Example usage for org.apache.commons.scxml2 Context set

List of usage examples for org.apache.commons.scxml2 Context set

Introduction

In this page you can find the example usage for org.apache.commons.scxml2 Context set.

Prototype

void set(String name, Object value);

Source Link

Document

Assigns a new value to an existing variable or creates a new one.

Usage

From source file:com.github.woonsan.commons.scxml.examples.stopwatch.Main.java

public static void main(String[] args) throws Exception {
    // evaluator instance which is used by SCXML engine to evaluate expressions in SCXML
    Evaluator evaluator = new JexlEvaluator();
    // engine to execute the scxml instance
    SCXMLExecutor executor = new SCXMLExecutor(evaluator, null, new SimpleErrorReporter());

    // parse SCXML URL into SCXML model
    SCXML scxml = SCXMLReader.read(SCXML);
    // set state machine (scxml instance) to execute
    executor.setStateMachine(scxml);/*from  w ww  .  ja va 2 s .co  m*/

    // create root context storing variables and being used by evaluator
    Context rootContext = evaluator.newContext(null);

    // create stopWatch object and add it to rootContext
    // to be able to script with that in SCXML.
    StopWatch stopWatch = new StopWatch();
    rootContext.set("stopWatch", stopWatch);

    // set the root context for the engine
    executor.setRootContext(rootContext);

    // initiate the execution of the state machine
    executor.go();

    new StopWatchFrame(executor);
}