org.apache.marmotta.kiwi.versioning.persistence

Class KiWiVersioningPersistence

java.lang.Object

org.apache.marmotta.kiwi.versioning.persistence.KiWiVersioningPersistence

public class KiWiVersioningPersistence
extends Object

This class handles all database access of the versioning component of the KiWi triple store. It provides methods for creating versions, deleting versions, listing versions, and accessing snapshots (following the Memento specification, http://mementoweb.org/)

The KiWiVersioningPersistence makes use of a wrapped KiWiPersistence object passed as constructor argument.

Author: Sebastian Schaffert

Constructor Summary

Constructors

Constructor and Description
KiWiVersioningPersistence(KiWiPersistence persistence)

Method Summary

Methods

Modifier and Type	Method and Description
void	dropDatabase() Drop the versioning tables; this method must be called before the dropDatabase method of the underlying KiWiPersistence is called.
KiWiVersioningConnection	getConnection() Return a connection from the connection pool which already has the auto-commit disabled.
KiWiDialect	getDialect()
void	initDatabase() Initialise the database, creating or upgrading tables if they do not exist or are of the wrong version.

Methods inherited from class java.lang.Object

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

Constructor Detail

KiWiVersioningPersistence

public KiWiVersioningPersistence(KiWiPersistence persistence)

Method Detail

initDatabase

public void initDatabase()
                  throws SQLException

Initialise the database, creating or upgrading tables if they do not exist or are of the wrong version. This method must only be called after the initDatabase of the wrapped KiWiPersistence has been evaluated.

Throws:

SQLException

dropDatabase

public void dropDatabase()
                  throws SQLException

Drop the versioning tables; this method must be called before the dropDatabase method of the underlying KiWiPersistence is called.

Throws:

SQLException

getConnection

public KiWiVersioningConnection getConnection()
                                       throws SQLException

Return a connection from the connection pool which already has the auto-commit disabled.

Returns:

a fresh JDBC connection from the connection pool

Throws:

SQLException - in case a new connection could not be established

getDialect

public KiWiDialect getDialect()