Examples of org.apache.commons.scxml2.EventDispatcher

org.apache.commons.scxml2.env.SimpleErrorReporter
The event controller interface used to send messages containing events or other information directly to another SCXML Interpreter, other external systems using an Event I/O Processor or to raise events in the current SCXML session.

                        context.setLocal(Context.NAMESPACES_KEY, i.getNamespaces());
                        srcObj = eval.eval(context, srcexpr);
                        context.setLocal(Context.NAMESPACES_KEY, null);
                        src = String.valueOf(srcObj);
                    } catch (SCXMLExpressionException see) {
                        exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                        exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                    }
                }
                String source = src;
                PathResolver pr = i.getPathResolver();
                if (pr != null) {
                    source = i.getPathResolver().resolvePath(src);
                }
                Invoker inv;
                try {
                    inv = exctx.newInvoker(i.getType());
                } catch (InvokerException ie) {
                    exctx.getInternalIOProcessor().addEvent(new TriggerEvent("failed.invoke."+ts.getId(), TriggerEvent.ERROR_EVENT));
                    continue;
                }
                List<Param> params = i.params();
                Map<String, Object> args = new HashMap<String, Object>();
                for (Param p : params) {
                    String argExpr = p.getExpr();
                    Object argValue = null;
                    context.setLocal(Context.NAMESPACES_KEY, p.getNamespaces());
                    // Do we have an "expr" attribute?
                    if (argExpr != null && argExpr.trim().length() > 0) {
                        try {
                            argValue = eval.eval(context, argExpr);
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    } else {
                        // No. Does value of "name" attribute refer to a valid
                        // location in the data model?
                        try {
                            argValue = eval.evalLocation(context, p.getName());
                            if (argValue == null) {
                                // Generate error, 4.3.1 in WD-scxml-20080516
                                exctx.getInternalIOProcessor().addEvent(new TriggerEvent(ts.getId() + ERR_ILLEGAL_ALLOC, TriggerEvent.ERROR_EVENT));
                            }
                        } catch (SCXMLExpressionException see) {
                            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
                            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, see.getMessage(), i);
                        }
                    }
                    context.setLocal(Context.NAMESPACES_KEY, null);
                    args.put(p.getName(), argValue);
                }
                String invokeId = exctx.setInvoker(i, inv);
                inv.setInvokeId(invokeId);
                inv.setParentIOProcessor(exctx.getExternalIOProcessor());
                inv.setEvaluator(exctx.getEvaluator());
                try {
                    inv.invoke(source, args);
                } catch (InvokerException ie) {
                    exctx.getInternalIOProcessor().addEvent(new TriggerEvent("failed.invoke."+ts.getId(), TriggerEvent.ERROR_EVENT));
                    exctx.removeInvoker(i);
                }
            }
        }
    }

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     * @param nodeCtx The GroovyContext for this state.
     * @return The effective GroovyContext for the path leading up to
     *         document root.
     */
    private GroovyContext getEffectiveContext(final GroovyContext nodeCtx) {
        return new GroovyContext(new EffectiveContextMap(nodeCtx), this);
    }

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     * @param nodeCtx The JexlContext for this state.
     * @return The effective JexlContext for the path leading up to
     *         document root.
     */
    private JexlContext getEffectiveContext(final JexlContext nodeCtx) {
        return new JexlContext(new EffectiveContextMap(nodeCtx));
    }

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     */
    protected SCXMLExecutionContext(SCXMLIOProcessor externalIOProcessor, Evaluator evaluator,
                                    EventDispatcher eventDispatcher, ErrorReporter errorReporter) {
        this.externalIOProcessor = externalIOProcessor;
        this.evaluator = evaluator;
        this.eventdispatcher = eventDispatcher != null ? eventDispatcher : new SimpleDispatcher();
        this.errorReporter = errorReporter != null ? errorReporter : new SimpleErrorReporter();
        this.notificationRegistry = new NotificationRegistry();


        this.scInstance = new SCInstance(this, this.evaluator, this.errorReporter);
        this.actionExecutionContext = new ActionExecutionContext(this);

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     * Set or replace the event dispatch
     *
     * @param eventdispatcher The event dispatcher to set, if null a SimpleDispatcher instance will be used instead
     */
    protected void setEventdispatcher(EventDispatcher eventdispatcher) {
        this.eventdispatcher = eventdispatcher != null ? eventdispatcher : new SimpleDispatcher();
    }

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        } catch (IOException ioe) {
            throw new InvokerException(ioe.getMessage(), ioe.getCause());
        } catch (XMLStreamException xse) {
            throw new InvokerException(xse.getMessage(), xse.getCause());
        }
        executor = new SCXMLExecutor(evaluator, new SimpleDispatcher(), new SimpleErrorReporter());
        Context rootCtx = evaluator.newContext(null);
        for (Map.Entry<String, Object> entry : params.entrySet()) {
            rootCtx.setLocal(entry.getKey(), entry.getValue());
        }
        executor.setRootContext(rootCtx);

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            } catch (SAXException se) {
                throw new XMLStreamException("Failed to create SCXML Schema for validation", se);
            }


            Validator validator = schema.newValidator();
            validator.setErrorHandler(new SimpleErrorHandler());


            Source src = null;
            if (urlStream != null) {
                // configuration.encoding is ignored
                if (configuration.systemId != null) {

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    protected SCXMLExecutionContext(SCXMLIOProcessor externalIOProcessor, Evaluator evaluator,
                                    EventDispatcher eventDispatcher, ErrorReporter errorReporter) {
        this.externalIOProcessor = externalIOProcessor;
        this.evaluator = evaluator;
        this.eventdispatcher = eventDispatcher != null ? eventDispatcher : new SimpleDispatcher();
        this.errorReporter = errorReporter != null ? errorReporter : new SimpleErrorReporter();
        this.notificationRegistry = new NotificationRegistry();


        this.scInstance = new SCInstance(this, this.evaluator, this.errorReporter);
        this.actionExecutionContext = new ActionExecutionContext(this);
    }

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     * Set or replace the error reporter
     *
     * @param errorReporter The error reporter to set, if null a SimpleErrorReporter instance will be used instead
     */
    protected void setErrorReporter(ErrorReporter errorReporter) {
        this.errorReporter = errorReporter != null ? errorReporter : new SimpleErrorReporter();
        try {
            scInstance.setErrorReporter(errorReporter);
        }
        catch (ModelException me) {
            // won't happen

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        } catch (IOException ioe) {
            throw new InvokerException(ioe.getMessage(), ioe.getCause());
        } catch (XMLStreamException xse) {
            throw new InvokerException(xse.getMessage(), xse.getCause());
        }
        executor = new SCXMLExecutor(evaluator, new SimpleDispatcher(), new SimpleErrorReporter());
        Context rootCtx = evaluator.newContext(null);
        for (Map.Entry<String, Object> entry : params.entrySet()) {
            rootCtx.setLocal(entry.getKey(), entry.getValue());
        }
        executor.setRootContext(rootCtx);

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Related Classes of org.apache.commons.scxml2.EventDispatcher

groovy.lang.Script

org.apache.axis2.context.MessageContext

org.apache.commons.jexl2.Expression

org.apache.commons.jexl2.JexlEngine

org.apache.commons.scxml2.Context

org.apache.commons.scxml2.env.AbstractStateMachine

org.apache.commons.scxml2.env.EffectiveContextMap

org.apache.commons.scxml2.env.groovy.GroovyEvaluator

org.apache.commons.scxml2.env.javascript.JSEvaluator

org.apache.commons.scxml2.env.jexl.JexlContext

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