Package org.apache.cayenne.datasource

Class UnmanagedPoolingDataSource

java.lang.Object

org.apache.cayenne.datasource.UnmanagedPoolingDataSource

All Implemented Interfaces:

AutoCloseable, Wrapper, CommonDataSource, DataSource

public class UnmanagedPoolingDataSource
extends Object
implements DataSource, AutoCloseable

A non-blocking DataSource with a pool of connections.

Since:

4.0

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	UnmanagedPoolingDataSource.ConnectionUnavailableException	An exception indicating that a connection request waiting in the queue timed out and was unable to obtain a connection.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_QUEUE_WAIT_DEFAULT	Defines a maximum time in milliseconds that a connection request could wait in the connection queue.

Constructor Summary

Constructors

Constructor	Description
UnmanagedPoolingDataSource(DataSource nonPoolingDataSource, PoolingDataSourceParameters parameters)

Method Summary

Modifier and Type	Method	Description
void	close()
Connection	getConnection()
Connection	getConnection(String userName, String password)
int	getLoginTimeout()
PrintWriter	getLogWriter()
Logger	getParentLogger()
boolean	isWrapperFor(Class<?> iface)
void	setLoginTimeout(int seconds)
void	setLogWriter(PrintWriter out)
<T> T	unwrap(Class<T> iface)

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.sql.CommonDataSource

createShardingKeyBuilder

Methods inherited from interface javax.sql.DataSource

createConnectionBuilder

Field Details

MAX_QUEUE_WAIT_DEFAULT

public static final int MAX_QUEUE_WAIT_DEFAULT

Defines a maximum time in milliseconds that a connection request could wait in the connection queue. After this period expires, an exception will be thrown in the calling method.

See Also:

• Constant Field Values

Constructor Details

UnmanagedPoolingDataSource

public UnmanagedPoolingDataSource(DataSource nonPoolingDataSource,
 PoolingDataSourceParameters parameters)

Method Details

close

public void close()

Specified by:

close in interface AutoCloseable

getConnection

public Connection getConnection()
                         throws SQLException

Specified by:

getConnection in interface DataSource

Throws:

SQLException

getConnection

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

Specified by:

getConnection in interface DataSource

Throws:

SQLException

getLoginTimeout

public int getLoginTimeout()
                    throws SQLException

Specified by:

getLoginTimeout in interface CommonDataSource

Specified by:

getLoginTimeout in interface DataSource

Throws:

SQLException

setLoginTimeout

public void setLoginTimeout(int seconds)
                     throws SQLException

Specified by:

setLoginTimeout in interface CommonDataSource

Specified by:

setLoginTimeout in interface DataSource

Throws:

SQLException

getLogWriter

public PrintWriter getLogWriter()
                         throws SQLException

Specified by:

getLogWriter in interface CommonDataSource

Specified by:

getLogWriter in interface DataSource

Throws:

SQLException

setLogWriter

public void setLogWriter(PrintWriter out)
                  throws SQLException

Specified by:

setLogWriter in interface CommonDataSource

Specified by:

setLogWriter in interface DataSource

Throws:

SQLException

isWrapperFor

public boolean isWrapperFor(Class<?> iface)
                     throws SQLException

Specified by:

isWrapperFor in interface Wrapper

Throws:

SQLException

unwrap

public <T> T unwrap(Class<T> iface)
             throws SQLException

Specified by:

unwrap in interface Wrapper

Throws:

SQLException

getParentLogger

public Logger getParentLogger()
                       throws SQLFeatureNotSupportedException

Specified by:

getParentLogger in interface CommonDataSource

Throws:

SQLFeatureNotSupportedException