er.neo4jadaptor.storage.lucene

Class LuceneStore<Type extends org.neo4j.graphdb.PropertyContainer>

java.lang.Object

er.neo4jadaptor.storage.lucene.LuceneStore<Type>

Type Parameters:

Type -

All Implemented Interfaces:

Store<Neo4JErsatz,Neo4JErsatz>

public class LuceneStore<Type extends org.neo4j.graphdb.PropertyContainer>
extends Object
implements Store<Neo4JErsatz,Neo4JErsatz>

Store that maintains record representation in Lucene documents. Each EO attribute is stored as a separate document field, plus there an extra property "#_type" added for storing entity name.

Author:

Jedrzej Sobanski

Field Summary

Fields

Modifier and Type	Field and Description
static String	TYPE_PROPERTY_NAME

Constructor Summary

Constructors

Constructor and Description
LuceneStore(org.neo4j.graphdb.GraphDatabaseService db, EOEntity entity)

Method Summary

Modifier and Type	Method and Description
void	delete(Neo4JErsatz neoErsatz) Delete record from the store.
Neo4JErsatz	insert(Neo4JErsatz row) Creates a new record in the store.
Ersatz	newPrimaryKey() Generate new primary key.
Cursor<Neo4JErsatz>	query(EOQualifier q) Query for records matching EO qualifier.
void	update(Ersatz newValues, Neo4JErsatz neoErsatz) Update record with the given values.

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_PROPERTY_NAME

public static final String TYPE_PROPERTY_NAME

See Also:

Constant Field Values

Constructor Detail

LuceneStore

public LuceneStore(org.neo4j.graphdb.GraphDatabaseService db,
                   EOEntity entity)

Method Detail

insert

public Neo4JErsatz insert(Neo4JErsatz row)

Description copied from interface: Store

Creates a new record in the store.

Specified by:

insert in interface Store<Neo4JErsatz,Neo4JErsatz>

Parameters:

row - inserted object description

Returns:

saved object corresponding to toInsert

update

public void update(Ersatz newValues,
                   Neo4JErsatz neoErsatz)

Description copied from interface: Store

Update record with the given values.

Specified by:

update in interface Store<Neo4JErsatz,Neo4JErsatz>

Parameters:

newValues - new values, can be partial ersatz

neoErsatz - ersatz representing record to be updated

delete

public void delete(Neo4JErsatz neoErsatz)

Description copied from interface: Store

Delete record from the store.

Specified by:

delete in interface Store<Neo4JErsatz,Neo4JErsatz>

Parameters:

neoErsatz - ersatz representing record to be deleted

query

public Cursor<Neo4JErsatz> query(EOQualifier q)

Description copied from interface: Store

Query for records matching EO qualifier.

Specified by:

query in interface Store<Neo4JErsatz,Neo4JErsatz>

Parameters:

q - qualifier

Returns:

query results

newPrimaryKey

public Ersatz newPrimaryKey()

Description copied from interface: Store

Generate new primary key.

Specified by:

newPrimaryKey in interface Store<Neo4JErsatz,Neo4JErsatz>

Returns:

primary key partial ersatz