org.jboss.dashboard.database
Class ExternalDataSource

java.lang.Object
  org.jboss.dashboard.database.ExternalDataSource

All Implemented Interfaces:

Wrapper, CommonDataSource, DataSource

public class ExternalDataSource
extends Object
implements DataSource

A data source implementation that bounds its connections to the underlying transaction.

When a connection is requested it gets a connection from the pool and attach such connection to the current transaction. When the transaction completes the data source connection is automatically completed as well.

Field Summary

protected Connection	currentConnection
protected DataSourceEntry	dataSourceEntry
protected static org.apache.commons.logging.Log	log
protected String	name

Constructor Summary

ExternalDataSource()

Method Summary

protected void	completeConnection(boolean commit)
protected boolean	getAutoCommit(Connection conn)
Connection	getConnection()
Connection	getConnection(String username, String password)
DataSourceEntry	getDataSourceEntry()
int	getLoginTimeout()
PrintWriter	getLogWriter()
String	getName()
Logger	getParentLogger()
protected void	initConnection()
boolean	isDisableAutoCommit()
boolean	isWrapperFor(Class<?> c)
static ExternalDataSource	lookup(String name, DataSourceEntry dsEntry) Get an external data source instance.
protected void	setAutoCommit(Connection conn, boolean autocommit)
void	setDataSourceEntry(DataSourceEntry dataSourceEntry)
void	setDisableAutoCommit(boolean disableAutoCommit)
void	setLoginTimeout(int seconds)
void	setLogWriter(PrintWriter out)
void	setName(String name)
<T> T	unwrap(Class<T> c)

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static transient org.apache.commons.logging.Log log

name

protected String name

dataSourceEntry

protected DataSourceEntry dataSourceEntry

currentConnection

protected transient Connection currentConnection

Constructor Detail

ExternalDataSource

public ExternalDataSource()

Method Detail

lookup

public static ExternalDataSource lookup(String name,
                                        DataSourceEntry dsEntry)

Get an external data source instance.

Parameters:

name - The name to assign to the datasource.

dsEntry - The object containing the connection configuration for this datasource.

getName

public String getName()

setName

public void setName(String name)

setDataSourceEntry

public void setDataSourceEntry(DataSourceEntry dataSourceEntry)

getDataSourceEntry

public DataSourceEntry getDataSourceEntry()

getLoginTimeout

public int getLoginTimeout()
                    throws SQLException

Specified by:

getLoginTimeout in interface CommonDataSource

Throws:

SQLException

setLoginTimeout

public void setLoginTimeout(int seconds)
                     throws SQLException

Specified by:

setLoginTimeout in interface CommonDataSource

Throws:

SQLException

getLogWriter

public PrintWriter getLogWriter()
                         throws SQLException

Specified by:

getLogWriter in interface CommonDataSource

Throws:

SQLException

setLogWriter

public void setLogWriter(PrintWriter out)
                  throws SQLException

Specified by:

setLogWriter in interface CommonDataSource

Throws:

SQLException

isDisableAutoCommit

public boolean isDisableAutoCommit()

setDisableAutoCommit

public void setDisableAutoCommit(boolean disableAutoCommit)

getConnection

public Connection getConnection(String username,
                                String password)
                         throws SQLException

Specified by:

getConnection in interface DataSource

Throws:

SQLException

getConnection

public Connection getConnection()
                         throws SQLException

Specified by:

getConnection in interface DataSource

Throws:

SQLException

getParentLogger

public Logger getParentLogger()

initConnection

protected void initConnection()

completeConnection

protected void completeConnection(boolean commit)
                           throws SQLException

Throws:

SQLException

getAutoCommit

protected boolean getAutoCommit(Connection conn)

setAutoCommit

protected void setAutoCommit(Connection conn,
                             boolean autocommit)

isWrapperFor

public boolean isWrapperFor(Class<?> c)

Specified by:

isWrapperFor in interface Wrapper

unwrap

public <T> T unwrap(Class<T> c)

Specified by:

unwrap in interface Wrapper