org.hibernate.search.bridge.builtin.impl

Class NullEncodingTwoWayFieldBridge

java.lang.Object

org.hibernate.search.bridge.builtin.impl.NullEncodingTwoWayFieldBridge

All Implemented Interfaces:

FieldBridge, StringBridge, TwoWayFieldBridge, BridgeAdaptor

public class NullEncodingTwoWayFieldBridge
extends Object
implements TwoWayFieldBridge, BridgeAdaptor

Author:

Hardy Ferentschik

Constructor Summary

Constructors

Constructor and Description
NullEncodingTwoWayFieldBridge(TwoWayFieldBridge fieldBridge, NullMarkerCodec nullTokenCodec)

Method Summary

Modifier and Type	Method and Description
Query	buildNullQuery(String fieldName)
Object	get(String name, Document document) Build the element object from the Document
String	objectToString(Object object) Convert the object representation to a string.
void	set(String name, Object value, Document document, LuceneOptions luceneOptions) Manipulate the document to index the given value.
<T> T	unwrap(Class<T> bridgeClass) Return an object of the specified type to allow access to specific bridge interfaces.

Methods inherited from class java.lang.Object

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

Constructor Detail

NullEncodingTwoWayFieldBridge

public NullEncodingTwoWayFieldBridge(TwoWayFieldBridge fieldBridge,
                                     NullMarkerCodec nullTokenCodec)

Method Detail

get

public Object get(String name,
                  Document document)

Description copied from interface: TwoWayFieldBridge

Build the element object from the Document

Specified by:

get in interface TwoWayFieldBridge

Parameters:

name - field name

document - document

Returns:

The return value is the entity property value.

objectToString

public String objectToString(Object object)

Description copied from interface: TwoWayFieldBridge

Convert the object representation to a string.

Specified by:

objectToString in interface StringBridge

Specified by:

objectToString in interface TwoWayFieldBridge

Parameters:

object - The object to index.

Returns:

string (index) representation of the specified object. Must not be null, but can be empty.

unwrap

public <T> T unwrap(Class<T> bridgeClass)

Description copied from interface: BridgeAdaptor

Return an object of the specified type to allow access to specific bridge interfaces.

If no adapted bridge matches this type, null is returned.

Specified by:

unwrap in interface BridgeAdaptor

Returns:

An instance of the specified class, or null if there is none.

set

public void set(String name,
                Object value,
                Document document,
                LuceneOptions luceneOptions)

Description copied from interface: FieldBridge

Manipulate the document to index the given value.

A common implementation is to add a Field with the given name to document following the parameters luceneOptions if the value is not null.

 
 String fieldValue = convertToString(value);
 luceneOptions.addFieldToDocument(name, fieldValue, document);
 
 

Specified by:

set in interface FieldBridge

Parameters:

name - The field to add to the Lucene document

value - The actual value to index

document - The Lucene document into which we want to index the value.

luceneOptions - Contains the parameters used for adding value to the Lucene document.

buildNullQuery

public Query buildNullQuery(String fieldName)