SpanQuery (Lucene 3.6.2 API)

java.lang.Object
- org.apache.lucene.search.Query
- - org.apache.lucene.search.spans.SpanQuery

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

FieldMaskingSpanQuery, SpanMultiTermQueryWrapper, SpanNearQuery, SpanNotQuery, SpanOrQuery, SpanPositionCheckQuery, SpanTermQuery
```
public abstract class SpanQuery
extends Query
```
Base class for span-based queries.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

SpanQuery()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`Weight`	`createWeight(Searcher searcher)`	Expert: Constructs an appropriate Weight implementation for this query.
`abstract String`	`getField()`	Returns the name of the field matched by this query.
`abstract Spans`	`getSpans(IndexReader reader)`	Expert: Returns the matches for this query in an index.

Methods inherited from class org.apache.lucene.search.Query
clone, combine, equals, extractTerms, getBoost, getSimilarity, hashCode, mergeBooleanQueries, rewrite, setBoost, toString, toString, weight

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - SpanQuery
```
public SpanQuery()
```
- Method Detail
  - getSpans
```
public abstract Spans getSpans(IndexReader reader)
                        throws IOException
```
    Expert: Returns the matches for this query in an index. Used internally to search for spans.
    
    Throws:
    
    IOException
  - getField
```
public abstract String getField()
```
    Returns the name of the field matched by this query.
  - createWeight
```
public Weight createWeight(Searcher searcher)
                    throws IOException
```
    Description copied from class: Query
    
    Expert: Constructs an appropriate Weight implementation for this query.
    Only implemented by primitive queries, which re-write to themselves.
    
    Overrides:
    
    createWeight in class Query
    
    Throws:
    
    IOException