org.apache.cocoon.components.store
Class StoreJanitorImpl
java.lang.Object
|
+--org.apache.avalon.framework.logger.AbstractLoggable
|
+--org.apache.cocoon.components.store.StoreJanitorImpl
- All Implemented Interfaces:
- org.apache.avalon.framework.component.Component, org.apache.avalon.framework.configuration.Configurable, org.apache.avalon.framework.logger.Loggable, java.lang.Runnable, org.apache.avalon.framework.activity.Startable, StoreJanitor, org.apache.avalon.framework.thread.ThreadSafe
- public class StoreJanitorImpl
- extends org.apache.avalon.framework.logger.AbstractLoggable
- implements StoreJanitor, org.apache.avalon.framework.configuration.Configurable, org.apache.avalon.framework.thread.ThreadSafe, java.lang.Runnable, org.apache.avalon.framework.activity.Startable
This class is a implentation of a StoreJanitor. Store classes
can register to the StoreJanitor. When memory is too low,
the StoreJanitor frees the registered caches until memory is normal.
- Version:
- CVS $Id: StoreJanitorImpl.java,v 1.11 2002/02/22 07:00:14 cziegeler Exp $
- Author:
- Christian Schmitt, Gerhard Froehlich, Peter Royal
Fields inherited from interface org.apache.cocoon.components.store.StoreJanitor |
ROLE |
Method Summary |
void |
configure(org.apache.avalon.framework.configuration.Configuration conf)
Initialize the StoreJanitorImpl.
|
java.util.Iterator |
iterator()
This method return a java.util.Iterator of every registered stores
The iterators returned is fail-fast: if list is structurally
modified at any time after the iterator is created, in any way, the
iterator will throw a ConcurrentModificationException. |
void |
register(Store store)
This method register the stores |
void |
run()
The "checker" thread checks if memory is running low in the jvm. |
void |
start()
|
void |
stop()
|
void |
unregister(Store store)
This method unregister the stores |
Methods inherited from class org.apache.avalon.framework.logger.AbstractLoggable |
getLogger, setLogger, setupLogger, setupLogger, setupLogger |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
StoreJanitorImpl
public StoreJanitorImpl()
configure
public void configure(org.apache.avalon.framework.configuration.Configuration conf)
throws org.apache.avalon.framework.configuration.ConfigurationException
- Initialize the StoreJanitorImpl.
A few options can be used :
- freememory = how many bytes shall be always free in the jvm
- heapsize = max. size of jvm memory consumption
- cleanupthreadinterval = how often (sec) shall run the cleanup thread
- threadpriority = priority of the thread (1-10). (Default: 10)
- Specified by:
configure
in interface org.apache.avalon.framework.configuration.Configurable
- Parameters:
the
- Configuration of the application- Throws:
org.apache.avalon.framework.configuration.ConfigurationException
-
start
public void start()
- Specified by:
start
in interface org.apache.avalon.framework.activity.Startable
stop
public void stop()
- Specified by:
stop
in interface org.apache.avalon.framework.activity.Startable
run
public void run()
- The "checker" thread checks if memory is running low in the jvm.
- Specified by:
run
in interface java.lang.Runnable
register
public void register(Store store)
- This method register the stores
- Specified by:
register
in interface StoreJanitor
- Parameters:
the
- store to be registered
unregister
public void unregister(Store store)
- This method unregister the stores
- Specified by:
unregister
in interface StoreJanitor
- Parameters:
the
- store to be unregistered
iterator
public java.util.Iterator iterator()
- This method return a java.util.Iterator of every registered stores
The iterators returned is fail-fast: if list is structurally
modified at any time after the iterator is created, in any way, the
iterator will throw a ConcurrentModificationException. Thus, in the
face of concurrent modification, the iterator fails quickly and
cleanly, rather than risking arbitrary, non-deterministic behavior at
an undetermined time in the future.
- Specified by:
iterator
in interface StoreJanitor
- Returns:
- a java.util.Iterator
Copyright © 1999-2002 Apache Software Foundation. All Rights Reserved.