Package it.unimi.dsi.fastutil.objects
Class Object2DoubleFunctions.PrimitiveFunction<K>
- java.lang.Object
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- it.unimi.dsi.fastutil.objects.Object2DoubleFunctions.PrimitiveFunction<K>
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- All Implemented Interfaces:
Function<K,Double>
,Object2DoubleFunction<K>
,Function<K,Double>
,ToDoubleFunction<K>
- Enclosing class:
- Object2DoubleFunctions
public static class Object2DoubleFunctions.PrimitiveFunction<K> extends Object implements Object2DoubleFunction<K>
An adapter for mapping generic total functions to partial primitive functions.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description boolean
containsKey(Object key)
Returns true if this function contains a mapping for the specified key.Double
get(Object key)
Deprecated.double
getDouble(Object key)
Returns the value to which the given key is mapped.Double
put(K key, Double value)
Deprecated.-
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface it.unimi.dsi.fastutil.objects.Object2DoubleFunction
applyAsDouble, defaultReturnValue, defaultReturnValue, put, remove, removeDouble
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Method Detail
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containsKey
public boolean containsKey(Object key)
Description copied from interface:Function
Returns true if this function contains a mapping for the specified key.Note that for some kind of functions (e.g., hashes) this method will always return true. This default implementation, in particular, always return true.
- Specified by:
containsKey
in interfaceFunction<K,Double>
- Parameters:
key
- the key.- Returns:
- true if this function associates a value to
key
. - See Also:
Map.containsKey(Object)
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getDouble
public double getDouble(Object key)
Description copied from interface:Object2DoubleFunction
Returns the value to which the given key is mapped.- Specified by:
getDouble
in interfaceObject2DoubleFunction<K>
- Parameters:
key
- the key.- Returns:
- the corresponding value, or the default return value if no value was present for the given key.
- See Also:
Function.get(Object)
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get
@Deprecated public Double get(Object key)
Deprecated.Description copied from interface:Object2DoubleFunction
Returns the value associated by this function to the specified key.- Specified by:
get
in interfaceFunction<K,Double>
- Specified by:
get
in interfaceObject2DoubleFunction<K>
- Parameters:
key
- the key.- Returns:
- the corresponding value, or
null
if no value was present for the given key. - See Also:
Map.get(Object)
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put
@Deprecated public Double put(K key, Double value)
Deprecated.Description copied from interface:Object2DoubleFunction
Associates the specified value with the specified key in this function (optional operation).- Specified by:
put
in interfaceFunction<K,Double>
- Specified by:
put
in interfaceObject2DoubleFunction<K>
- Parameters:
key
- the key.value
- the value.- Returns:
- the old value, or
null
if no value was present for the given key. - See Also:
Map.put(Object,Object)
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