org.wamblee.test.persistence

Class AbstractDatabase

java.lang.Object

org.wamblee.test.persistence.AbstractDatabase

All Implemented Interfaces:

Database

Direct Known Subclasses:

DerbyDatabase, ExternalDatabase

public abstract class AbstractDatabase
extends Object
implements Database

Abstract database class providing the creation of the datasource, preventing duplicate starts of the same database, and checking for connection leaks when the database is stopped.

Author:

Erik Brakkee

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractDatabase() Constructs the database.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	createDataSource() This method must be called from the start method.
protected abstract void	doStart() To be implemented by subclasses to start the database.
protected abstract void	doStop() To be implemented by subclasses to stop the database.
int	getActiveConnections() Gets the number of active connections from the pool.
protected String	getProperty(String aName)
DataSource	start() Starts the database.
void	stop() Stops the database and tests for connection leaks.

Methods inherited from class java.lang.Object

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

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

getExternalJdbcUrl, getJdbcUrl, getPassword, getUsername

Constructor Detail

AbstractDatabase

protected AbstractDatabase()

Constructs the database.

Method Detail

doStart

protected abstract void doStart()

To be implemented by subclasses to start the database.

doStop

protected abstract void doStop()

To be implemented by subclasses to stop the database.

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 DataSource start()

Starts the database.

Specified by:

start in interface Database

stop

public final void stop()

Stops the database and tests for connection leaks. In cast the system property with the name given by IGNORE_CONNECTION_LEAK_PROPERTY is set then the connection leaks are not checked.

Specified by:

stop in interface Database

getProperty

protected String getProperty(String aName)