org.hibernate.search.spatial.impl

Class SpatialHashFilter

java.lang.Object

org.apache.lucene.search.Query

org.apache.lucene.search.Filter

org.hibernate.search.spatial.impl.SpatialHashFilter

All Implemented Interfaces:

Cloneable

public final class SpatialHashFilter
extends Filter

Lucene Filter for filtering documents which have been indexed with Hibernate Search Spatial SpatialFieldBridge Use denormalized spatial hash cell ids to return a sub set of documents near the center

Author:

Nicolas Helleringer

See Also:

SpatialFieldBridgeByHash, Coordinates

Constructor Summary

Constructors

Constructor and Description
SpatialHashFilter(List<String> spatialHashCellsIds, String fieldName)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
DocIdSet	getDocIdSet(LeafReaderContext context, Bits acceptDocs) Search the index for document having the correct spatial hash cell id at given grid level.
int	hashCode()
String	toString(String field)

Methods inherited from class org.apache.lucene.search.Filter

rewrite

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

clone, createWeight, getBoost, setBoost, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

SpatialHashFilter

public SpatialHashFilter(List<String> spatialHashCellsIds,
                         String fieldName)

Method Detail

getDocIdSet

public DocIdSet getDocIdSet(LeafReaderContext context,
                            Bits acceptDocs)
                     throws IOException

Search the index for document having the correct spatial hash cell id at given grid level.

Specified by:

getDocIdSet in class Filter

Parameters:

context - the LeafReaderContext for which to return the DocIdSet.

acceptDocs - Bits that represent the allowable docs to match (typically deleted docs but possibly filtering other documents)

Returns:

a DocIdSet with the document ids matching

Throws:

IOException

hashCode

public int hashCode()

Overrides:

hashCode in class Query

equals

public boolean equals(Object obj)

Overrides:

equals in class Query

toString

public String toString(String field)

Specified by:

toString in class Query