Class SpanOrQuery

Matches the union of its clauses.

Inheritance
object
Query
SpanQuery
SpanOrQuery
Inherited Members
Namespace: Lucene.Net.Search.Spans
Assembly: Lucene.Net.dll
Syntax
public class SpanOrQuery : SpanQuery

Constructors

SpanOrQuery(params SpanQuery[])

Construct a SpanOrQuery merging the provided clauses.

Declaration
public SpanOrQuery(params SpanQuery[] clauses)
Parameters
Type Name Description
SpanQuery[] clauses

Properties

Field

Returns the name of the field matched by this query.

Note that this may return null if the query matches no terms.
Declaration
public override string Field { get; }
Property Value
Type Description
string
Overrides

Methods

AddClause(SpanQuery)

Adds a clause to this query

Declaration
public void AddClause(SpanQuery clause)
Parameters
Type Name Description
SpanQuery clause

Clone()

Returns a clone of this query.

Declaration
public override object Clone()
Returns
Type Description
object
Overrides

Equals(object)

Determines whether the specified object is equal to the current object.

Declaration
public override bool Equals(object o)
Parameters
Type Name Description
object o
Returns
Type Description
bool

true if the specified object is equal to the current object; otherwise, false.
Overrides

ExtractTerms(ISet<Term>)

Expert: adds all terms occurring in this query to the terms set. Only works if this query is in its rewritten (Rewrite(IndexReader)) form.

Declaration
public override void ExtractTerms(ISet<Term> terms)
Parameters
Type Name Description
ISet<Term> terms
Overrides
Exceptions
Type Condition
InvalidOperationException

If this query is not yet rewritten

GetClauses()

Return the clauses whose spans are matched.

Declaration
public virtual SpanQuery[] GetClauses()
Returns
Type Description
SpanQuery[]

GetHashCode()

Serves as the default hash function.

Declaration
public override int GetHashCode()
Returns
Type Description
int

A hash code for the current object.
Overrides

GetSpans(AtomicReaderContext, IBits, IDictionary<Term, TermContext>)

Expert: Returns the matches for this query in an index. Used internally to search for spans.

Declaration
public override Spans GetSpans(AtomicReaderContext context, IBits acceptDocs, IDictionary<Term, TermContext> termContexts)
Parameters
Type Name Description
AtomicReaderContext context
IBits acceptDocs
IDictionary<Term, TermContext> termContexts
Returns
Type Description
Spans
Overrides

Rewrite(IndexReader)

Expert: called to re-write queries into primitive queries. For example, a PrefixQuery will be rewritten into a BooleanQuery that consists of TermQuerys.

Declaration
public override Query Rewrite(IndexReader reader)
Parameters
Type Name Description
IndexReader reader
Returns
Type Description
Query
Overrides

ToString(string)

Prints a query to a string, with field assumed to be the default field and omitted.

Declaration
public override string ToString(string field)
Parameters
Type Name Description
string field
Returns
Type Description
string
Overrides