com.impetus.kundera.index

Class IndexManager

java.lang.Object

com.impetus.kundera.index.IndexManager

public class IndexManager
extends Object

Manager responsible to co-ordinate with an Indexer. It is bound with EntityManager.

Author:

animesh.kumar

Field Summary

Fields

Modifier and Type	Field and Description
private Indexer	indexer The indexer.
private EntityManagerFactoryImpl.KunderaMetadata	kunderaMetadata

Constructor Summary

Constructors

Constructor and Description
IndexManager(Indexer indexer, EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata) The Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	close() Closes the transaction along with RAM directory.
Map<String,Object>	fetchRelation(Class<?> clazz, String query) Searches on the index.
void	flush() Flushes out the indexes, keeping RAM directory open.
Indexer	getIndexer()
private void	onEmbeddable(Object entity, Class<?> clazz, MetamodelImpl metaModel, Map<String,Object> indexCollection)
void	remove(EntityMetadata metadata, Object entity, Object key) Removes an object from Index.
Map<String,Object>	search(Class<?> parentClass, Class<?> childClass, Object entityId)
Map<String,Object>	search(Class<?> clazz, String query) Deprecated.
Map<String,Object>	search(Class<?> clazz, String query, int count) Search.
Map<String,Object>	search(Class<?> clazz, String query, int start, int count) Search.
Map<String,Object>	search(Class<?> clazz, String query, int start, int count, boolean fetchRelation) Search.
Map<String,Object>	search(EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata, KunderaQuery kunderaQuery, PersistenceDelegator persistenceDelegator, EntityMetadata m, int maxResults)
void	update(EntityMetadata metadata, Object entity, Object parentId, Class<?> clazz) Updates the index for an object.
void	write(EntityMetadata metadata, Object entity) Indexes an object.
void	write(EntityMetadata metadata, Object entity, String parentId, Class<?> clazz) Indexes an object.

Methods inherited from class java.lang.Object

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

Field Detail

indexer

private final Indexer indexer

The indexer.

kunderaMetadata

private final EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata

Constructor Detail

IndexManager

public IndexManager(Indexer indexer,
            EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata)

The Constructor.

Parameters:

indexer - the indexer

Method Detail

getIndexer

public Indexer getIndexer()

Returns:

the indexer

remove

public final void remove(EntityMetadata metadata,
          Object entity,
          Object key)

Removes an object from Index.

Parameters:

metadata - the metadata

entity - the entity

key - the key

update

public final void update(EntityMetadata metadata,
          Object entity,
          Object parentId,
          Class<?> clazz)

Updates the index for an object.

Parameters:

metadata - the metadata

entity - the entity

onEmbeddable

private void onEmbeddable(Object entity,
                Class<?> clazz,
                MetamodelImpl metaModel,
                Map<String,Object> indexCollection)

Parameters:

entity -

clazz -

metaModel -

indexCollection -

write

public final void write(EntityMetadata metadata,
         Object entity)

Indexes an object.

Parameters:

metadata - the metadata

entity - the entity

write

public final void write(EntityMetadata metadata,
         Object entity,
         String parentId,
         Class<?> clazz)

Indexes an object.

Parameters:

metadata - the metadata

entity - the entity

parentId - parent Id.

clazz - class name

search

@Deprecated
public final Map<String,Object> search(Class<?> clazz,
                                   String query)

Deprecated.

Searches on the index. Note: Query must be in Indexer's understandable format

Parameters:

query - the query

Returns:

the list

search

public final Map<String,Object> search(Class<?> parentClass,
                        Class<?> childClass,
                        Object entityId)

fetchRelation

public final Map<String,Object> fetchRelation(Class<?> clazz,
                               String query)

Searches on the index. Note: Query must be in Indexer's understandable format

Parameters:

query - the query

Returns:

the list

search

public final Map<String,Object> search(Class<?> clazz,
                        String query,
                        int count)

Search.

Parameters:

query - the query

count - the count

Returns:

the list

search

public final Map<String,Object> search(Class<?> clazz,
                        String query,
                        int start,
                        int count)

Search.

Parameters:

query - the query

start - the start

count - the count

Returns:

the list

search

public final Map<String,Object> search(EntityManagerFactoryImpl.KunderaMetadata kunderaMetadata,
                        KunderaQuery kunderaQuery,
                        PersistenceDelegator persistenceDelegator,
                        EntityMetadata m,
                        int maxResults)

search

public final Map<String,Object> search(Class<?> clazz,
                        String query,
                        int start,
                        int count,
                        boolean fetchRelation)

Search.

Parameters:

query - the query

start - the start

count - the count

fetchRelation - the fetch relation

Returns:

the list

flush

public void flush()
           throws IndexingException

Flushes out the indexes, keeping RAM directory open.

Throws:

IndexingException

close

public void close()
           throws IndexingException

Closes the transaction along with RAM directory.

Throws:

IndexingException