Package org.apache.lucene.search.spans

Class SpanOrQuery

java.lang.Object
org.apache.lucene.search.Query
org.apache.lucene.search.spans.SpanQuery
org.apache.lucene.search.spans.SpanOrQuery
All Implemented Interfaces:
Cloneable
public class SpanOrQuery extends SpanQuery implements Cloneable
Matches the union of its clauses.

  • Constructor Details

    • SpanOrQuery

      public SpanOrQuery(SpanQuery... clauses)
      Construct a SpanOrQuery merging the provided clauses.

  • Method Details

    • addClause

      public final void addClause(SpanQuery clause)
      Adds a clause to this query

    • getClauses

      public SpanQuery[] getClauses()
      Return the clauses whose spans are matched.

    • getField

      public String getField()
      Description copied from class: SpanQuery
      Returns the name of the field matched by this query.

      Note that this may return null if the query matches no terms.

      Specified by:
      getField in class SpanQuery

    • extractTerms

      public void extractTerms(Set<Term> terms)
      Description copied from class: Query
      Expert: adds all terms occurring in this query to the terms set. Only works if this query is in its rewritten form.
      Overrides:
      extractTerms in class Query

    • clone

      public SpanOrQuery clone()
      Description copied from class: Query
      Returns a clone of this query.
      Overrides:
      clone in class Query

    • rewrite

      public Query rewrite(IndexReader reader) throws IOException
      Description copied from class: Query
      Expert: called to re-write queries into primitive queries. For example, a PrefixQuery will be rewritten into a BooleanQuery that consists of TermQuerys.
      Overrides:
      rewrite in class Query
      Throws:
      IOException

    • toString

      public String toString(String field)
      Description copied from class: Query
      Prints a query to a string, with field assumed to be the default field and omitted.
      Specified by:
      toString in class Query

    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Query

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Query

    • getSpans

      public Spans getSpans(AtomicReaderContext context, Bits acceptDocs, Map<Term,TermContext> termContexts) throws IOException
      Description copied from class: SpanQuery
      Expert: Returns the matches for this query in an index. Used internally to search for spans.
      Specified by:
      getSpans in class SpanQuery
      Throws:
      IOException