org.apache.openjpa.slice.jdbc
Class DistributedDataSource

java.lang.Object
  org.apache.openjpa.lib.jdbc.DelegatingDataSource
      org.apache.openjpa.lib.jdbc.DecoratingDataSource
          org.apache.openjpa.slice.jdbc.DistributedDataSource

All Implemented Interfaces:

Iterable<DataSource>, Wrapper, CommonDataSource, DataSource, Closeable

public class DistributedDataSource
extends DecoratingDataSource
implements Iterable<DataSource>

A virtual datasource that contains many physical datasources.

Author:

Pinaki Poddar

Constructor Summary

DistributedDataSource(List<DataSource> dataSources)

Method Summary

void	addDataSource(DataSource ds)
protected void	enforceAbstract() Marker to enforce that subclasses of this class are abstract.
Connection	getConnection()
(package private) Connection	getConnection(DataSource ds)
(package private) Connection	getConnection(DataSource ds, String user, String pwd)
Connection	getConnection(String username, String password)
int	getLoginTimeout()
PrintWriter	getLogWriter()
Iterator<DataSource>	iterator()
void	setLoginTimeout(int seconds)
void	setLogWriter(PrintWriter out)

Methods inherited from class org.apache.openjpa.lib.jdbc.DecoratingDataSource

addDecorator, addDecorators, clearDecorators, getDecorators, newDecoratingDataSource, removeDecorator

Methods inherited from class org.apache.openjpa.lib.jdbc.DelegatingDataSource

appendInfo, close, equals, getDelegate, getInnermostDelegate, hashCode, isWrapperFor, newInstance, toString, unwrap

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DistributedDataSource

public DistributedDataSource(List<DataSource> dataSources)

Method Detail

addDataSource

public void addDataSource(DataSource ds)

getConnection

Connection getConnection(DataSource ds)
                   throws SQLException

Throws:

SQLException

getConnection

Connection getConnection(DataSource ds,
                         String user,
                         String pwd)
                   throws SQLException

Throws:

SQLException

iterator

public Iterator<DataSource> iterator()

Specified by:

iterator in interface Iterable<DataSource>

getConnection

public Connection getConnection()
                         throws SQLException

Specified by:

getConnection in interface DataSource

Overrides:

getConnection in class DecoratingDataSource

Throws:

SQLException

getConnection

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

Specified by:

getConnection in interface DataSource

Overrides:

getConnection in class DecoratingDataSource

Throws:

SQLException

getLogWriter

public PrintWriter getLogWriter()
                         throws SQLException

Specified by:

getLogWriter in interface CommonDataSource

Overrides:

getLogWriter in class DelegatingDataSource

Throws:

SQLException

getLoginTimeout

public int getLoginTimeout()
                    throws SQLException

Specified by:

getLoginTimeout in interface CommonDataSource

Overrides:

getLoginTimeout in class DelegatingDataSource

Throws:

SQLException

setLogWriter

public void setLogWriter(PrintWriter out)
                  throws SQLException

Specified by:

setLogWriter in interface CommonDataSource

Overrides:

setLogWriter in class DelegatingDataSource

Throws:

SQLException

setLoginTimeout

public void setLoginTimeout(int seconds)
                     throws SQLException

Specified by:

setLoginTimeout in interface CommonDataSource

Overrides:

setLoginTimeout in class DelegatingDataSource

Throws:

SQLException

enforceAbstract

protected void enforceAbstract()

Description copied from class: DelegatingDataSource

Marker to enforce that subclasses of this class are abstract.

Specified by:

enforceAbstract in class DelegatingDataSource