Package it.unimi.dsi.fastutil.shorts

Class Short2ShortMaps.UnmodifiableMap

java.lang.Object

it.unimi.dsi.fastutil.shorts.AbstractShort2ShortFunction

it.unimi.dsi.fastutil.shorts.Short2ShortFunctions.UnmodifiableFunction

it.unimi.dsi.fastutil.shorts.Short2ShortMaps.UnmodifiableMap

All Implemented Interfaces:

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

Direct Known Subclasses:

Short2ShortSortedMaps.UnmodifiableSortedMap

Enclosing class:

Short2ShortMaps

public static class Short2ShortMaps.UnmodifiableMap
extends Short2ShortFunctions.UnmodifiableFunction
implements Short2ShortMap, Serializable

An unmodifiable wrapper class for maps.

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
short	compute(short key, BiFunction<? super Short,? super Short,? extends Short> remappingFunction)	Attempts to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping).
Short	compute(Short key, BiFunction<? super Short,? super Short,? extends Short> remappingFunction)	Deprecated. Please use the corresponding type-specific method instead.
short	computeIfAbsent(short key, Short2ShortFunction mappingFunction)	If the specified key is not already associated with a value, attempts to compute its value using the given mapping function and enters it into this map, unless the key is not present in the given mapping function.
short	computeIfAbsent(short key, IntUnaryOperator mappingFunction)	If the specified key is not already associated with a value, attempts to compute its value using the given mapping function and enters it into this map.
Short	computeIfAbsent(Short key, Function<? super Short,? extends Short> mappingFunction)	Deprecated. Please use the corresponding type-specific method instead.
short	computeIfAbsentNullable(short key, IntFunction<? extends Short> mappingFunction)	If the specified key is not already associated with a value, attempts to compute its value using the given mapping function and enters it into this map unless it is null.
short	computeIfPresent(short key, BiFunction<? super Short,? super Short,? extends Short> remappingFunction)	If the value for the specified key is present, attempts to compute a new mapping given the key and its current mapped value.
Short	computeIfPresent(Short key, BiFunction<? super Short,? super Short,? extends Short> remappingFunction)	Deprecated. Please use the corresponding type-specific method instead.
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.
ObjectSet<Map.Entry<Short,Short>>	entrySet()	Deprecated. Please use the corresponding type-specific method instead.
boolean	equals(Object o)
void	forEach(BiConsumer<? super Short,? super Short> action)
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. Please use the corresponding type-specific method instead.
int	hashCode()
boolean	isEmpty()
ShortSet	keySet()
short	merge(short key, short value, BiFunction<? super Short,? super Short,? extends Short> remappingFunction)	If the specified key is not already associated with a value, associates it with the given value.
Short	merge(Short key, Short value, BiFunction<? super Short,? super Short,? extends Short> remappingFunction)	Deprecated. Please use the corresponding type-specific method instead.
void	putAll(Map<? extends Short,? extends Short> m)
short	putIfAbsent(short key, short value)	If the specified key is not already associated with a value, associates it with the given value and returns the default return value, else returns the current value.
Short	putIfAbsent(Short key, Short value)	Deprecated. Please use the corresponding type-specific method instead.
boolean	remove(short key, short value)	Removes the entry for the specified key only if it is currently mapped to the specified value.
boolean	remove(Object key, Object value)	Deprecated. Please use the corresponding type-specific method instead.
short	replace(short key, short value)	Replaces the entry for the specified key only if it is currently mapped to some value.
boolean	replace(short key, short oldValue, short newValue)	Replaces the entry for the specified key only if currently mapped to the specified value.
Short	replace(Short key, Short value)	Deprecated. Please use the corresponding type-specific method instead.
boolean	replace(Short key, Short oldValue, Short newValue)	Deprecated. Please use the corresponding type-specific method instead.
void	replaceAll(BiFunction<? super Short,? super Short,? extends Short> function)
ObjectSet<Short2ShortMap.Entry>	short2ShortEntrySet()	Returns a type-specific set view of the mappings contained in this map.
ShortCollection	values()

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

clear, containsKey, defaultReturnValue, defaultReturnValue, get, get, put, put, remove, remove, size, toString

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 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, computeIfAbsentPartial, containsKey, containsKey, defaultReturnValue, defaultReturnValue, get, mergeShort, mergeShort, put, remove, 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)

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()

entrySet

@Deprecated
public ObjectSet<Map.Entry<Short,Short>> entrySet()

Deprecated.

Please use the corresponding type-specific method instead.

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

Specified by:

entrySet in interface Map<Short,Short>

Specified by:

entrySet in interface Short2ShortMap

Returns:

a 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()

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.UnmodifiableFunction

equals

public boolean equals(Object o)

Specified by:

equals in interface Map<Short,Short>

Overrides:

equals in class Short2ShortFunctions.UnmodifiableFunction

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.UnmodifiableFunction

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)

forEach

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

Specified by:

forEach in interface Map<Short,Short>

Specified by:

forEach in interface Short2ShortMap

replaceAll

public void replaceAll(BiFunction<? super Short,? super Short,? extends Short> function)

Specified by:

replaceAll in interface Map<Short,Short>

putIfAbsent

public short putIfAbsent(short key,
 short value)

Description copied from interface: Short2ShortMap

If the specified key is not already associated with a value, associates it with the given value and returns the default return value, else returns the current value.

Specified by:

putIfAbsent in interface Short2ShortMap

Parameters:

key - key with which the specified value is to be associated.

value - value to be associated with the specified key.

Returns:

the previous value associated with the specified key, or the default return value if there was no mapping for the key.

See Also:

• Map.putIfAbsent(Object, Object)

remove

public boolean remove(short key,
 short value)

Description copied from interface: Short2ShortMap

Removes the entry for the specified key only if it is currently mapped to the specified value.

Specified by:

remove in interface Short2ShortMap

Parameters:

key - key with which the specified value is associated.

value - value expected to be associated with the specified key.

Returns:

true if the value was removed.

See Also:

• Map.remove(Object, Object)

replace

public short replace(short key,
 short value)

Description copied from interface: Short2ShortMap

Replaces the entry for the specified key only if it is currently mapped to some value.

Specified by:

replace in interface Short2ShortMap

Parameters:

key - key with which the specified value is associated.

value - value to be associated with the specified key.

Returns:

the previous value associated with the specified key, or the default return value if there was no mapping for the key.

See Also:

• Map.replace(Object, Object)

replace

public boolean replace(short key,
 short oldValue,
 short newValue)

Description copied from interface: Short2ShortMap

Replaces the entry for the specified key only if currently mapped to the specified value.

Specified by:

replace in interface Short2ShortMap

Parameters:

key - key with which the specified value is associated.

oldValue - value expected to be associated with the specified key.

newValue - value to be associated with the specified key.

Returns:

true if the value was replaced.

See Also:

• Map.replace(Object, Object, Object)

computeIfAbsent

public short computeIfAbsent(short key,
 IntUnaryOperator mappingFunction)

Description copied from interface: Short2ShortMap

If the specified key is not already associated with a value, attempts to compute its value using the given mapping function and enters it into this map.

Note that contrarily to the default computeIfAbsent(), it is not possible to not add a value for a given key, since the mappingFunction cannot return null. If such a behavior is needed, please use the corresponding nullable version.

Specified by:

computeIfAbsent in interface Short2ShortMap

Parameters:

key - key with which the specified value is to be associated.

mappingFunction - the function to compute a value.

Returns:

the current (existing or computed) value associated with the specified key.

See Also:

• Map.computeIfAbsent(Object, java.util.function.Function)

computeIfAbsentNullable

public short computeIfAbsentNullable(short key,
 IntFunction<? extends Short> mappingFunction)

Description copied from interface: Short2ShortMap

If the specified key is not already associated with a value, attempts to compute its value using the given mapping function and enters it into this map unless it is null.

Note that this version of computeIfAbsent() should be used only if you plan to return null in the mapping function.

Specified by:

computeIfAbsentNullable in interface Short2ShortMap

Parameters:

key - key with which the specified value is to be associated.

mappingFunction - the function to compute a value.

Returns:

the current (existing or computed) value associated with the specified key, or the default return value if the computed value is null.

See Also:

• Map.computeIfAbsent(Object, java.util.function.Function)

computeIfAbsent

public short computeIfAbsent(short key,
 Short2ShortFunction mappingFunction)

Description copied from interface: Short2ShortMap

If the specified key is not already associated with a value, attempts to compute its value using the given mapping function and enters it into this map, unless the key is not present in the given mapping function.

This version of computeIfAbsent() uses a type-specific version of fastutil's Function. Since Function has a containsKey() method, it is possible to avoid adding a key by having containsKey() return false for that key.

Specified by:

computeIfAbsent in interface Short2ShortMap

Parameters:

key - key with which the specified value is to be associated.

mappingFunction - the function to compute a value.

Returns:

the current (existing or computed) value associated with the specified key.

See Also:

• Map.computeIfAbsent(Object, java.util.function.Function)

computeIfPresent

public short computeIfPresent(short key,
 BiFunction<? super Short,? super Short,? extends Short> remappingFunction)

Description copied from interface: Short2ShortMap

If the value for the specified key is present, attempts to compute a new mapping given the key and its current mapped value.

Specified by:

computeIfPresent in interface Short2ShortMap

Parameters:

key - key with which the specified value is to be associated.

remappingFunction - the function to compute a value.

Returns:

the new value associated with the specified key, or the default return value if none.

See Also:

• Map.computeIfPresent(Object, java.util.function.BiFunction)

compute

public short compute(short key,
 BiFunction<? super Short,? super Short,? extends Short> remappingFunction)

Description copied from interface: Short2ShortMap

Attempts to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping).

If the function returns null, the mapping is removed (or remains absent if initially absent). If the function itself throws an (unchecked) exception, the exception is rethrown, and the current mapping is left unchanged.

Specified by:

compute in interface Short2ShortMap

Parameters:

key - key with which the specified value is to be associated.

remappingFunction - the function to compute a value.

Returns:

the new value associated with the specified key, or the default return value if none.

See Also:

• Map.compute(Object, java.util.function.BiFunction)

merge

public short merge(short key,
 short value,
 BiFunction<? super Short,? super Short,? extends Short> remappingFunction)

Description copied from interface: Short2ShortMap

If the specified key is not already associated with a value, associates it with the given value. Otherwise, replaces the associated value with the results of the given remapping function, or removes if the result is null.

Specified by:

merge in interface Short2ShortMap

Parameters:

key - key with which the resulting value is to be associated.

value - the value to be merged with the existing value associated with the key or, if no existing value is associated with the key, to be associated with the key.

remappingFunction - the function to recompute a value if present.

Returns:

the new value associated with the specified key, or the default return value if no value is associated with the key.

See Also:

• Map.merge(Object, Object, java.util.function.BiFunction)

getOrDefault

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

Deprecated.

Please use the corresponding type-specific method instead.

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

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

Overrides:

getOrDefault in class Short2ShortFunctions.UnmodifiableFunction

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)

remove

@Deprecated
public boolean remove(Object key,
 Object value)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

remove in interface Map<Short,Short>

Specified by:

remove in interface Short2ShortMap

replace

@Deprecated
public Short replace(Short key,
 Short value)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

replace in interface Map<Short,Short>

Specified by:

replace in interface Short2ShortMap

replace

@Deprecated
public boolean replace(Short key,
 Short oldValue,
 Short newValue)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

replace in interface Map<Short,Short>

Specified by:

replace in interface Short2ShortMap

putIfAbsent

@Deprecated
public Short putIfAbsent(Short key,
 Short value)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

putIfAbsent in interface Map<Short,Short>

Specified by:

putIfAbsent in interface Short2ShortMap

computeIfAbsent

@Deprecated
public Short computeIfAbsent(Short key,
 Function<? super Short,? extends Short> mappingFunction)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

computeIfAbsent in interface Map<Short,Short>

Specified by:

computeIfAbsent in interface Short2ShortMap

computeIfPresent

@Deprecated
public Short computeIfPresent(Short key,
 BiFunction<? super Short,? super Short,? extends Short> remappingFunction)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

computeIfPresent in interface Map<Short,Short>

Specified by:

computeIfPresent in interface Short2ShortMap

compute

@Deprecated
public Short compute(Short key,
 BiFunction<? super Short,? super Short,? extends Short> remappingFunction)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

compute in interface Map<Short,Short>

Specified by:

compute in interface Short2ShortMap

merge

@Deprecated
public Short merge(Short key,
 Short value,
 BiFunction<? super Short,? super Short,? extends Short> remappingFunction)

Deprecated.

Please use the corresponding type-specific method instead.

This default implementation just delegates to the corresponding Map method.

Specified by:

merge in interface Map<Short,Short>

Specified by:

merge in interface Short2ShortMap