org.exolab.jms.persistence
Class DatabaseService

java.lang.Object
  |
  +--org.exolab.core.service.Service
        |
        +--org.exolab.jms.persistence.DatabaseService

All Implemented Interfaces:

java.io.Serializable, org.exolab.core.service.Serviceable

public class DatabaseService

extends org.exolab.core.service.Service

The DatabaseService is used for managing the persistence aspect of this project.

Version:

$Revision: 1.13 $ $Date: 2004/01/08 05:55:07 $

Author:

Jim Alateras

See Also:

Serialized Form

Method Summary

static PersistenceAdapter	getAdapter() Return the PersistenceAdapter created by this service.
static java.sql.Connection	getConnection() Convenience function to return a connection to the PersistenceAdapter
static DatabaseService	instance() Return the singleton instance of the DatabaseService
void	start()
void	stop()

Methods inherited from class org.exolab.core.service.Service

getName, getState, restart, setState, toString

Methods inherited from class java.lang.Object

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

Method Detail

instance

public static DatabaseService instance()
                                throws PersistenceException

Return the singleton instance of the DatabaseService

Returns:

DatabaseService

Throws:

PersistenceException -

getAdapter

public static PersistenceAdapter getAdapter()

Return the PersistenceAdapter created by this service. This will always be non-null.

Returns:

PersistenceAdapter - the created adapter

getConnection

public static java.sql.Connection getConnection()
                                         throws PersistenceException

Convenience function to return a connection to the PersistenceAdapter

Returns:

Connection - the connection

Throws:

PersistenceException - - if no connection could be retrieved or another error occured.

start

public void start()
           throws org.exolab.core.service.ServiceException

Overrides:

start in class org.exolab.core.service.Service

stop

public void stop()
          throws org.exolab.core.service.ServiceException

Overrides:

stop in class org.exolab.core.service.Service