org.apache.synapse.transport.utils.sslcert.cache

Class CacheManager

java.lang.Object

org.apache.synapse.transport.utils.sslcert.cache.CacheManager

public class CacheManager
extends Object

Cache Manager takes care of and maintains an LRU cache which implements ManageableCache Interface. Duration should be configured such that cacheManager is not too much involved with the cache, but manages it optimally.

Constructor Summary

Constructors

Constructor and Description
CacheManager(ManageableCache cache, int cacheMaxSize, int duration) A new cacheManager will be started on the given ManageableCache object.

Method Summary

Modifier and Type	Method and Description
boolean	changeDuration(int duration) Change the cacheManager duration (schedule period) to given value.
int	getDuration()
boolean	isRunning()
boolean	stop() Gracefully stop cacheManager.
boolean	wakeUpNow() Used to wake cacheManager up at will.

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheManager

public CacheManager(ManageableCache cache,
                    int cacheMaxSize,
                    int duration)

A new cacheManager will be started on the given ManageableCache object.

Parameters:

cache - a Manageable Cache which could be managed by this cache manager.

cacheMaxSize - Maximum size of the cache. If the cache exceeds this size, LRU values will be removed

Method Detail

wakeUpNow

public boolean wakeUpNow()

Used to wake cacheManager up at will. If this method is called while its task is running, it will run its task again soon after its done. CacheManagerTask will be rescheduled as before.

Returns:

true if successfully waken up. false otherwise.

changeDuration

public boolean changeDuration(int duration)
                       throws IllegalArgumentException

Change the cacheManager duration (schedule period) to given value.

Parameters:

duration - new duration to which the cacheManager schedule period should change.

Returns:

true if successfully changed. false otherwise.

Throws:

IllegalArgumentException - if given duration is not between the allowed limit.

getDuration

public int getDuration()

stop

public boolean stop()

Gracefully stop cacheManager.

isRunning

public boolean isRunning()