public class ProbabilityEntitySelector extends AbstractEntitySelector implements SelectionCacheLifecycleListener
Modifier and Type | Field and Description |
---|---|
protected NavigableMap<Double,Object> |
cachedEntityMap |
protected SelectionCacheType |
cacheType |
protected EntitySelector |
childEntitySelector |
protected SelectionProbabilityWeightFactory |
probabilityWeightFactory |
protected double |
probabilityWeightTotal |
logger, phaseLifecycleSupport, workingRandom
Constructor and Description |
---|
ProbabilityEntitySelector(EntitySelector childEntitySelector,
SelectionCacheType cacheType,
SelectionProbabilityWeightFactory probabilityWeightFactory) |
Modifier and Type | Method and Description |
---|---|
void |
constructCache(DefaultSolverScope solverScope) |
void |
disposeCache(DefaultSolverScope solverScope) |
Iterator<Object> |
endingIterator()
If
Selector.isNeverEnding() is true, then Iterable.iterator() will never end. |
SelectionCacheType |
getCacheType()
Unless this selector itself caches, this returns
SelectionCacheType.JUST_IN_TIME ,
even if a selector child caches. |
EntityDescriptor |
getEntityDescriptor() |
long |
getSize()
A random JIT
Selector with Selector.isNeverEnding() true should return a size
as if it would be able to return each distinct element only once,
because the size can be used in SelectionProbabilityWeightFactory . |
boolean |
isCountable()
If false, then
Selector.isNeverEnding() is true. |
boolean |
isNeverEnding()
Is true if
Selector.isCountable() is false
or if this selector is in random order (for most cases). |
Iterator<Object> |
iterator() |
ListIterator<Object> |
listIterator() |
ListIterator<Object> |
listIterator(int index) |
String |
toString() |
phaseEnded, phaseStarted, solvingEnded, solvingStarted, stepEnded, stepStarted
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
phaseEnded, phaseStarted, stepEnded, stepStarted
solvingEnded, solvingStarted
forEach, spliterator
protected final EntitySelector childEntitySelector
protected final SelectionCacheType cacheType
protected final SelectionProbabilityWeightFactory probabilityWeightFactory
protected NavigableMap<Double,Object> cachedEntityMap
protected double probabilityWeightTotal
public ProbabilityEntitySelector(EntitySelector childEntitySelector, SelectionCacheType cacheType, SelectionProbabilityWeightFactory probabilityWeightFactory)
public SelectionCacheType getCacheType()
Selector
SelectionCacheType.JUST_IN_TIME
,
even if a selector child caches.getCacheType
in interface Selector
getCacheType
in class AbstractSelector
public void constructCache(DefaultSolverScope solverScope)
constructCache
in interface SelectionCacheLifecycleListener
public void disposeCache(DefaultSolverScope solverScope)
disposeCache
in interface SelectionCacheLifecycleListener
public EntityDescriptor getEntityDescriptor()
getEntityDescriptor
in interface EntitySelector
public boolean isCountable()
Selector
Selector.isNeverEnding()
is true.isCountable
in interface Selector
ValueRange
s are countable
(for example a double value range between 1.2 and 1.4 is not countable)public boolean isNeverEnding()
Selector
Selector.isCountable()
is false
or if this selector is in random order (for most cases).
Is never true when this selector is in shuffled order (which is less scalable but more exact).isNeverEnding
in interface Selector
Iterator.hasNext()
of the Iterator
created by Iterable.iterator()
never returns false (except when it's empty).public long getSize()
IterableSelector
Selector
with Selector.isNeverEnding()
true should return a size
as if it would be able to return each distinct element only once,
because the size can be used in SelectionProbabilityWeightFactory
.getSize
in interface IterableSelector<Object>
Selector
, always >= 0
public ListIterator<Object> listIterator()
listIterator
in interface ListIterable<Object>
List.listIterator()
.List.listIterator()
public ListIterator<Object> listIterator(int index)
listIterator
in interface ListIterable<Object>
index
- lower than the size of this ListIterable
, see List.listIterator(int)
.List.listIterator(int)
.List.listIterator()
public Iterator<Object> endingIterator()
EntitySelector
Selector.isNeverEnding()
is true, then Iterable.iterator()
will never end.
This returns an ending Iterator
, that tries to match Iterable.iterator()
as much as possible,
but returns each distinct element only once and returns every element that might possibly be selected
and therefore it might not respect the configuration of this EntitySelector
entirely.endingIterator
in interface EntitySelector
Iterable.iterator()
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