Package delight.nashornsandbox.internal

Class JsEvaluator

java.lang.Object

delight.nashornsandbox.internal.JsEvaluator

All Implemented Interfaces:

java.lang.Runnable

class JsEvaluator
extends java.lang.Object
implements java.lang.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 java.lang.Exception	exception
private ScriptEngineOperation	operation
private java.lang.Object	result
private javax.script.ScriptEngine	scriptEngine
private ThreadMonitor	threadMonitor

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
(package private) java.lang.Exception	getException()
(package private) java.lang.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 java.lang.Object

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

Field Detail

threadMonitor

private final ThreadMonitor threadMonitor

scriptEngine

private final javax.script.ScriptEngine scriptEngine

result

private java.lang.Object result

exception

private java.lang.Exception exception

operation

private final ScriptEngineOperation operation

Constructor Detail

JsEvaluator

JsEvaluator(javax.script.ScriptEngine scriptEngine,
            long maxCPUTime,
            long maxMemory,
            ScriptEngineOperation operation)

Method Detail

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 java.lang.Runnable

getException

java.lang.Exception getException()

getResult

java.lang.Object getResult()