Class JsEvaluator

java.lang.Object

delight.nashornsandbox.internal.JsEvaluator

All Implemented Interfaces:

Runnable

class JsEvaluator
extends Object
implements Runnable

The JavaScript evaluator. It is designed to run Nashorn engine in separate thread (using provided ExecutorService), to allow limit cpu time consumed.

Created on 2017.11.22

Version:

$Id$

Field Summary

Fields

Modifier and Type	Field	Description
private Exception	exception
private final ScriptEngineOperation	operation
private Object	result
private final ScriptEngine	scriptEngine
private final ThreadMonitor	threadMonitor

Constructor Summary

Constructors

Constructor	Description
JsEvaluator(ScriptEngine scriptEngine, long maxCPUTime, long maxMemory, ScriptEngineOperation operation)

Method Summary

Modifier and Type	Method	Description
(package private) Exception	getException()
(package private) Object	getResult()
(package private) boolean	isCPULimitExceeded()
(package private) boolean	isMemoryLimitExceeded()
(package private) boolean	isScriptKilled()
void	run()
(package private) void	runMonitor()	Enter the monitor method.

Methods inherited from class Object

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

Field Details

threadMonitor

private final ThreadMonitor threadMonitor

scriptEngine

private final ScriptEngine scriptEngine

result

private Object result

exception

private Exception exception

operation

private final ScriptEngineOperation operation

Constructor Details

JsEvaluator

JsEvaluator(ScriptEngine scriptEngine,
 long maxCPUTime,
 long maxMemory,
 ScriptEngineOperation operation)

Method Details

isScriptKilled

boolean isScriptKilled()

isCPULimitExceeded

boolean isCPULimitExceeded()

isMemoryLimitExceeded

boolean isMemoryLimitExceeded()

runMonitor

void runMonitor()

Enter the monitor method. It should be called from main thread.

run

public void run()

Specified by:

run in interface Runnable

getException

Exception getException()

getResult

Object getResult()