org.wamblee.support.persistence
Class AbstractDatabase

java.lang.Object
  org.wamblee.support.persistence.AbstractDatabase

All Implemented Interfaces:

Database

Direct Known Subclasses:

DerbyDatabase, ExternalDatabase

public abstract class AbstractDatabase
extends java.lang.Object
implements Database

Constructor Summary

protected

AbstractDatabase()

Method Summary

protected void	createDataSource() This method must be called from the start method.
protected abstract void	doStart()
protected abstract void	doStop()
int	getActiveConnections() Gets the number of active connections from the pool.
protected java.lang.String	getProperty(java.lang.String aName)
javax.sql.DataSource	start() Starts a database.
void	stop() Stops a database.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.wamblee.support.persistence.Database

getExternalJdbcUrl, getJdbcUrl, getPassword, getUsername

Constructor Detail

AbstractDatabase

protected AbstractDatabase()

Method Detail

doStart

protected abstract void doStart()

doStop

protected abstract void doStop()

createDataSource

protected final void createDataSource()

This method must be called from the start method.

getActiveConnections

public int getActiveConnections()

Description copied from interface: Database

Gets the number of active connections from the pool. This is useful for determining resource leaks.

Specified by:

getActiveConnections in interface Database

Returns:

Active connections.

start

public final javax.sql.DataSource start()

Description copied from interface: Database

Starts a database. This call should not block and return as soon as the database has been started.

Specified by:

start in interface Database

stop

public final void stop()

Description copied from interface: Database

Stops a database.

Specified by:

stop in interface Database

getProperty

protected java.lang.String getProperty(java.lang.String aName)