Package org.apache.lucene.search
Class MatchesUtils
- java.lang.Object
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- org.apache.lucene.search.MatchesUtils
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public final class MatchesUtils extends Object
Contains static functions that aid the implementation ofMatchesandMatchesIteratorinterfaces.
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Field Summary
Fields Modifier and Type Field Description static MatchesMATCH_WITH_NO_TERMSIndicates a match with no term positions, for example on a Point or DocValues field, or a field indexed as docs and freqs only
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static MatchesIteratordisjunction(List<MatchesIterator> subMatches)Create a MatchesIterator that iterates in order over all matches in a set of subiteratorsstatic MatchesIteratordisjunction(LeafReaderContext context, int doc, Query query, String field, BytesRefIterator terms)Create a MatchesIterator that is a disjunction over a list of terms extracted from aBytesRefIterator.static MatchesforField(String field, IOSupplier<MatchesIterator> mis)Create a Matches for a single fieldstatic MatchesfromSubMatches(List<Matches> subMatches)Amalgamate a collection ofMatchesinto a single object
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Field Detail
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MATCH_WITH_NO_TERMS
public static final Matches MATCH_WITH_NO_TERMS
Indicates a match with no term positions, for example on a Point or DocValues field, or a field indexed as docs and freqs only
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Method Detail
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fromSubMatches
public static Matches fromSubMatches(List<Matches> subMatches)
Amalgamate a collection ofMatchesinto a single object
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forField
public static Matches forField(String field, IOSupplier<MatchesIterator> mis) throws IOException
Create a Matches for a single field- Throws:
IOException
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disjunction
public static MatchesIterator disjunction(List<MatchesIterator> subMatches) throws IOException
Create a MatchesIterator that iterates in order over all matches in a set of subiterators- Throws:
IOException
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disjunction
public static MatchesIterator disjunction(LeafReaderContext context, int doc, Query query, String field, BytesRefIterator terms) throws IOException
Create a MatchesIterator that is a disjunction over a list of terms extracted from aBytesRefIterator.Only terms that have at least one match in the given document will be included
- Throws:
IOException
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