Package net.simplace.core.database

Class ConnectionPoolManager

java.lang.Object

net.simplace.core.database.ConnectionPoolManager

public class ConnectionPoolManager
extends Object

Simple implementation of a JDBC connection pool manager.

Constructor Summary

Constructors

Constructor	Description
ConnectionPoolManager()

Method Summary

Modifier and Type	Method	Description
static void	createH2TempPool(String aPoolName, int aPoolSize)
static void	createHSQLTempPool(String aPoolName, int aPoolSize)
static void	createPermanentPool(String aPoolName)
void	createPool(String aPoolName, String aJDBCDriver, String aJDBCURL, String aSystemID, String aUser, String aPassword, int aMaxConnections)
static void	createTempPool(String aPoolName)
void	freeConnection(String aName, Connection aConnection)
void	freeConnection(Connection aConnection)
Connection	getConnection(String aName)
Connection	getConnection(String aName, long aTime)
static ConnectionPoolManager	getInstance()
boolean	hasPool(String aName)
void	release(String aPoolKey)
void	releaseAll()
void	releaseAll(String aSystemID)
void	renewPool(String aPoolName, String aJDBCDriver, String aJDBCURL, String aSystemID, String aUser, String aPassword, int aMaxConnections)

Methods inherited from class java.lang.Object

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

Constructor Details

ConnectionPoolManager

public ConnectionPoolManager()

Method Details

getInstance

public static ConnectionPoolManager getInstance()

Returns:

connection pool manager

freeConnection

public void freeConnection(String aName,
 Connection aConnection)

Parameters:

aName -

aConnection -

freeConnection

public void freeConnection(Connection aConnection)

Parameters:

aConnection -

getConnection

public Connection getConnection(String aName)
                         throws SQLException

Parameters:

aName -

Returns:

a Connection specified by aName

Throws:

SQLException

getConnection

public Connection getConnection(String aName,
 long aTime)
                         throws SQLException

Parameters:

aName -

aTime -

Returns:

a Connection specified by aName

Throws:

SQLException

releaseAll

public void releaseAll()

release

public void release(String aPoolKey)

Parameters:

aPoolKey -

releaseAll

public void releaseAll(String aSystemID)

Parameters:

aSystemID -

createPool

public void createPool(String aPoolName,
 String aJDBCDriver,
 String aJDBCURL,
 String aSystemID,
 String aUser,
 String aPassword,
 int aMaxConnections)

Parameters:

aPoolName -

aJDBCDriver -

aJDBCURL -

aSystemID -

aUser -

aPassword -

aMaxConnections -

renewPool

public void renewPool(String aPoolName,
 String aJDBCDriver,
 String aJDBCURL,
 String aSystemID,
 String aUser,
 String aPassword,
 int aMaxConnections)

Parameters:

aPoolName -

aJDBCDriver -

aJDBCURL -

aSystemID -

aUser -

aPassword -

aMaxConnections -

createTempPool

public static void createTempPool(String aPoolName)

Parameters:

aPoolName -

createH2TempPool

public static void createH2TempPool(String aPoolName,
 int aPoolSize)

Parameters:

aPoolName -

aPoolSize -

createHSQLTempPool

public static void createHSQLTempPool(String aPoolName,
 int aPoolSize)

Parameters:

aPoolName -

aPoolSize -

createPermanentPool

public static void createPermanentPool(String aPoolName)

Parameters:

aPoolName -

hasPool

public boolean hasPool(String aName)