org.dspace.core

Interface DBConnection<T>

Type Parameters:

T - class type

All Known Implementing Classes:

HibernateDBConnection

public interface DBConnection<T>

Interface representing a Database connection, this class should only be access by the context object.

Author:

kevinvandevelde at atmire.com

Method Summary

Modifier and Type	Method and Description
void	closeDBConnection()
void	commit()
long	getCacheSize()
DatabaseConfigVO	getDatabaseConfig()
DataSource	getDataSource()
T	getSession()
String	getType()
boolean	isOptimizedForBatchProcessing()
boolean	isSessionAlive()
boolean	isTransActionAlive()
<E extends ReloadableEntity> E	reloadEntity(E entity) Reload a DSpace object from the database.
void	rollback()
void	setConnectionMode(boolean batchOptimized, boolean readOnlyOptimized)
void	shutdown()
<E extends ReloadableEntity> void	uncacheEntity(E entity) Remove a DSpace object from the cache when batch processing a large number of objects.

Method Detail

getSession

T getSession()
      throws SQLException

Throws:

SQLException

isTransActionAlive

boolean isTransActionAlive()

isSessionAlive

boolean isSessionAlive()

rollback

void rollback()
       throws SQLException

Throws:

SQLException

closeDBConnection

void closeDBConnection()
                throws SQLException

Throws:

SQLException

commit

void commit()
     throws SQLException

Throws:

SQLException

shutdown

void shutdown()

getType

String getType()

getDataSource

DataSource getDataSource()

getDatabaseConfig

DatabaseConfigVO getDatabaseConfig()
                            throws SQLException

Throws:

SQLException

setConnectionMode

void setConnectionMode(boolean batchOptimized,
                       boolean readOnlyOptimized)
                throws SQLException

Throws:

SQLException

isOptimizedForBatchProcessing

boolean isOptimizedForBatchProcessing()

getCacheSize

long getCacheSize()
           throws SQLException

Throws:

SQLException

reloadEntity

<E extends ReloadableEntity> E reloadEntity(E entity)
                                     throws SQLException

Reload a DSpace object from the database. This will make sure the object is valid and stored in the cache.

Parameters:

entity - The DSpace object to reload

Throws:

SQLException

uncacheEntity

<E extends ReloadableEntity> void uncacheEntity(E entity)
                                         throws SQLException

Remove a DSpace object from the cache when batch processing a large number of objects.

Parameters:

entity - The DSpace object to reload

Throws:

SQLException