 short defaultValue)

Description copied from interface: Short2ShortFunction

Returns the value associated by this function to the specified key, or give the specified value if not present.

Specified by:

getOrDefault in interface Short2ShortFunction

Specified by:

getOrDefault in interface Short2ShortMap

Overrides:

getOrDefault in class Short2ShortFunctions.EmptyFunction

Parameters:

key - the key.

defaultValue - the value to return if not present.

Returns:

the corresponding value, or defaultValue if no value was present for the given key.

See Also:

• Function.getOrDefault(Object, Object)

containsValue

@Deprecated
public boolean containsValue(Object ov)

Deprecated.

Please use the corresponding type-specific method instead.

Specified by:

containsValue in interface Map<Short,Short>

Specified by:

containsValue in interface Short2ShortMap

putAll

public void putAll(Map<? extends Short,? extends Short> m)

Specified by:

putAll in interface Map<Short,Short>

short2ShortEntrySet

public ObjectSet<Short2ShortMap.Entry> short2ShortEntrySet()

Description copied from interface: Short2ShortMap

Returns a type-specific set view of the mappings contained in this map.

This method is necessary because there is no inheritance along type parameters: it is thus impossible to strengthen Map.entrySet() so that it returns an ObjectSet of type-specific entries (the latter makes it possible to access keys and values with type-specific methods).

Specified by:

short2ShortEntrySet in interface Short2ShortMap

Returns:

a type-specific set view of the mappings contained in this map.

See Also:

• Map.entrySet()

keySet

public ShortSet keySet()

Description copied from interface: Short2ShortMap

Specified by:

keySet in interface Map<Short,Short>

Specified by:

keySet in interface Short2ShortMap

Returns:

a set view of the keys contained in this map.

See Also:

• Map.keySet()

values

public ShortCollection values()

Description copied from interface: Short2ShortMap

Specified by:

values in interface Map<Short,Short>

Specified by:

values in interface Short2ShortMap

Returns:

a set view of the values contained in this map.

See Also:

• Map.values()

forEach

public void forEach(BiConsumer<? super Short,? super Short> consumer)

Specified by:

forEach in interface Map<Short,Short>

Specified by:

forEach in interface Short2ShortMap

clone

public Object clone()

Overrides:

clone in class Short2ShortFunctions.EmptyFunction

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<Short,Short>

hashCode

public int hashCode()

Specified by:

hashCode in interface Map<Short,Short>

Overrides:

hashCode in class Short2ShortFunctions.EmptyFunction

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<Short,Short>

Overrides:

equals in class Short2ShortFunctions.EmptyFunction

toString

public String toString()

Overrides:

toString in class Short2ShortFunctions.EmptyFunction