Examples with EventTrigger io.automatiko.engine.workflow.process.core.node.EventTrigger used on opensource projects

Example 16 with EventTrigger

use of io.automatiko.engine.workflow.process.core.node.EventTrigger in project automatiko-engine by automatiko-io.

the class WorkflowProcessInstanceImpl method signalEvent.

@Override
@SuppressWarnings("unchecked")
public void signalEvent(String type, Object event) {
    logger.debug("Signal {} received with data {} in process instance {}", type, event, getId());
    synchronized (this) {
        if (getState() != ProcessInstance.STATE_ACTIVE) {
            return;
        }
        InternalProcessRuntime processRuntime = getProcessRuntime();
        processRuntime.getProcessEventSupport().fireBeforeProcessSignaled(type, event, this, processRuntime);
        if ("timerTriggered".equals(type)) {
            TimerInstance timer = (TimerInstance) event;
            if (timer.getId().equals(slaTimerId)) {
                handleSLAViolation();
                // no need to pass the event along as it was purely for SLA tracking
                return;
            }
        }
        if ("slaViolation".equals(type)) {
            handleSLAViolation();
            // no need to pass the event along as it was purely for SLA tracking
            return;
        }
        List<NodeInstance> currentView = new ArrayList<>(this.nodeInstances);
        try {
            this.activatingNodeIds = new ArrayList<>();
            List<EventListener> listeners = eventListeners.get(type);
            if (listeners != null) {
                for (EventListener listener : listeners) {
                    listener.signalEvent(type, event);
                }
            }
            listeners = externalEventListeners.get(type);
            if (listeners != null) {
                for (EventListener listener : listeners) {
                    listener.signalEvent(type, event);
                }
            }
            if (!type.startsWith("Compensation")) {
                for (Node node : getWorkflowProcess().getNodes()) {
                    if (node instanceof EventNodeInterface && ((EventNodeInterface) node).acceptsEvent(type, event, getResolver(node, currentView))) {
                        if (node instanceof EventNode && ((EventNode) node).getFrom() == null) {
                            EventNodeInstance eventNodeInstance = (EventNodeInstance) getNodeInstance(node);
                            eventNodeInstance.signalEvent(type, event);
                        } else {
                            if (node instanceof EventSubProcessNode && (resolveVariables(((EventSubProcessNode) node).getEvents()).contains(type))) {
                                EventSubProcessNodeInstance eventNodeInstance = (EventSubProcessNodeInstance) getNodeInstance(node);
                                eventNodeInstance.signalEvent(type, event);
                            } else {
                                List<NodeInstance> nodeInstances = getNodeInstances(node.getId(), currentView);
                                if (nodeInstances != null && !nodeInstances.isEmpty()) {
                                    for (NodeInstance nodeInstance : nodeInstances) {
                                        ((EventNodeInstanceInterface) nodeInstance).signalEvent(type, event);
                                    }
                                }
                            }
                        }
                    } else if (node instanceof StartNode && ((StartNode) node).getTriggers() != null) {
                        boolean accepted = ((StartNode) node).getTriggers().stream().filter(EventTrigger.class::isInstance).anyMatch(t -> ((EventTrigger) t).getEventFilters().stream().anyMatch(e -> e.acceptsEvent(type, event)));
                        if (accepted && node.getMetaData().get("acceptStartSignal") != null) {
                            StartNodeInstance startNodeInstance = (StartNodeInstance) getNodeInstance(node);
                            startNodeInstance.signalEvent(type, event);
                        }
                    }
                }
                if (((io.automatiko.engine.workflow.process.core.WorkflowProcess) getWorkflowProcess()).isDynamic()) {
                    for (Node node : getWorkflowProcess().getNodes()) {
                        if (node.hasMatchingEventListner(type) && node.getIncomingConnections().isEmpty()) {
                            NodeInstance nodeInstance = getNodeInstance(node);
                            if (nodeInstance != null) {
                                if (event != null) {
                                    Map<String, Object> dynamicParams = new HashMap<>(getVariables());
                                    if (event instanceof Map) {
                                        dynamicParams.putAll((Map<String, Object>) event);
                                    } else if (event instanceof WorkflowProcessInstance) {
                                    // ignore variables of process instance type
                                    } else {
                                        dynamicParams.put("Data", event);
                                    }
                                    nodeInstance.setDynamicParameters(dynamicParams);
                                }
                                nodeInstance.trigger(null, io.automatiko.engine.workflow.process.core.Node.CONNECTION_DEFAULT_TYPE);
                            }
                        } else if (this instanceof ExecutableProcessInstance && node instanceof CompositeNode) {
                            Optional<NodeInstance> instance = this.nodeInstances.stream().filter(ni -> ni.getNodeId() == node.getId()).findFirst();
                            instance.ifPresent(n -> ((CompositeNodeInstance) n).signalEvent(type, event));
                        }
                    }
                }
            }
        } finally {
            processRuntime.getProcessEventSupport().fireAfterProcessSignaled(type, event, this, processRuntime);
            if (this.activatingNodeIds != null) {
                this.activatingNodeIds.clear();
                this.activatingNodeIds = null;
            }
        }
    }
}

Example 17 with EventTrigger

use of io.automatiko.engine.workflow.process.core.node.EventTrigger in project automatiko-engine by automatiko-io.

the class ProcessHandler method handleIntermediateOrEndThrowCompensationEvent.

protected void handleIntermediateOrEndThrowCompensationEvent(ExtendedNodeImpl throwEventNode) {
    if (throwEventNode.getMetaData("compensation-activityRef") != null) {
        String activityRef = (String) throwEventNode.getMetaData().remove("compensation-activityRef");
        NodeContainer nodeParent = (NodeContainer) throwEventNode.getParentContainer();
        if (nodeParent instanceof EventSubProcessNode) {
            boolean compensationEventSubProcess = false;
            List<Trigger> startTriggers = ((EventSubProcessNode) nodeParent).findStartNode().getTriggers();
            CESP_CHECK: for (Trigger trigger : startTriggers) {
                if (trigger instanceof EventTrigger) {
                    for (EventFilter filter : ((EventTrigger) trigger).getEventFilters()) {
                        if (((EventTypeFilter) filter).getType().equals("Compensation")) {
                            compensationEventSubProcess = true;
                            break CESP_CHECK;
                        }
                    }
                }
            }
            if (compensationEventSubProcess) {
                // BPMN2 spec, p. 252, p. 248: intermediate and end compensation event
                // visibility scope
                nodeParent = (NodeContainer) ((NodeImpl) nodeParent).getParentContainer();
            }
        }
        String parentId;
        if (nodeParent instanceof ExecutableProcess) {
            parentId = ((ExecutableProcess) nodeParent).getId();
        } else {
            parentId = (String) ((NodeImpl) nodeParent).getMetaData("UniqueId");
        }
        String compensationEvent;
        if (activityRef.length() == 0) {
            // general/implicit compensation
            compensationEvent = CompensationScope.IMPLICIT_COMPENSATION_PREFIX + parentId;
        } else {
            // specific compensation
            compensationEvent = activityRef;
        }
        throwEventNode.setMetaData("CompensationEvent", compensationEvent);
        ConsequenceAction compensationAction = new ConsequenceAction("java", "");
        compensationAction.setMetaData("Action", new ProcessInstanceCompensationAction(compensationEvent));
        if (throwEventNode instanceof ActionNode) {
            ((ActionNode) throwEventNode).setAction(compensationAction);
        } else if (throwEventNode instanceof EndNode) {
            List<ProcessAction> actions = new ArrayList<ProcessAction>();
            actions.add(compensationAction);
            ((EndNode) throwEventNode).setActions(EndNode.EVENT_NODE_ENTER, actions);
        }
        throwEventNode.setMetaData("TriggerType", "Compensation");
    }
}

Example 18 with EventTrigger

use of io.automatiko.engine.workflow.process.core.node.EventTrigger in project automatiko-engine by automatiko-io.

the class ProcessRuntimeImpl method initProcessEventListener.

private void initProcessEventListener(Process process) {
    if (process instanceof ExecutableProcess) {
        for (Node node : ((ExecutableProcess) process).getNodes()) {
            if (node instanceof StartNode) {
                StartNode startNode = (StartNode) node;
                if (startNode != null) {
                    List<Trigger> triggers = startNode.getTriggers();
                    if (triggers != null) {
                        for (Trigger trigger : triggers) {
                            if (trigger instanceof EventTrigger) {
                                final List<EventFilter> filters = ((EventTrigger) trigger).getEventFilters();
                                String type = null;
                                for (EventFilter filter : filters) {
                                    if (filter instanceof EventTypeFilter) {
                                        type = ((EventTypeFilter) filter).getType();
                                    }
                                }
                                StartProcessEventListener listener = new StartProcessEventListener(process.getId(), filters, trigger.getInMappings(), startNode.getEventTransformer());
                                signalManager.addEventListener(type, listener);
                                ((ExecutableProcess) process).getRuntimeMetaData().put("StartProcessEventType", type);
                                ((ExecutableProcess) process).getRuntimeMetaData().put("StartProcessEventListener", listener);
                            }
                        }
                    }
                }
            }
        }
    }
}

Example 19 with EventTrigger

use of io.automatiko.engine.workflow.process.core.node.EventTrigger in project automatiko-engine by automatiko-io.

the class StartNodeFactory method trigger.

public StartNodeFactory trigger(String triggerEventType, String mapping, String variableName) {
    EventTrigger trigger = new EventTrigger();
    EventTypeFilter eventFilter = new EventTypeFilter();
    eventFilter.setType(triggerEventType);
    trigger.addEventFilter(eventFilter);
    if (mapping != null && !mapping.isEmpty()) {
        trigger.addInMapping(mapping, variableName);
    }
    getStartNode().addTrigger(trigger);
    return this;
}