fr.paris.lutece.util.pool

Class PoolManager

java.lang.Object

fr.paris.lutece.util.pool.PoolManager

public final class PoolManager
extends Object

This class can manages a set of database connections pools. It's implemented as a singleton. It provides methods to get or release a connection from a given pool.

Method Summary

Modifier and Type	Method and Description
void	freeConnection(String strPoolName, Connection con) Returns a connection to pool.
Connection	getConnection(String strPoolName) Returns an available connection from the pool.
DataSource	getDataSource(String strPoolName) Returns the datasource for a given pool name
static PoolManager	getInstance(InputStream isDbProperties) This method returns the unique instance of the PoolManager.
Collection<ConnectionService>	getPools() Returns all pools available
ReferenceList	getPoolsInfos() Returns pool's infos (currently opened connections)
void	release() Releases all connections from all the pool.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static PoolManager getInstance(InputStream isDbProperties)
                               throws LuteceInitException

This method returns the unique instance of the PoolManager.

Parameters:

isDbProperties - An InputStream on a db.properties File to initialiaze the pool if it's not already created.

Returns:

The unique instance of Poolmanager.

Throws:

LuteceInitException - If any error occured

getConnection

public Connection getConnection(String strPoolName)

Returns an available connection from the pool.

Parameters:

strPoolName - The pool name

Returns:

A connection

freeConnection

public void freeConnection(String strPoolName,
                           Connection con)

Returns a connection to pool.

Parameters:

strPoolName - Pool's name

con - A released connection

release

public void release()

Releases all connections from all the pool.

getPools

public Collection<ConnectionService> getPools()

Returns all pools available

Returns:

The list of available pools

getPoolsInfos

public ReferenceList getPoolsInfos()

Returns pool's infos (currently opened connections)

Returns:

The pool's infos

getDataSource

public DataSource getDataSource(String strPoolName)

Returns the datasource for a given pool name

Parameters:

strPoolName - The Pool name

Returns:

A data source object