com.att.ajsc.csilogging.util

Class PoolManager

java.lang.Object

com.att.ajsc.csilogging.util.PoolManager

All Implemented Interfaces:

DynamicMBean

public class PoolManager
extends Object
implements DynamicMBean

The PoolManager is responsible for invoking each registered ObjectPool's clean method over a configurable interval.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLEAN_OBJECT_POOLS
static long	DEFAULT_INTERVAL
static String	DEFAULT_POOL_MANAGER_NAME
static long	MINIMUM_INTERVAL
static String	POOL_MANAGER_EVICTION_INTERVAL
static String	REGISTERED_POOLS
static String	SET_POOL_MANAGER_EVICTION_INTERVAL

Method Summary

Modifier and Type	Method and Description
void	add(ObjectPool objectPool) Adds the supplied ObjectPool to the list of ObjectPool's managed by this PoolManager.
String	cleanObjectPools()
Object	getAttribute(String attribute)
AttributeList	getAttributes(String[] attributes)
MBeanInfo	getMBeanInfo() Provides lazy instantiation of the PoolManager's MBeanInfo, yet allows for reuse.
String	getName() Returns the name of the PoolManager.
static PoolManager	getOrCreate() Returns the default PoolManager instance (creating it if necessary).
static PoolManager	getOrCreate(String poolManagerName) Returns the PoolManager instance associated with the supplied name (creating it if necessary).
long	getPoolManagerEvictionInterval() Returns the PoolManager's timer interval in milliseconds.
int	getRegisteredNumberOfPools() Returns the number of registered object pools.
Object	invoke(String actionName, Object[] params, String[] signature)
void	setAttribute(Attribute attribute)
AttributeList	setAttributes(AttributeList attributes)
String	setPoolManagerEvictionInterval(long interval) Provides the implementation for setting the pool manager eviction interval via JMX.

Methods inherited from class java.lang.Object

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

Field Detail

POOL_MANAGER_EVICTION_INTERVAL

public static final String POOL_MANAGER_EVICTION_INTERVAL

See Also:

Constant Field Values

SET_POOL_MANAGER_EVICTION_INTERVAL

public static final String SET_POOL_MANAGER_EVICTION_INTERVAL

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Constant Field Values

CLEAN_OBJECT_POOLS

public static final String CLEAN_OBJECT_POOLS

See Also:

Constant Field Values

REGISTERED_POOLS

public static final String REGISTERED_POOLS

See Also:

Constant Field Values

MINIMUM_INTERVAL

public static final long MINIMUM_INTERVAL

See Also:

Constant Field Values

DEFAULT_INTERVAL

public static final long DEFAULT_INTERVAL

See Also:

Constant Field Values

DEFAULT_POOL_MANAGER_NAME

public static final String DEFAULT_POOL_MANAGER_NAME

See Also:

Constant Field Values

Method Detail

getOrCreate

public static PoolManager getOrCreate()

Returns the default PoolManager instance (creating it if necessary).

Returns:

The default PoolManager instance.

getOrCreate

public static PoolManager getOrCreate(String poolManagerName)

Returns the PoolManager instance associated with the supplied name (creating it if necessary).

Parameters:

poolManagerName - The name of the PoolManager instance to return.

Returns:

The PoolManager instance associated with the supplied name.

add

public void add(ObjectPool objectPool)

Adds the supplied ObjectPool to the list of ObjectPool's managed by this PoolManager.

Parameters:

objectPool - The ObjectPool to be managed.

getMBeanInfo

public MBeanInfo getMBeanInfo()

Provides lazy instantiation of the PoolManager's MBeanInfo, yet allows for reuse.

Specified by:

getMBeanInfo in interface DynamicMBean

Returns:

The PoolManager's MBeanInfo object.

getAttribute

public Object getAttribute(String attribute)
                    throws AttributeNotFoundException,
                           MBeanException,
                           ReflectionException

Specified by:

getAttribute in interface DynamicMBean

Throws:

AttributeNotFoundException

MBeanException

ReflectionException

invoke

public Object invoke(String actionName,
                     Object[] params,
                     String[] signature)
              throws MBeanException,
                     ReflectionException

Specified by:

invoke in interface DynamicMBean

Throws:

MBeanException

ReflectionException

setAttribute

public void setAttribute(Attribute attribute)
                  throws AttributeNotFoundException,
                         InvalidAttributeValueException,
                         MBeanException,
                         ReflectionException

Specified by:

setAttribute in interface DynamicMBean

Throws:

AttributeNotFoundException

InvalidAttributeValueException

MBeanException

ReflectionException

setAttributes

public AttributeList setAttributes(AttributeList attributes)

Specified by:

setAttributes in interface DynamicMBean

getAttributes

public AttributeList getAttributes(String[] attributes)

Specified by:

getAttributes in interface DynamicMBean

setPoolManagerEvictionInterval

public String setPoolManagerEvictionInterval(long interval)

Provides the implementation for setting the pool manager eviction interval via JMX.

Parameters:

interval - The new interval in milliseconds.

Returns:

A status message.

cleanObjectPools

public String cleanObjectPools()

getName

public String getName()

Returns the name of the PoolManager.

Returns:

The PoolManager's name.

getPoolManagerEvictionInterval

public long getPoolManagerEvictionInterval()

Returns the PoolManager's timer interval in milliseconds.

Returns:

The PoolManager's timer interval in milliseconds.

getRegisteredNumberOfPools

public int getRegisteredNumberOfPools()

Returns the number of registered object pools.

Returns:

The number of registered object pools.