org.hibernate.search.elasticsearch.nulls.codec.impl

Class ElasticsearchDoubleNullMarkerCodec

java.lang.Object

org.hibernate.search.elasticsearch.nulls.codec.impl.ElasticsearchDoubleNullMarkerCodec

All Implemented Interfaces:

NullMarkerCodec

public class ElasticsearchDoubleNullMarkerCodec
extends Object

Author:

Sanne Grinovero

Field Summary

Fields

Modifier and Type	Field and Description
protected NullMarker	nullMarker

Constructor Summary

Constructors

Constructor and Description
ElasticsearchDoubleNullMarkerCodec(NullMarker nullMarker)

Method Summary

Modifier and Type	Method and Description
Query	createNullMatchingQuery(String fieldName) Create a Query to find all documents which have a 'null' value encoded in the specified field
void	encodeNullValue(String fieldName, Document document, LuceneOptions luceneOptions) Store the null marker in the Document.
NullMarker	getNullMarker()
boolean	representsNullValue(IndexableField field) Check if the field represents the encoding for a null element
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

nullMarker

protected final NullMarker nullMarker

Constructor Detail

ElasticsearchDoubleNullMarkerCodec

public ElasticsearchDoubleNullMarkerCodec(NullMarker nullMarker)

Method Detail

createNullMatchingQuery

public Query createNullMatchingQuery(String fieldName)

Description copied from interface: NullMarkerCodec

Create a Query to find all documents which have a 'null' value encoded in the specified field

Parameters:

fieldName - the field to target with the Query

Returns:

a new Lucene Query

getNullMarker

public NullMarker getNullMarker()

Specified by:

getNullMarker in interface NullMarkerCodec

Returns:

The null marker used by this codec.

encodeNullValue

public void encodeNullValue(String fieldName,
                            Document document,
                            LuceneOptions luceneOptions)

Description copied from interface: NullMarkerCodec

Store the null marker in the Document. Some implementations might not do anything

Specified by:

encodeNullValue in interface NullMarkerCodec

Parameters:

fieldName - the name of the field

document - the document where to store the null marker

luceneOptions - indexing options

representsNullValue

public boolean representsNullValue(IndexableField field)

Description copied from interface: NullMarkerCodec

Check if the field represents the encoding for a null element

Specified by:

representsNullValue in interface NullMarkerCodec

Parameters:

field - the fields to check

Returns:

true if the field argument is representing the encoding for a null element.

toString

public String toString()

Overrides:

toString in class Object