Package com.mongodb

Examples of com.mongodb.BSONWriter$Context


            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);
        try {
            executor.setStateMachine(scxml);
        }
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     * {@inheritDoc}
     */
    @Override
    public Set<Entry<String, Object>> entrySet() {
        Set<Entry<String, Object>> entrySet = new HashSet<Entry<String, Object>>();
        Context current = leaf;
        while (current != null) {
            entrySet.addAll(current.getVars().entrySet());
            current = current.getParent();
        }
        return entrySet;
    }
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     * {@inheritDoc}
     */
    @Override
    public Object get(final Object key) {
        if (key != null) {
            Context current = leaf;
            while (current != null) {
                if (current.getVars().containsKey(key.toString())) {
                    return current.getVars().get(key);
                }
                current = current.getParent();
            }
        }
        return null;
    }
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    /**
     * {@inheritDoc}
     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        Context ctx = exctx.getContext(getParentEnterableState());
        Evaluator eval = exctx.getEvaluator();
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        exctx.getAppLog().info(label + ": " + String.valueOf(eval.eval(ctx, expr)));
        ctx.setLocal(getNamespacesKey(), null);
    }
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    /**
     * {@inheritDoc}
     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        Context ctx = exctx.getContext(getParentEnterableState());
        Evaluator eval = exctx.getEvaluator();
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        Object varObj = eval.eval(ctx, expr);
        ctx.setLocal(getNamespacesKey(), null);
        ctx.setLocal(name, varObj);
        if (exctx.getAppLog().isDebugEnabled()) {
            exctx.getAppLog().debug("<var>: Defined variable '" + name
                + "' with initial value '" + String.valueOf(varObj) + "'");
        }
        TriggerEvent ev = new TriggerEvent(name + ".change", TriggerEvent.CHANGE_EVENT);
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    /**
     * {@inheritDoc}
     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        Context ctx = exctx.getContext(getParentEnterableState());
        Evaluator eval = exctx.getEvaluator();
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        try {
            Object arrayObject = eval.eval(ctx,array);
            if (arrayObject != null && (arrayObject instanceof Iterable || arrayObject.getClass().isArray())) {
                if (arrayObject.getClass().isArray()) {
                    for (int currentIndex = 0, size = Array.getLength(arrayObject); currentIndex < size; currentIndex++) {
                        ctx.setLocal(item, Array.get(arrayObject, currentIndex));
                        ctx.setLocal(index, currentIndex);
                        // The "foreach" statement is a "container"
                        for (Action aa : actions) {
                            aa.execute(exctx);
                        }
                    }
                }
                else {
                    // Spec requires to iterate over a shallow copy of underlying array in a way that modifications to
                    // the collection during the execution of <foreach> must not affect the iteration behavior.
                    // For array objects (see above) this isn't needed, but for Iterables we don't have that guarantee
                    // so we make a copy first
                    ArrayList<Object> arrayList = new ArrayList<Object>();
                    for (Object value: (Iterable)arrayObject) {
                        arrayList.add(value);
                    }
                    int currentIndex = 0;
                    for (Object value : arrayList) {
                        ctx.setLocal(item, value);
                        if (index != null) {
                            ctx.setLocal(index, currentIndex);
                        }
                        // The "foreach" statement is a "container"
                        for (Action aa : actions) {
                            aa.execute(exctx);
                        }
                        currentIndex++;
                    }
                }
            }
            // else {} TODO: place the error 'error.execution' in the internal event queue. (section "3.12.2 Errors")
        }
        finally {
            ctx.setLocal(getNamespacesKey(), null);
        }
    }
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     * {@inheritDoc}
     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        EnterableState parentState = getParentEnterableState();
        Context ctx = exctx.getContext(parentState);
        Evaluator eval = exctx.getEvaluator();
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        Boolean rslt;
        try {
            rslt = eval.evalCond(ctx, cond);
            if (rslt == null) {
                if (exctx.getAppLog().isDebugEnabled()) {
                    exctx.getAppLog().debug("Treating as false because the cond expression was evaluated as null: '"
                            + cond + "'");
                }
                rslt = Boolean.FALSE;
            }
        } catch (SCXMLExpressionException e) {
            rslt = Boolean.FALSE;
            exctx.getInternalIOProcessor().addEvent(new TriggerEvent(TriggerEvent.ERROR_EXECUTION, TriggerEvent.ERROR_EVENT));
            exctx.getErrorReporter().onError(ErrorConstants.EXPRESSION_ERROR, "Treating as false due to error: "
                    + e.getMessage(), this);
        }
        execute = rslt;
        ctx.setLocal(getNamespacesKey(), null);
        // The "if" statement is a "container"
        for (Action aa : actions) {
            if (execute && !(aa instanceof ElseIf)) {
                aa.execute(exctx);
            } else if (execute && aa instanceof ElseIf) {
                break;
            } else if (aa instanceof Else) {
                execute = true;
            } else if (aa instanceof ElseIf) {
                ctx.setLocal(getNamespacesKey(), getNamespaces());
                execute = eval.evalCond(ctx, ((ElseIf) aa).getCond());
                ctx.setLocal(getNamespacesKey(), null);
            }
        }
    }
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     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        // Send attributes evaluation
        EnterableState parentState = getParentEnterableState();
        Context ctx = exctx.getContext(parentState);
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        Evaluator eval = exctx.getEvaluator();
        // Most attributes of <send> are expressions so need to be
        // evaluated before the EventDispatcher callback
        Object hintsValue = null;
        if (hints != null) {
            hintsValue = eval.eval(ctx, hints);
        }
        String targetValue = target;
        if (target != null) {
            targetValue = (String) eval.eval(ctx, target);
            if ((targetValue == null || targetValue.trim().length() == 0)
                    && exctx.getAppLog().isWarnEnabled()) {
                exctx.getAppLog().warn("<send>: target expression \"" + target
                    + "\" evaluated to null or empty String");
            }
        }
        String typeValue;
        if (type != null) {
            typeValue = (String) eval.eval(ctx, type);
            if ((typeValue == null || typeValue.trim().length() == 0)
                    && exctx.getAppLog().isWarnEnabled()) {
                exctx.getAppLog().warn("<send>: type expression \"" + type
                    + "\" evaluated to null or empty String");
            }
        } else {
            // must default to 'scxml' when unspecified
            typeValue = TYPE_SCXML;
        }
        Map<String, Object> params = null;
        if (namelist != null) {
            StringTokenizer tkn = new StringTokenizer(namelist);
            params = new HashMap<String, Object>(tkn.countTokens());
            while (tkn.hasMoreTokens()) {
                String varName = tkn.nextToken();
                Object varObj = ctx.get(varName);
                if (varObj == null) {
                    //considered as a warning here
                    exctx.getErrorReporter().onError(ErrorConstants.UNDEFINED_VARIABLE,
                            varName + " = null", parentState);
                }
                params.put(varName, varObj);
            }
        }
        long wait = 0L;
        if (delay != null) {
            Object delayValue = eval.eval(ctx, delay);
            if (delayValue != null) {
                String delayString = delayValue.toString();
                wait = parseDelay(delayString, exctx.getAppLog());
            }
        }
        String eventValue = event;
        if (event != null) {
            eventValue = (String) eval.eval(ctx, event);
            if ((eventValue == null || eventValue.trim().length() == 0) && exctx.getAppLog().isWarnEnabled()) {
                exctx.getAppLog().warn("<send>: event expression \"" + event
                    + "\" evaluated to null or empty String");
            }
        }
        // Lets see if we should handle it ourselves
        if (typeValue != null
              && typeValue.trim().equalsIgnoreCase(TYPE_SCXML)) {
            if (targetValue == null || targetValue.trim().length() == 0) {
                // TODO: Remove both short-circuit passes in v1.0
                if (wait == 0L) {
                    if (exctx.getAppLog().isDebugEnabled()) {
                        exctx.getAppLog().debug("<send>: Enqueued event '" + eventValue
                            + "' with no delay");
                    }
                    exctx.getInternalIOProcessor().addEvent(
                            new TriggerEvent(eventValue, TriggerEvent.SIGNAL_EVENT, params));
                    return;
                }
            } else {
                // We know of no other
                if (exctx.getAppLog().isWarnEnabled()) {
                    exctx.getAppLog().warn("<send>: Unavailable target - "
                        + targetValue);
                }
                exctx.getInternalIOProcessor().addEvent(
                        new TriggerEvent(EVENT_ERR_SEND_TARGETUNAVAILABLE, TriggerEvent.ERROR_EVENT));
                // short-circuit the EventDispatcher
                return;
            }
        }
        ctx.setLocal(getNamespacesKey(), null);
        if (exctx.getAppLog().isDebugEnabled()) {
            exctx.getAppLog().debug("<send>: Dispatching event '" + eventValue
                + "' to target '" + targetValue + "' of target type '"
                + typeValue + "' with suggested delay of " + wait
                + "ms");
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     * {@inheritDoc}
     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        EnterableState parentState = getParentEnterableState();
        Context ctx = exctx.getContext(parentState);
        Evaluator eval = exctx.getEvaluator();
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        // "location" gets preference over "name"
        if (location != null) {
            Node oldNode = eval.evalLocation(ctx, location);
            if (oldNode != null) {
                //// rvalue may be ...
                // a Node, if so, import it at location
                Node newNode;
                try {
                    if (src != null && src.trim().length() > 0) {
                        newNode = getSrcNode();
                    } else {
                        newNode = eval.evalLocation(ctx, expr);
                    }
                    // Remove all children
                    Node removeChild = oldNode.getFirstChild();
                    while (removeChild != null) {
                        Node nextChild = removeChild.getNextSibling();
                        oldNode.removeChild(removeChild);
                        removeChild = nextChild;
                    }
                    if (newNode != null) {
                        // Adopt new children
                        for (Node child = newNode.getFirstChild();
                                child != null;
                                child = child.getNextSibling()) {
                            Node importedNode = oldNode.getOwnerDocument().
                                importNode(child, true);
                            oldNode.appendChild(importedNode);
                        }
                    }
                } catch (SCXMLExpressionException see) {
                    // or something else, stuff toString() into lvalue
                    Object valueObject = eval.eval(ctx, expr);
                    setNodeValue(oldNode, valueObject.toString());
                }
                if (exctx.getAppLog().isDebugEnabled()) {
                    exctx.getAppLog().debug("<assign>: data node '" + oldNode.getNodeName()
                        + "' updated");
                }
                /* TODO: send to notificationRegistry instead?
                TriggerEvent ev = new TriggerEvent(name + ".change",
                    TriggerEvent.CHANGE_EVENT);
                exctx.addInternalEvent(ev);
                */
            } else {
                exctx.getAppLog().error("<assign>: location does not point to"
                    + " a <data> node");
            }
        } else {
            // lets try "name" (usage as in Sep '05 WD, useful with <var>)
            if (!ctx.has(name)) {
                exctx.getErrorReporter().onError(ErrorConstants.UNDEFINED_VARIABLE, name
                    + " = null", parentState);
            } else {
                Object varObj;
                if (src != null && src.trim().length() > 0) {
                    varObj = getSrcNode();
                } else {
                    varObj = eval.eval(ctx, expr);
                }
                ctx.set(name, varObj);
                if (exctx.getAppLog().isDebugEnabled()) {
                    exctx.getAppLog().debug("<assign>: Set variable '" + name + "' to '"
                        + String.valueOf(varObj) + "'");
                }
                TriggerEvent ev = new TriggerEvent(name + ".change", TriggerEvent.CHANGE_EVENT);
                exctx.getInternalIOProcessor().addEvent(ev);
            }
        }
        ctx.setLocal(getNamespacesKey(), null);
    }
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    /**
     * {@inheritDoc}
     */
    @Override
    public void execute(ActionExecutionContext exctx) throws ModelException, SCXMLExpressionException {
        Context ctx = isGlobalScript() ? exctx.getGlobalContext() : exctx.getContext(getParentEnterableState());
        ctx.setLocal(getNamespacesKey(), getNamespaces());
        Evaluator eval = exctx.getEvaluator();
        eval.evalScript(ctx, getScript());
        ctx.setLocal(getNamespacesKey(), null);
    }
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