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java.lang.Objectit.unimi.dsi.fastutil.objects.AbstractReference2FloatFunction<K>
it.unimi.dsi.fastutil.objects.Reference2FloatFunctions.SynchronizedFunction<K>
public static class Reference2FloatFunctions.SynchronizedFunction<K>
A synchronized wrapper class for functions.
Field Summary | |
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protected Reference2FloatFunction<K> |
function
|
static long |
serialVersionUID
|
protected Object |
sync
|
Fields inherited from class it.unimi.dsi.fastutil.objects.AbstractReference2FloatFunction |
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defRetValue |
Constructor Summary | |
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protected |
Reference2FloatFunctions.SynchronizedFunction(Reference2FloatFunction<K> f)
|
protected |
Reference2FloatFunctions.SynchronizedFunction(Reference2FloatFunction<K> f,
Object sync)
|
Method Summary | |
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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. |
float |
defaultReturnValue()
Gets the default return value. |
void |
defaultReturnValue(float defRetValue)
Sets the default return value. |
Float |
get(Object k)
Delegates to the corresponding type-specific method, taking care of returning null on a missing key. |
float |
getFloat(Object k)
Returns the value to which the given key is mapped. |
float |
put(K k,
float v)
Adds a pair to the map. |
Float |
put(K k,
Float v)
Delegates to the corresponding type-specific method, taking care of returning null on a missing key. |
Float |
remove(Object k)
Delegates to the corresponding type-specific method, taking care of returning null on a missing key. |
float |
removeFloat(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()
|
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final long serialVersionUID
protected final Reference2FloatFunction<K> function
protected final Object sync
Constructor Detail |
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protected Reference2FloatFunctions.SynchronizedFunction(Reference2FloatFunction<K> f, Object sync)
protected Reference2FloatFunctions.SynchronizedFunction(Reference2FloatFunction<K> f)
Method Detail |
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public int size()
Function
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.
size
in interface Function<K,Float>
public boolean containsKey(Object k)
Function
Note that for some kind of functions (e.g., hashes) this method will always return true.
containsKey
in interface Function<K,Float>
k
- the key.
key
.Map.containsKey(Object)
public float defaultReturnValue()
Reference2FloatFunction
defaultReturnValue
in interface Reference2FloatFunction<K>
defaultReturnValue
in class AbstractReference2FloatFunction<K>
public void defaultReturnValue(float defRetValue)
Reference2FloatFunction
get()
, put()
and remove()
to
denote that the map does not contain the specified key. It must be
0/false
/null
by default.
defaultReturnValue
in interface Reference2FloatFunction<K>
defaultReturnValue
in class AbstractReference2FloatFunction<K>
defRetValue
- the new default return value.Reference2FloatFunction.defaultReturnValue()
public float put(K k, float v)
Reference2FloatFunction
put
in interface Reference2FloatFunction<K>
put
in class AbstractReference2FloatFunction<K>
k
- the key.v
- the value.
Function.put(Object,Object)
public void clear()
Function
clear
in interface Function<K,Float>
clear
in class AbstractReference2FloatFunction<K>
Map.clear()
public String toString()
toString
in class Object
public Float put(K k, Float v)
AbstractReference2FloatFunction
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.
put
in interface Function<K,Float>
put
in class AbstractReference2FloatFunction<K>
k
- the key.v
- the value.
null
if no value was present for the given key.Map.put(Object,Object)
public Float get(Object k)
AbstractReference2FloatFunction
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.
get
in interface Function<K,Float>
get
in class AbstractReference2FloatFunction<K>
k
- the key.
null
if no value was present for the given key.Map.get(Object)
public Float remove(Object k)
AbstractReference2FloatFunction
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.
remove
in interface Function<K,Float>
remove
in class AbstractReference2FloatFunction<K>
null
if no value was present for the given key.Map.remove(Object)
public float removeFloat(Object k)
Reference2FloatFunction
removeFloat
in interface Reference2FloatFunction<K>
removeFloat
in class AbstractReference2FloatFunction<K>
Function.remove(Object)
public float getFloat(Object k)
Reference2FloatFunction
getFloat
in interface Reference2FloatFunction<K>
k
- the key.
Function.get(Object)
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