Examples of org.apache.commons.scxml2.SCXMLExecutor

org.apache.commons.scxml2.TriggerEvent

The SCXML "engine" that executes SCXML documents. The particular semantics used by this engine for executing the SCXML are encapsulated in the SCXMLSemantics implementation that it uses.

The default implementation is org.apache.commons.scxml2.semantics.SCXMLSemanticsImpl

The executor uses SCXMLExecutionContext to manage the state and provide all the services to the SCXMLSemantics implementation.
@see SCXMLSemantics

            throws SCXMLExpressionException {
        XPath xpath = getXPath(ctx);
        try {
            return xpath.evaluate(expr, dummyContextNode, XPathConstants.STRING);
        } catch (XPathExpressionException xee) {
            throw new SCXMLExpressionException(xee.getMessage(), xee);
        }
    }

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            throws SCXMLExpressionException {
        XPath xpath = getXPath(ctx);
        try {
            return (Boolean) xpath.evaluate(expr, dummyContextNode, XPathConstants.BOOLEAN);
        } catch (XPathExpressionException xee) {
            throw new SCXMLExpressionException(xee.getMessage(), xee);
        }
    }

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            replaceFirst("DataNode(");
        XPath xpath = getXPath(ctx);
        try {
            return (Node) xpath.evaluate(evalExpr, dummyContextNode, XPathConstants.NODE);
        } catch (XPathExpressionException xee) {
            throw new SCXMLExpressionException(xee.getMessage(), xee);
        }
    }

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     * Get configures XPath from the factory.
     */
    @SuppressWarnings("unchecked")
    private XPath getXPath(final Context ctx) throws SCXMLExpressionException {
        if (!(ctx instanceof XPathContext)) {
            throw new SCXMLExpressionException("XPathEvaluator needs XPathContext");
        }
        XPathContext xctx = (XPathContext) ctx;
        factory.setXPathVariableResolver(xctx);
        fnResolver.setContext(xctx);
        XPath xpath = factory.newXPath();

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            try {
                wait = Long.parseLong(numericDelay);
            } catch (NumberFormatException nfe) {
                appLog.error(nfe.getMessage(), nfe);
                throw new SCXMLExpressionException(nfe.getMessage(), nfe);
            }
            wait *= multiplier;


        }
        return wait;

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            // ... evaluate
            return engine.eval(jsExpression,new JSBindings(context,bindings));


        } catch (Exception x) {
            throw new SCXMLExpressionException("Error evaluating ['" + expression + "'] " + x);
        }
    }

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        if (object instanceof Boolean) {
           return (Boolean) object;
        }


        throw new SCXMLExpressionException("Invalid boolean expression: " + expression);
    }

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            // ... evaluate
            return (Node) engine.eval(jsExpression,new JSBindings(context,bindings));


        } catch (Exception x) {
            throw new SCXMLExpressionException("Error evaluating ['" + expression + "'] " + x);
        }
    }

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            executor.go();
        } catch (ModelException me) {
            throw new InvokerException(me.getMessage(), me.getCause());
        }
        if (executor.getCurrentStatus().isFinal()) {
            TriggerEvent te = new TriggerEvent("done.invoke."+parentStateId, TriggerEvent.SIGNAL_EVENT);
            new AsyncTrigger(parentIOProcessor, te).start();
        }
    }

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            executor.triggerEvent(evt);
        } catch (ModelException me) {
            throw new InvokerException(me.getMessage(), me.getCause());
        }
        if (!doneBefore && executor.getCurrentStatus().isFinal()) {
            TriggerEvent te = new TriggerEvent("done.invoke."+parentStateId,TriggerEvent.SIGNAL_EVENT);
            new AsyncTrigger(parentIOProcessor, te).start();
        }
    }

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