Package org.wicketstuff.nashorn.resource

Class NashornMemoryWatcher

java.lang.Object

org.wicketstuff.nashorn.resource.NashornMemoryWatcher

All Implemented Interfaces:

Runnable

public class NashornMemoryWatcher
extends Object
implements Runnable

The memory watcher is used to detect memory leaks. If the check interval is to low a high cpu impact is the consequence. if it is to high a program might swallow to much memory and a oom exception occurs.

Author:

Tobias Soloschenko

Constructor Summary

Constructors

Constructor	Description
NashornMemoryWatcher(NashornScriptCallable nashornScriptCallable, Future<Object> scriptTask, long wait, TimeUnit unit, long maxMemoryUsage, boolean debug, Writer errorWriter)	Creates a new memory watcher

Method Summary

Modifier and Type	Method	Description
void	run()

Methods inherited from class java.lang.Object

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

Constructor Details

NashornMemoryWatcher

public NashornMemoryWatcher(NashornScriptCallable nashornScriptCallable,
 Future<Object> scriptTask,
 long wait,
 TimeUnit unit,
 long maxMemoryUsage,
 boolean debug,
 Writer errorWriter)

Creates a new memory watcher

Parameters:

nashornScriptCallable - the script callable to be watched

scriptTask - the script task to get the thread of

wait - how long to wait until the next check

unit - unit until the next check

maxMemoryUsage - how much memory should be used as a maximum

debug - if debug is enabled

errorWriter - the error writer to output some information

Method Details

run

public void run()

Specified by:

run in interface Runnable