org.apache.marmotta.kiwi.reasoner.persistence

Class KiWiReasoningPersistence

java.lang.Object

org.apache.marmotta.kiwi.reasoner.persistence.KiWiReasoningPersistence

public class KiWiReasoningPersistence
extends Object

This class handles all database access of the reasoning component of the KiWi triple store. It provides methods for creating programs, rules, and justifications, deleting programs, rules and justifications, and listing programs, rules and justifications.

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

Author: Sebastian Schaffert

Constructor Summary

Constructors

Constructor and Description
KiWiReasoningPersistence(KiWiPersistence persistence, org.openrdf.model.ValueFactory valueFactory)

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.
KiWiReasoningConnection	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

KiWiReasoningPersistence

public KiWiReasoningPersistence(KiWiPersistence persistence,
                        org.openrdf.model.ValueFactory valueFactory)

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 KiWiReasoningConnection 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()