Reference2DoubleMaps.SynchronizedMap (fastutil 7.0.2)

java.lang.Object
- it.unimi.dsi.fastutil.objects.AbstractReference2DoubleFunction<K>
- - it.unimi.dsi.fastutil.objects.Reference2DoubleFunctions.SynchronizedFunction<K>
  - - it.unimi.dsi.fastutil.objects.Reference2DoubleMaps.SynchronizedMap<K>

All Implemented Interfaces:

Function<K,Double>, Reference2DoubleFunction<K>, Reference2DoubleMap<K>, Serializable, Map<K,Double>

Direct Known Subclasses:

Reference2DoubleSortedMaps.SynchronizedSortedMap

Enclosing class:

Reference2DoubleMaps
```
public static class Reference2DoubleMaps.SynchronizedMap<K>
extends Reference2DoubleFunctions.SynchronizedFunction<K>
implements Reference2DoubleMap<K>, Serializable
```
A synchronized wrapper class for maps.

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.objects.Reference2DoubleMap
  Reference2DoubleMap.Entry<K>, Reference2DoubleMap.FastEntrySet<K>

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`clear()` Removes all associations from this function (optional operation).
`boolean`	`containsKey(Object k)` Returns true if this function contains a mapping for the specified key.
`boolean`	`containsValue(double v)`
`boolean`	`containsValue(Object ov)`
`double`	`defaultReturnValue()` Gets the default return value.
`void`	`defaultReturnValue(double defRetValue)` Sets the default return value.
`ObjectSet<Map.Entry<K,Double>>`	`entrySet()` Returns a set view of the mappings contained in this map.
`boolean`	`equals(Object o)`
`double`	`getDouble(Object k)` Returns the value to which the given key is mapped.
`int`	`hashCode()`
`boolean`	`isEmpty()`
`ReferenceSet<K>`	`keySet()` Returns a set view of the keys contained in this map.
`double`	`put(K k, double v)` Adds a pair to the map.
`Double`	`put(K k, Double v)` Delegates to the corresponding type-specific method, taking care of returning `null` on a missing key.
`void`	`putAll(Map<? extends K,? extends Double> m)`
`ObjectSet<Reference2DoubleMap.Entry<K>>`	`reference2DoubleEntrySet()` Returns a type-specific set view of the mappings contained in this map.
`double`	`removeDouble(Object k)` Removes the mapping with the given key.
`int`	`size()` Returns the intended number of keys in this function, or -1 if no such number exists.
`String`	`toString()`
`DoubleCollection`	`values()` Returns a set view of the values contained in this map.

Methods inherited from class it.unimi.dsi.fastutil.objects.Reference2DoubleFunctions.SynchronizedFunction
get, remove

Methods inherited from class java.lang.Object
getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface it.unimi.dsi.fastutil.Function
get, remove

Methods inherited from interface java.util.Map
compute, computeIfAbsent, computeIfPresent, forEach, get, getOrDefault, merge, putIfAbsent, remove, remove, replace, replace, replaceAll

- Method Detail
  - size
```
public int size()
```
    Description copied from interface: Function
    
    Returns the intended number of keys in this function, or -1 if no such number exists.
    Most function implementations will have some knowledge of the intended number of keys in their domain. In some cases, however, this might not be possible.
    
    Specified by:
    
    size in interface Function<K,Double>
    
    Specified by:
    
    size in interface Map<K,Double>
    
    Overrides:
    
    size in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Returns:
    
    the intended number of keys in this function, or -1 if that number is not available.
  - containsKey
```
public boolean containsKey(Object k)
```
    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.
    
    Specified by:
    
    containsKey in interface Function<K,Double>
    
    Specified by:
    
    containsKey in interface Map<K,Double>
    
    Overrides:
    
    containsKey in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Parameters:
    
    k - the key.
    
    Returns:
    
    true if this function associates a value to key.
    
    See Also:
    
    Map.containsKey(Object)
  - containsValue
```
public boolean containsValue(double v)
```
    Specified by:
    
    containsValue in interface Reference2DoubleMap<K>
    
    See Also:
    
    Map.containsValue(Object)
  - defaultReturnValue
```
public double defaultReturnValue()
```
    Description copied from interface: Reference2DoubleFunction
    
    Gets the default return value.
    
    Specified by:
    
    defaultReturnValue in interface Reference2DoubleFunction<K>
    
    Overrides:
    
    defaultReturnValue in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Returns:
    
    the current default return value.
  - defaultReturnValue
```
public void defaultReturnValue(double defRetValue)
```
    Description copied from interface: Reference2DoubleFunction
    
    Sets the default return value. This value must be returned by type-specific versions of get(), put() and remove() to denote that the map does not contain the specified key. It must be 0/false/null by default.
    
    Specified by:
    
    defaultReturnValue in interface Reference2DoubleFunction<K>
    
    Overrides:
    
    defaultReturnValue in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Parameters:
    
    defRetValue - the new default return value.
    
    See Also:
    
    Reference2DoubleFunction.defaultReturnValue()
  - put
```
public double put(K k,
                  double v)
```
    Description copied from interface: Reference2DoubleFunction
    
    Adds a pair to the map.
    
    Specified by:
    
    put in interface Reference2DoubleFunction<K>
    
    Overrides:
    
    put in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Parameters:
    
    k - the key.
    
    v - the value.
    
    Returns:
    
    the old value, or the default return value if no value was present for the given key.
    
    See Also:
    
    Function.put(Object,Object)
  - putAll
```
public void putAll(Map<? extends K,? extends Double> m)
```
    Specified by:
    
    putAll in interface Map<K,Double>
  - reference2DoubleEntrySet
```
public ObjectSet<Reference2DoubleMap.Entry<K>> reference2DoubleEntrySet()
```
    Description copied from interface: Reference2DoubleMap
    
    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 Reference2DoubleMap.entrySet() so that it returns an ObjectSet of objects of type Map.Entry (the latter makes it possible to access keys and values with type-specific methods).
    
    Specified by:
    
    reference2DoubleEntrySet in interface Reference2DoubleMap<K>
    
    Returns:
    
    a type-specific set view of the mappings contained in this map.
    
    See Also:
    
    Reference2DoubleMap.entrySet()
  - keySet
```
public ReferenceSet<K> keySet()
```
    Description copied from interface: Reference2DoubleMap
    
    Returns a set view of the keys contained in this map.
    Note that this specification strengthens the one given in Map.keySet().
    
    Specified by:
    
    keySet in interface Reference2DoubleMap<K>
    
    Specified by:
    
    keySet in interface Map<K,Double>
    
    Returns:
    
    a set view of the keys contained in this map.
    
    See Also:
    
    Map.keySet()
  - values
```
public DoubleCollection values()
```
    Description copied from interface: Reference2DoubleMap
    
    Returns a set view of the values contained in this map.
    Note that this specification strengthens the one given in Map.values().
    
    Specified by:
    
    values in interface Reference2DoubleMap<K>
    
    Specified by:
    
    values in interface Map<K,Double>
    
    Returns:
    
    a set view of the values contained in this map.
    
    See Also:
    
    Map.values()
  - clear
```
public void clear()
```
    Description copied from interface: Function
    
    Removes all associations from this function (optional operation).
    
    Specified by:
    
    clear in interface Function<K,Double>
    
    Specified by:
    
    clear in interface Map<K,Double>
    
    Overrides:
    
    clear in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    See Also:
    
    Map.clear()
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Reference2DoubleFunctions.SynchronizedFunction<K>
  - put
```
public Double put(K k,
                  Double v)
```
    Description copied from class: AbstractReference2DoubleFunction
    
    Delegates to the corresponding type-specific method, taking care of returning null on a missing key.
    This method must check whether the provided key is in the map using containsKey(). Thus, it probes the map twice. Implementors of subclasses should override it with a more efficient method.
    
    Specified by:
    
    put in interface Function<K,Double>
    
    Specified by:
    
    put in interface Map<K,Double>
    
    Overrides:
    
    put in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Parameters:
    
    k - the key.
    
    v - the value.
    
    Returns:
    
    the old value, or null if no value was present for the given key.
    
    See Also:
    
    Map.put(Object,Object)
  - containsValue
```
public boolean containsValue(Object ov)
```
    Specified by:
    
    containsValue in interface Map<K,Double>
  - removeDouble
```
public double removeDouble(Object k)
```
    Description copied from interface: Reference2DoubleFunction
    
    Removes the mapping with the given key.
    
    Specified by:
    
    removeDouble in interface Reference2DoubleFunction<K>
    
    Overrides:
    
    removeDouble in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Parameters:
    
    k - the key.
    
    Returns:
    
    the old value, or the default return value if no value was present for the given key.
    
    See Also:
    
    Function.remove(Object)
  - getDouble
```
public double getDouble(Object k)
```
    Description copied from interface: Reference2DoubleFunction
    
    Returns the value to which the given key is mapped.
    
    Specified by:
    
    getDouble in interface Reference2DoubleFunction<K>
    
    Overrides:
    
    getDouble in class Reference2DoubleFunctions.SynchronizedFunction<K>
    
    Parameters:
    
    k - 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)
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Map<K,Double>
  - entrySet
```
public ObjectSet<Map.Entry<K,Double>> entrySet()
```
    Description copied from interface: Reference2DoubleMap
    
    Returns a set view of the mappings contained in this map.
    Note that this specification strengthens the one given in Map.entrySet().
    
    Specified by:
    
    entrySet in interface Reference2DoubleMap<K>
    
    Specified by:
    
    entrySet in interface Map<K,Double>
    
    Returns:
    
    a set view of the mappings contained in this map.
    
    See Also:
    
    Map.entrySet()
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface Map<K,Double>
    
    Overrides:
    
    hashCode in class Object
  - equals
```
public boolean equals(Object o)
```
    Specified by:
    
    equals in interface Map<K,Double>
    
    Overrides:
    
    equals in class Object

Class Reference2DoubleMaps.SynchronizedMap<K>

Nested Class Summary

Nested classes/interfaces inherited from interface it.unimi.dsi.fastutil.objects.Reference2DoubleMap

Method Summary

Methods inherited from class it.unimi.dsi.fastutil.objects.Reference2DoubleFunctions.SynchronizedFunction

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

Method Detail

size

containsKey

containsValue

defaultReturnValue

defaultReturnValue

put

putAll

reference2DoubleEntrySet

keySet

values

clear

toString

put

containsValue

removeDouble

getDouble

isEmpty

entrySet

hashCode

equals