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 final class SpanOrQuery
      extends SpanQuery

  Matches the union of its clauses.

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `class` | `SpanOrQuery.SpanOrWeight`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `SpanOrQuery(SpanQuery... clauses)` Construct a SpanOrQuery merging the provided clauses.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addClause(SpanQuery clause)` Deprecated. All clauses should be provided at `construction-time`.
    `SpanWeight` | `createWeight(IndexSearcher searcher, boolean needsScores)` Create a SpanWeight for this query
    `boolean` | `equals(Object o)`
    `SpanQuery[]` | `getClauses()` Return the clauses whose spans are matched.
    `String` | `getField()` Returns the name of the field matched by this query.
    `int` | `hashCode()`
    `Query` | `rewrite(IndexReader reader)` Expert: called to re-write queries into primitive queries.
    `String` | `toString(String field)` Prints a query to a string, with `field` assumed to be the default field and omitted.

    - ### Methods inherited from class org.apache.lucene.search.spans.SpanQuery

      `getTermContexts, getTermContexts`

    - ### Methods inherited from class org.apache.lucene.search.Query

      `clone, getBoost, setBoost, toString`

    - ### Methods inherited from class java.lang.Object

      `finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### SpanOrQuery

          public SpanOrQuery(SpanQuery... clauses)

      Construct a SpanOrQuery merging the provided clauses. All clauses must have the same field.

  - ### Method Detail

    - #### addClause

          @Deprecated
          public final void addClause(SpanQuery clause)

      Deprecated. All clauses should be provided at `construction-time`.
      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.
      Specified by:
        `getField` in class `SpanQuery`

    - #### 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 `SpanQuery`
      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`

    - #### createWeight

          public SpanWeight createWeight(IndexSearcher searcher,
                                boolean needsScores)
                                  throws IOException

      Description copied from class: `SpanQuery`
      Create a SpanWeight for this query
      Specified by:
        `createWeight` in class `SpanQuery`
      Parameters:
        `searcher` - the IndexSearcher to be searched across
        `needsScores` - if the query needs scores
      Returns:
        a SpanWeight
      Throws:
        `IOException` - on error

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