Class TopSuggestDocsCollector
- java.lang.Object
-
- org.apache.lucene.search.SimpleCollector
-
- org.apache.lucene.search.suggest.document.TopSuggestDocsCollector
-
- All Implemented Interfaces:
Collector
,LeafCollector
public class TopSuggestDocsCollector extends SimpleCollector
Collector
that collects completion and score, along with document idNon scoring collector that collect completions in order of their pre-computed scores.
NOTE: One document can be collected multiple times if a document is matched for multiple unique completions for a given query
Subclasses should only override
collect(int, CharSequence, CharSequence, float)
.NOTE:
SimpleCollector.setScorer(org.apache.lucene.search.Scorable)
andcollect(int)
is not used- WARNING: This API is experimental and might change in incompatible ways in the next release.
-
-
Field Summary
Fields Modifier and Type Field Description protected int
docBase
Document base offset for the current Leaf
-
Constructor Summary
Constructors Constructor Description TopSuggestDocsCollector(int num, boolean skipDuplicates)
Sole constructor
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
collect(int doc)
Ignoredvoid
collect(int docID, CharSequence key, CharSequence context, float score)
Called for every matched completion, similar toLeafCollector.collect(int)
but for completions.protected void
doSetNextReader(LeafReaderContext context)
protected boolean
doSkipDuplicates()
Returns true if duplicates are filtered outTopSuggestDocs
get()
Returns at mostnum
Top scoringTopSuggestDocs
sint
getCountToCollect()
Returns the number of results to be collectedScoreMode
scoreMode()
Ignored-
Methods inherited from class org.apache.lucene.search.SimpleCollector
getLeafCollector, setScorer
-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface org.apache.lucene.search.LeafCollector
competitiveIterator
-
-
-
-
Method Detail
-
doSkipDuplicates
protected boolean doSkipDuplicates()
Returns true if duplicates are filtered out
-
getCountToCollect
public int getCountToCollect()
Returns the number of results to be collected
-
doSetNextReader
protected void doSetNextReader(LeafReaderContext context) throws IOException
- Overrides:
doSetNextReader
in classSimpleCollector
- Throws:
IOException
-
collect
public void collect(int docID, CharSequence key, CharSequence context, float score) throws IOException
Called for every matched completion, similar toLeafCollector.collect(int)
but for completions.NOTE: collection at the leaf level is guaranteed to be in descending order of score
- Throws:
IOException
-
get
public TopSuggestDocs get() throws IOException
Returns at mostnum
Top scoringTopSuggestDocs
s- Throws:
IOException
-
collect
public void collect(int doc) throws IOException
Ignored- Specified by:
collect
in interfaceLeafCollector
- Specified by:
collect
in classSimpleCollector
- Throws:
IOException
-
scoreMode
public ScoreMode scoreMode()
Ignored
-
-