org.sadun.util.pool.connection
Class ManagedConnectionPool

java.lang.Object
  org.sadun.util.pool.connection.ManagedConnectionPool

All Implemented Interfaces:

ManagedConnectionPoolMBean, WatchDog.Listener

public class ManagedConnectionPool

extends java.lang.Object

implements ManagedConnectionPoolMBean, WatchDog.Listener

NOT COMPLETE YET

Author:

Cristiano Sadun

Constructor Summary

ManagedConnectionPool()

Method Summary

void	checkFailed(java.lang.Object obj, java.lang.Throwable e) Notifies the listener that a check has failed.
void	checkImpossible(java.lang.Object obj, WatchDogException e) Notifies the listener that a check could not be performed.
void	checkOk(java.lang.Object obj) Notifies the listener that a check has been successful
void	disableWatchDog()
void	enableWatchDog() Enables the watchdog thread for the pool, registering this mbean as a listener
java.lang.String	getConnectionProperties() Return the connection properties of the pool (see setConnectionProperties() for details.
int	getFreeCount() Return the number of available objects in the pool
java.lang.String	getJdbcDrivers() Return a list of JDBC driver classes to load, separated by colon/semicolon or comma.
java.lang.String	getJdbcURL() Return the jdbcURL accessed by this pool
java.lang.Class	getObjectType()
int	getSize() Return the size of the pool
int	getUsedCount() Return the number of used objects in the pool
void	setConnectionProperties(java.lang.String connectionProperties) Set the connection properties of the pool.
void	setJdbcDrivers(java.lang.String jdbcDrivers) Set the list of JDBC driver classes to load, separated by colon/semicolon or comma.
void	setJdbcURL(java.lang.String jdbcURL) Set the jdbc URL of the pool.
void	setSize(int size) Set the pool size.

Methods inherited from class java.lang.Object

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

Constructor Detail

ManagedConnectionPool

public ManagedConnectionPool()

Method Detail

setSize

public void setSize(int size)
             throws javax.management.MBeanException

Set the pool size. If the specified size is different than the current size, the pool is reset to the given size.

This property cannot be changed if some client has already acquired pooled objects.

Specified by:

setSize in interface ManagedConnectionPoolMBean

Parameters:

size - the new size

Throws:

javax.management.MBeanException

setJdbcURL

public void setJdbcURL(java.lang.String jdbcURL)
                throws javax.management.MBeanException

Set the jdbc URL of the pool.

This property cannot be changed if some client has already acquired pooled objects.

Specified by:

setJdbcURL in interface ManagedConnectionPoolMBean

Parameters:

jdbcURL - the new jdbcURL

Throws:

javax.management.MBeanException

setConnectionProperties

public void setConnectionProperties(java.lang.String connectionProperties)
                             throws javax.management.MBeanException

Set the connection properties of the pool.

This property cannot be changed if some client has already acquired pooled objects.

Specified by:

setConnectionProperties in interface ManagedConnectionPoolMBean

Parameters:

connectionProperties - the String defining the properties

Throws:

javax.management.MBeanException

setJdbcDrivers

public void setJdbcDrivers(java.lang.String jdbcDrivers)
                    throws javax.management.MBeanException

Set the list of JDBC driver classes to load, separated by colon/semicolon or comma.

Specified by:

setJdbcDrivers in interface ManagedConnectionPoolMBean

Parameters:

jdbcDrivers - the list of JDBC driver classes to load, separated by colon/semicolon or comma.

Throws:

javax.management.MBeanException

getFreeCount

public int getFreeCount()

Description copied from interface: ManagedConnectionPoolMBean

Return the number of available objects in the pool

Specified by:

getFreeCount in interface ManagedConnectionPoolMBean

Returns:

the number of available objects in the pool

See Also:

ManagedObjectPoolMBean.getFreeCount()

getObjectType

public java.lang.Class getObjectType()

getSize

public int getSize()

Description copied from interface: ManagedConnectionPoolMBean

Return the size of the pool

Specified by:

getSize in interface ManagedConnectionPoolMBean

Returns:

the size of the pool

getUsedCount

public int getUsedCount()

Description copied from interface: ManagedConnectionPoolMBean

Return the number of used objects in the pool

Specified by:

getUsedCount in interface ManagedConnectionPoolMBean

Returns:

the number of used objects in the pool

getJdbcURL

public java.lang.String getJdbcURL()

Description copied from interface: ManagedConnectionPoolMBean

Return the jdbcURL accessed by this pool

Specified by:

getJdbcURL in interface ManagedConnectionPoolMBean

Returns:

the jdbcURL accessed by this pool

getConnectionProperties

public java.lang.String getConnectionProperties()

Description copied from interface: ManagedConnectionPoolMBean

Return the connection properties of the pool (see setConnectionProperties() for details.

Specified by:

getConnectionProperties in interface ManagedConnectionPoolMBean

Returns:

getJdbcDrivers

public java.lang.String getJdbcDrivers()

Return a list of JDBC driver classes to load, separated by colon/semicolon or comma.

Specified by:

getJdbcDrivers in interface ManagedConnectionPoolMBean

Returns:

a list of JDBC driver classes to load, separated by colon/semicolon or comma.

enableWatchDog

public void enableWatchDog()

Enables the watchdog thread for the pool, registering this mbean as a listener

disableWatchDog

public void disableWatchDog()

checkFailed

public void checkFailed(java.lang.Object obj,
                        java.lang.Throwable e)

Description copied from interface: WatchDog.Listener

Notifies the listener that a check has failed.

Specified by:

checkFailed in interface WatchDog.Listener

Parameters:

e -

checkImpossible

public void checkImpossible(java.lang.Object obj,
                            WatchDogException e)

Description copied from interface: WatchDog.Listener

Notifies the listener that a check could not be performed.

Specified by:

checkImpossible in interface WatchDog.Listener

Parameters:

e -

checkOk

public void checkOk(java.lang.Object obj)

Description copied from interface: WatchDog.Listener

Notifies the listener that a check has been successful

Specified by:

checkOk in interface WatchDog.Listener