Package org.apache.cayenne.datasource

Class ManagedPoolingDataSource

java.lang.Object

org.apache.cayenne.datasource.ManagedPoolingDataSource

All Implemented Interfaces:

AutoCloseable, Wrapper, CommonDataSource, DataSource, PoolingDataSource, ScopeEventListener

public class ManagedPoolingDataSource
extends Object
implements PoolingDataSource, ScopeEventListener

A wrapper for UnmanagedPoolingDataSource that automatically manages the underlying connection pool size.

Since:

4.0

Constructor Summary

Constructors

Constructor	Description
ManagedPoolingDataSource(UnmanagedPoolingDataSource dataSource)
ManagedPoolingDataSource(UnmanagedPoolingDataSource dataSource, long managerWakeTime)

Method Summary

Modifier and Type	Method	Description
void	beforeScopeEnd()	Calls invalid reference #shutdown() to drain the underlying pool, close open connections and block the DataSource from creating any new connections.
void	close()
Connection	getConnection()
Connection	getConnection(String username, String password)
int	getLoginTimeout()
PrintWriter	getLogWriter()
Logger	getParentLogger()
boolean	isWrapperFor(Class<?> iface)
void	setLoginTimeout(int arg0)
void	setLogWriter(PrintWriter arg0)
<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

Constructor Details

ManagedPoolingDataSource

public ManagedPoolingDataSource(UnmanagedPoolingDataSource dataSource)

ManagedPoolingDataSource

public ManagedPoolingDataSource(UnmanagedPoolingDataSource dataSource,
 long managerWakeTime)

Method Details

beforeScopeEnd

public void beforeScopeEnd()

Calls

invalid reference

#shutdown()

to drain the underlying pool, close open connections and block the DataSource from creating any new connections.

Specified by:

beforeScopeEnd in interface ScopeEventListener

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

getLogWriter

public PrintWriter getLogWriter()
                         throws SQLException

Specified by:

getLogWriter in interface CommonDataSource

Specified by:

getLogWriter 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

isWrapperFor

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

Specified by:

isWrapperFor in interface Wrapper

Throws:

SQLException

setLogWriter

public void setLogWriter(PrintWriter arg0)
                  throws SQLException

Specified by:

setLogWriter in interface CommonDataSource

Specified by:

setLogWriter in interface DataSource

Throws:

SQLException

setLoginTimeout

public void setLoginTimeout(int arg0)
                     throws SQLException

Specified by:

setLoginTimeout in interface CommonDataSource

Specified by:

setLoginTimeout in interface DataSource

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