public abstract class SpanQuery extends Query
Constructor and Description |
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SpanQuery() |
Modifier and Type | Method and Description |
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protected Weight |
createWeight(Searcher searcher)
Expert: Constructs an appropriate Weight implementation for this query.
|
abstract String |
getField()
Returns the name of the field matched by this query.
|
PayloadSpans |
getPayloadSpans(IndexReader reader)
Returns the matches for this query in an index, including access to any
Payload s at those
positions. |
abstract Spans |
getSpans(IndexReader reader)
Expert: Returns the matches for this query in an index.
|
abstract Collection |
getTerms()
Deprecated.
use extractTerms instead
|
clone, combine, extractTerms, getBoost, getSimilarity, mergeBooleanQueries, rewrite, setBoost, toString, toString, weight
public abstract Spans getSpans(IndexReader reader) throws IOException
IOException
public PayloadSpans getPayloadSpans(IndexReader reader) throws IOException
Payload
s at those
positions. Implementing classes that want access to the payloads will need to implement this.reader
- The IndexReader
to use to get spans/payloadsIOException
- if there is an error accessing the payload
WARNING: The status of the Payloads feature is experimental.
The APIs introduced here might change in the future and will not be
supported anymore in such a case.public abstract String getField()
public abstract Collection getTerms()
Query.extractTerms(Set)
protected Weight createWeight(Searcher searcher) throws IOException
Query
Only implemented by primitive queries, which re-write to themselves.
createWeight
in class Query
IOException
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