org.mycore.backend.hibernate
Class MCRHIBConnection

java.lang.Object
  org.mycore.backend.hibernate.MCRHIBConnection

All Implemented Interfaces:

MCRSessionListener, MCRShutdownHandler.Closeable

public class MCRHIBConnection
extends Object
implements MCRShutdownHandler.Closeable, MCRSessionListener

Class for hibernate connection to selected database

Author:

Thomas Scheffler (yagee)

Field Summary

(package private) static org.hibernate.cfg.Configuration	HIBCFG
(package private) static org.hibernate.SessionFactory	SESSION_FACTORY
(package private) static MCRHIBConnection	SINGLETON

Constructor Summary

protected

MCRHIBConnection() This method initializes the connection to the database

Method Summary

Element	addStringArray(Element base, String tagName, String attrName, String[] values)
static void	buildSessionFactory(org.hibernate.cfg.Configuration config)
void	close() cleanly closes this object that implements Closeable.
boolean	containsMapping(String tablename) This method checks existance of mapping for given sql-tablename
protected void	finalize()
org.hibernate.cfg.Configuration	getConfiguration()
org.hibernate.type.Type	getHibType(String type) helper mehtod: translates fieldtypes into hibernate types
org.hibernate.Query	getNamedQuery(String name) returns the named query from the hibernate mapping.
org.hibernate.Session	getSession() This method returns the current session for queries on the database through hibernate
org.hibernate.SessionFactory	getSessionFactory()
void	handleStatistics(org.hibernate.stat.Statistics stats)
static MCRHIBConnection	instance()
void	sessionEvent(MCRSessionEvent event)

Methods inherited from class java.lang.Object

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

Field Detail

HIBCFG

static org.hibernate.cfg.Configuration HIBCFG

SESSION_FACTORY

static org.hibernate.SessionFactory SESSION_FACTORY

SINGLETON

static MCRHIBConnection SINGLETON

Constructor Detail

MCRHIBConnection

protected MCRHIBConnection()
                    throws MCRPersistenceException

This method initializes the connection to the database

Throws:

MCRPersistenceException

Method Detail

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable

instance

public static MCRHIBConnection instance()
                                 throws MCRPersistenceException

Throws:

MCRPersistenceException

buildSessionFactory

public static void buildSessionFactory(org.hibernate.cfg.Configuration config)

getSession

public org.hibernate.Session getSession()

This method returns the current session for queries on the database through hibernate

Returns:

Session current session object

getConfiguration

public org.hibernate.cfg.Configuration getConfiguration()

containsMapping

public boolean containsMapping(String tablename)

This method checks existance of mapping for given sql-tablename

Parameters:

tablename - sql-table name as string

Returns:

boolean

getHibType

public org.hibernate.type.Type getHibType(String type)

helper mehtod: translates fieldtypes into hibernate types

Parameters:

type - typename as string

Returns:

hibernate type

close

public void close()

Description copied from interface: MCRShutdownHandler.Closeable

cleanly closes this object that implements Closeable. You can provide some functionality to close open files and sockets or so.

Specified by:

close in interface MCRShutdownHandler.Closeable

handleStatistics

public void handleStatistics(org.hibernate.stat.Statistics stats)
                      throws FileNotFoundException,
                             IOException

Throws:

FileNotFoundException

IOException

addStringArray

public Element addStringArray(Element base,
                              String tagName,
                              String attrName,
                              String[] values)

getSessionFactory

public org.hibernate.SessionFactory getSessionFactory()

sessionEvent

public void sessionEvent(MCRSessionEvent event)

Specified by:

sessionEvent in interface MCRSessionListener

getNamedQuery

public org.hibernate.Query getNamedQuery(String name)

returns the named query from the hibernate mapping. if a query with name name.<DBDialect> exists it takes precedence over a query named name

Parameters:

name -

Returns:

Query defined in mapping