org.huihoo.jfox.pool.connection
Class SimpleConnectionPool

org.huihoo.jfox.service.ComponentSupport
  |
  +--org.huihoo.jfox.pool.connection.SimpleConnectionPool

All Implemented Interfaces:

Component, ComponentSupportMBean, ConnectionPool, Loggable, ObjectPoolMBean, Persistentable, java.io.Serializable, SimpleConnectionPoolMBean

public class SimpleConnectionPool

extends ComponentSupport

implements SimpleConnectionPoolMBean, ConnectionPool

Get connections from this pool, all connections get from this pool can be recycled for resue.

Author:

Kelvin Wu

See Also:

Serialized Form

Fields inherited from class org.huihoo.jfox.service.ComponentSupport

logger, name, objectName, proxyInstance, sequence, server, state

Constructor Summary

SimpleConnectionPool(java.lang.String dbDriver, java.lang.String dbURL, java.lang.String user, java.lang.String password)
Default constructor

Method Summary

void	clear() Clears any objects sitting idle in the pool, releasing any associated resources
protected void	doDestroy() do actually destory action
protected void	doInit() do actually create action
java.sql.Connection	getConnection() Get the pooled connection that will be used by user.
java.lang.String	getDbDriver()
java.lang.String	getDbURL()
java.lang.String	getObjectClass() get the pooled object's class type, it return by object pool's factory
ObjectFactory	getObjectFactory() get the factory use to create new instances
java.lang.String	getPassword()
int	getRest() get the count of rest object
java.lang.String	getUser()
int	getWorking() get the count of working object
void	setDbDriver(java.lang.String driver)
void	setDbURL(java.lang.String dbUrl)
void	setPassword(java.lang.String password)
void	setUser(java.lang.String user)

Methods inherited from class org.huihoo.jfox.service.ComponentSupport

destroy, getLogger, getName, getObjectName, getProxyInstance, getState, handleNotification, init, parseName, postDeregister, postRegister, preDeregister, preRegister, setLogger, setName

Methods inherited from interface org.huihoo.jfox.service.ComponentSupportMBean

getObjectName, getProxyInstance

Methods inherited from interface org.huihoo.jfox.service.Component

destroy, getName, getState, init

Methods inherited from interface org.huihoo.jfox.service.Loggable

getLogger

Constructor Detail

SimpleConnectionPool

public SimpleConnectionPool(java.lang.String dbDriver,
                            java.lang.String dbURL,
                            java.lang.String user,
                            java.lang.String password)
                     throws java.lang.Exception

Default constructor

Parameters:

dbDriver - database driver class name.

dbURL - database url for connect to the database.

user - user name.

password - password

Method Detail

getConnection

public java.sql.Connection getConnection()
                                  throws java.lang.Exception

Get the pooled connection that will be used by user.

Specified by:

getConnection in interface ConnectionPool

Returns:

Connection that will be used by user

doInit

protected void doInit()
               throws java.lang.Exception

Description copied from class: ComponentSupport

do actually create action

Overrides:

doInit in class ComponentSupport

doDestroy

protected void doDestroy()
                  throws java.lang.Exception

Description copied from class: ComponentSupport

do actually destory action

Overrides:

doDestroy in class ComponentSupport

clear

public void clear()

Description copied from interface: ObjectPoolMBean

Clears any objects sitting idle in the pool, releasing any associated resources

Specified by:

clear in interface ObjectPoolMBean

getObjectFactory

public ObjectFactory getObjectFactory()

Description copied from interface: ObjectPoolMBean

get the factory use to create new instances

Specified by:

getObjectFactory in interface ObjectPoolMBean

getObjectClass

public java.lang.String getObjectClass()

Description copied from interface: ObjectPoolMBean

get the pooled object's class type, it return by object pool's factory

Specified by:

getObjectClass in interface ObjectPoolMBean

Following copied from interface: org.huihoo.jfox.pool.ObjectPoolMBean

Returns:

getWorking

public int getWorking()

Description copied from interface: ObjectPoolMBean

get the count of working object

Specified by:

getWorking in interface ObjectPoolMBean

Following copied from interface: org.huihoo.jfox.pool.ObjectPoolMBean

Returns:

getRest

public int getRest()

Description copied from interface: ObjectPoolMBean

get the count of rest object

Specified by:

getRest in interface ObjectPoolMBean

Following copied from interface: org.huihoo.jfox.pool.ObjectPoolMBean

Returns:

setDbURL

public void setDbURL(java.lang.String dbUrl)

Specified by:

setDbURL in interface SimpleConnectionPoolMBean

getDbURL

public java.lang.String getDbURL()

Specified by:

getDbURL in interface SimpleConnectionPoolMBean

setDbDriver

public void setDbDriver(java.lang.String driver)

Specified by:

setDbDriver in interface SimpleConnectionPoolMBean

getDbDriver

public java.lang.String getDbDriver()

Specified by:

getDbDriver in interface SimpleConnectionPoolMBean

setUser

public void setUser(java.lang.String user)

Specified by:

setUser in interface SimpleConnectionPoolMBean

getUser

public java.lang.String getUser()

Specified by:

getUser in interface SimpleConnectionPoolMBean

setPassword

public void setPassword(java.lang.String password)

Specified by:

setPassword in interface SimpleConnectionPoolMBean

getPassword

public java.lang.String getPassword()

Specified by:

getPassword in interface SimpleConnectionPoolMBean