public class ValueSourceGroupSelector extends GroupSelector<MutableValue>
GroupSelector.State
Constructor and Description |
---|
ValueSourceGroupSelector(ValueSource valueSource,
Map<?,?> context)
Create a new ValueSourceGroupSelector
|
Modifier and Type | Method and Description |
---|---|
GroupSelector.State |
advanceTo(int doc)
Advance the GroupSelector's iterator to the given document
|
MutableValue |
copyValue() |
MutableValue |
currentValue()
Get the group value of the current document
N.B.
|
void |
setGroups(Collection<SearchGroup<MutableValue>> searchGroups)
Set a restriction on the group values returned by this selector
If the selector is positioned on a document whose group value is not contained
within this set, then
GroupSelector.advanceTo(int) will return GroupSelector.State.SKIP |
void |
setNextReader(LeafReaderContext readerContext)
Set the LeafReaderContext
|
void |
setScorer(Scorable scorer)
Set the current Scorer
|
public ValueSourceGroupSelector(ValueSource valueSource, Map<?,?> context)
valueSource
- the ValueSource to group bycontext
- a context map for the ValueSourcepublic void setNextReader(LeafReaderContext readerContext) throws IOException
GroupSelector
setNextReader
in class GroupSelector<MutableValue>
IOException
public void setScorer(Scorable scorer) throws IOException
GroupSelector
setScorer
in class GroupSelector<MutableValue>
IOException
public GroupSelector.State advanceTo(int doc) throws IOException
GroupSelector
advanceTo
in class GroupSelector<MutableValue>
IOException
public MutableValue currentValue() throws IOException
GroupSelector
GroupSelector.copyValue()
currentValue
in class GroupSelector<MutableValue>
IOException
public MutableValue copyValue()
copyValue
in class GroupSelector<MutableValue>
public void setGroups(Collection<SearchGroup<MutableValue>> searchGroups)
GroupSelector
GroupSelector.advanceTo(int)
will return GroupSelector.State.SKIP
setGroups
in class GroupSelector<MutableValue>
searchGroups
- a set of SearchGroup
objects to limit selections toCopyright © 2000-2020 Apache Software Foundation. All Rights Reserved.