[jboss-user] [jBPM] - Re: Custom JuelScriptEngine

[Marcos Sousa]

Marcos Sousa [https://community.jboss.org/people/marcos.sousa] created the discussion

"Re: Custom JuelScriptEngine"

To view the discussion, visit: https://community.jboss.org/message/826763#826763

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An way that looked to fit to me is:
public ScriptEngine getScriptEngine() {
        if (queue.isEmpty()) {
            ScriptEngine scriptEngine = new Juel4AppnameScriptEngine(this);

            try {
                queue.put(scriptEngine);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            return scriptEngine;
        } else {
            while (!queue.isEmpty()) {
                try {
                    Thread.sleep(1 * 100L);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }

            ScriptEngine scriptEngine = new Juel4AppnameScriptEngine(this);

            try {
                queue.put(scriptEngine);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            return scriptEngine;
        }
    }

Then in Juel4AppnameScriptEngine I use "Juel4ImpressionScriptEngineFactory.queue.poll();" before return eval method.
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