public abstract class SpanQuery extends Query
Constructor and Description |
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SpanQuery() |
Modifier and Type | Method and Description |
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abstract SpanWeight |
createWeight(IndexSearcher searcher,
boolean needsScores)
Create a SpanWeight for this query
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abstract String |
getField()
Returns the name of the field matched by this query.
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static Map<Term,TermContext> |
getTermContexts(Collection<SpanWeight> weights)
Build a map of terms to termcontexts, for use in constructing SpanWeights
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static Map<Term,TermContext> |
getTermContexts(SpanWeight... weights)
Build a map of terms to termcontexts, for use in constructing SpanWeights
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Query |
rewrite(IndexReader reader)
Expert: called to re-write queries into primitive queries.
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public abstract String getField()
public abstract SpanWeight createWeight(IndexSearcher searcher, boolean needsScores) throws IOException
createWeight
in class Query
searcher
- the IndexSearcher to be searched acrossneedsScores
- if the query needs scoresIOException
- on errorpublic static Map<Term,TermContext> getTermContexts(SpanWeight... weights)
public static Map<Term,TermContext> getTermContexts(Collection<SpanWeight> weights)
public Query rewrite(IndexReader reader) throws IOException
Query
rewrite
in class Query
IOException
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