Examples with EventNodeInstance org.jbpm.workflow.instance.node.EventNodeInstance used on opensource projects

Example 1 with EventNodeInstance

use of org.jbpm.workflow.instance.node.EventNodeInstance in project jbpm by kiegroup.

the class ProcessServiceImpl method collectActiveSignals.

protected Collection<String> collectActiveSignals(Collection<NodeInstance> activeNodes) {
    Collection<String> activeNodesComposite = new ArrayList<>();
    for (NodeInstance nodeInstance : activeNodes) {
        if (nodeInstance instanceof EventNodeInstance) {
            String type = ((EventNodeInstance) nodeInstance).getEventNode().getType();
            if (type != null && !type.startsWith("Message-")) {
                activeNodesComposite.add(VariableUtil.resolveVariable(type, nodeInstance));
            }
        }
        if (nodeInstance instanceof CompositeNodeInstance) {
            Collection<NodeInstance> currentNodeInstances = ((CompositeNodeInstance) nodeInstance).getNodeInstances();
            // recursively check current nodes
            activeNodesComposite.addAll(collectActiveSignals(currentNodeInstances));
        }
    }
    return activeNodesComposite;
}

Example 2 with EventNodeInstance

use of org.jbpm.workflow.instance.node.EventNodeInstance in project jbpm by kiegroup.

the class CompensationScopeInstance method handleException.

public void handleException(ExceptionHandler handler, String compensationActivityRef, Object dunno) {
    WorkflowProcessInstanceImpl processInstance = (WorkflowProcessInstanceImpl) getProcessInstance();
    NodeInstanceContainer nodeInstanceContainer = (NodeInstanceContainer) getContextInstanceContainer();
    if (handler instanceof CompensationHandler) {
        CompensationHandler compensationHandler = (CompensationHandler) handler;
        try {
            Node handlerNode = compensationHandler.getnode();
            if (handlerNode instanceof BoundaryEventNode) {
                NodeInstance compensationHandlerNodeInstance = nodeInstanceContainer.getNodeInstance(handlerNode);
                compensationInstances.add(compensationHandlerNodeInstance);
                // The BoundaryEventNodeInstance.signalEvent() contains the necessary logic
                // to check whether or not compensation may proceed (? : (not-active + completed))
                EventNodeInstance eventNodeInstance = (EventNodeInstance) compensationHandlerNodeInstance;
                eventNodeInstance.signalEvent("Compensation", compensationActivityRef);
            } else if (handlerNode instanceof EventSubProcessNode) {
                // Check that subprocess parent has completed.
                List<String> completedIds = processInstance.getCompletedNodeIds();
                if (completedIds.contains(((NodeImpl) handlerNode.getNodeContainer()).getMetaData("UniqueId"))) {
                    NodeInstance subProcessNodeInstance = ((NodeInstanceContainer) nodeInstanceContainer).getNodeInstance((Node) handlerNode.getNodeContainer());
                    compensationInstances.add(subProcessNodeInstance);
                    NodeInstance compensationHandlerNodeInstance = ((NodeInstanceContainer) subProcessNodeInstance).getNodeInstance(handlerNode);
                    compensationInstances.add(compensationHandlerNodeInstance);
                    EventSubProcessNodeInstance eventNodeInstance = (EventSubProcessNodeInstance) compensationHandlerNodeInstance;
                    eventNodeInstance.signalEvent("Compensation", compensationActivityRef);
                }
            }
            assert handlerNode instanceof BoundaryEventNode || handlerNode instanceof EventSubProcessNode : "Unexpected compensation handler node type : " + handlerNode.getClass().getSimpleName();
        } catch (Exception e) {
            throwWorkflowRuntimeException(nodeInstanceContainer, processInstance, "Unable to execute compensation.", e);
        }
    } else {
        Exception e = new IllegalArgumentException("Unsupported compensation handler: " + handler);
        throwWorkflowRuntimeException(nodeInstanceContainer, processInstance, e.getMessage(), e);
    }
}

Example 3 with EventNodeInstance

use of org.jbpm.workflow.instance.node.EventNodeInstance in project jbpm by kiegroup.

the class WorkflowProcessInstanceImpl method signalEvent.

@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;
        }
        if ("timerTriggered".equals(type)) {
            TimerInstance timer = (TimerInstance) event;
            if (timer.getId() == 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<NodeInstance>(this.nodeInstances);
        try {
            this.activatingNodeIds = new ArrayList<String>();
            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);
                }
            }
            for (Node node : getWorkflowProcess().getNodes()) {
                if (node instanceof EventNodeInterface) {
                    if (((EventNodeInterface) node).acceptsEvent(type, event, (e) -> resolveVariable(e))) {
                        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);
                            }
                            if (node instanceof DynamicNode && type.equals(((DynamicNode) node).getActivationEventName())) {
                                DynamicNodeInstance dynamicNodeInstance = (DynamicNodeInstance) getNodeInstance(node);
                                dynamicNodeInstance.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);
                                    }
                                }
                            }
                        }
                    }
                }
            }
            if (((org.jbpm.workflow.core.WorkflowProcess) getWorkflowProcess()).isDynamic()) {
                for (Node node : getWorkflowProcess().getNodes()) {
                    if (type.equals(node.getName()) && node.getIncomingConnections().isEmpty()) {
                        NodeInstance nodeInstance = getNodeInstance(node);
                        if (event != null) {
                            Map<String, Object> dynamicParams = new HashMap<>();
                            if (event instanceof Map) {
                                dynamicParams.putAll((Map<String, Object>) event);
                            } else {
                                dynamicParams.put("Data", event);
                            }
                            ((org.jbpm.workflow.instance.NodeInstance) nodeInstance).setDynamicParameters(dynamicParams);
                        }
                        ((org.jbpm.workflow.instance.NodeInstance) nodeInstance).trigger(null, NodeImpl.CONNECTION_DEFAULT_TYPE);
                    }
                }
            }
        } finally {
            if (this.activatingNodeIds != null) {
                this.activatingNodeIds.clear();
                this.activatingNodeIds = null;
            }
        }
    }
}

Example 4 with EventNodeInstance

use of org.jbpm.workflow.instance.node.EventNodeInstance in project jbpm by kiegroup.

the class AbstractProtobufProcessInstanceMarshaller method readNodeInstanceContent.

protected NodeInstanceImpl readNodeInstanceContent(JBPMMessages.ProcessInstance.NodeInstance _node, MarshallerReaderContext context, WorkflowProcessInstance processInstance) throws IOException {
    NodeInstanceImpl nodeInstance = null;
    NodeInstanceContent _content = _node.getContent();
    switch(_content.getType()) {
        case RULE_SET_NODE:
            nodeInstance = new RuleSetNodeInstance();
            ((RuleSetNodeInstance) nodeInstance).setRuleFlowGroup(_content.getRuleSet().getRuleFlowGroup());
            if (_content.getRuleSet().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getRuleSet().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((RuleSetNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            if (_content.getRuleSet().getMapEntryCount() > 0) {
                Map<String, FactHandle> factInfo = new HashMap<String, FactHandle>();
                for (TextMapEntry entry : _content.getRuleSet().getMapEntryList()) {
                    factInfo.put(entry.getName(), DefaultFactHandle.createFromExternalFormat(entry.getValue()));
                }
                ((RuleSetNodeInstance) nodeInstance).setFactHandles(factInfo);
            }
            break;
        case HUMAN_TASK_NODE:
            nodeInstance = new HumanTaskNodeInstance();
            ((HumanTaskNodeInstance) nodeInstance).internalSetWorkItemId(_content.getHumanTask().getWorkItemId());
            if (_content.getHumanTask().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getHumanTask().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((HumanTaskNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        case WORK_ITEM_NODE:
            nodeInstance = new WorkItemNodeInstance();
            ((WorkItemNodeInstance) nodeInstance).internalSetWorkItemId(_content.getWorkItem().getWorkItemId());
            if (_content.getWorkItem().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getWorkItem().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((WorkItemNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        case SUBPROCESS_NODE:
            nodeInstance = new SubProcessNodeInstance();
            ((SubProcessNodeInstance) nodeInstance).internalSetProcessInstanceId(_content.getSubProcess().getProcessInstanceId());
            if (_content.getSubProcess().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getSubProcess().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((SubProcessNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        case MILESTONE_NODE:
            nodeInstance = new MilestoneNodeInstance();
            if (_content.getMilestone().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getMilestone().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((MilestoneNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        case TIMER_NODE:
            nodeInstance = new TimerNodeInstance();
            ((TimerNodeInstance) nodeInstance).internalSetTimerId(_content.getTimer().getTimerId());
            break;
        case ASYNC_EVENT_NODE:
            nodeInstance = new AsyncEventNodeInstance();
            ((AsyncEventNodeInstance) nodeInstance).setEventType(_content.getAsyncEvent().getEventType());
            break;
        case EVENT_NODE:
            nodeInstance = new EventNodeInstance();
            break;
        case JOIN_NODE:
            nodeInstance = new JoinInstance();
            if (_content.getJoin().getTriggerCount() > 0) {
                Map<Long, Integer> triggers = new HashMap<Long, Integer>();
                for (JBPMMessages.ProcessInstance.NodeInstanceContent.JoinNode.JoinTrigger _join : _content.getJoin().getTriggerList()) {
                    triggers.put(_join.getNodeId(), _join.getCounter());
                }
                ((JoinInstance) nodeInstance).internalSetTriggers(triggers);
            }
            break;
        case FOR_EACH_NODE:
            nodeInstance = new ForEachNodeInstance();
            break;
        case COMPOSITE_CONTEXT_NODE:
            nodeInstance = new CompositeContextNodeInstance();
            if (_content.getComposite().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getComposite().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((CompositeContextNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        case DYNAMIC_NODE:
            nodeInstance = new DynamicNodeInstance();
            if (_content.getComposite().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getComposite().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((CompositeContextNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        case STATE_NODE:
            nodeInstance = new StateNodeInstance();
            if (_content.getState().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getState().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((CompositeContextNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        case EVENT_SUBPROCESS_NODE:
            nodeInstance = new EventSubProcessNodeInstance();
            if (_content.getComposite().getTimerInstanceIdCount() > 0) {
                List<Long> timerInstances = new ArrayList<Long>();
                for (Long _timerId : _content.getComposite().getTimerInstanceIdList()) {
                    timerInstances.add(_timerId);
                }
                ((CompositeContextNodeInstance) nodeInstance).internalSetTimerInstances(timerInstances);
            }
            break;
        default:
            throw new IllegalArgumentException("Unknown node type: " + _content.getType());
    }
    return nodeInstance;
}

Example 5 with EventNodeInstance

use of org.jbpm.workflow.instance.node.EventNodeInstance in project jbpm by kiegroup.

the class AbstractProtobufProcessInstanceMarshaller method writeNodeInstanceContent.

protected JBPMMessages.ProcessInstance.NodeInstanceContent writeNodeInstanceContent(JBPMMessages.ProcessInstance.NodeInstance.Builder _node, NodeInstance nodeInstance, MarshallerWriteContext context) throws IOException {
    JBPMMessages.ProcessInstance.NodeInstanceContent.Builder _content = null;
    if (nodeInstance instanceof RuleSetNodeInstance) {
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.RULE_SET_NODE);
        List<Long> timerInstances = ((RuleSetNodeInstance) nodeInstance).getTimerInstances();
        JBPMMessages.ProcessInstance.NodeInstanceContent.RuleSetNode.Builder _ruleSet = JBPMMessages.ProcessInstance.NodeInstanceContent.RuleSetNode.newBuilder();
        _ruleSet.setRuleFlowGroup(((RuleSetNodeInstance) nodeInstance).getRuleFlowGroup());
        if (timerInstances != null) {
            for (Long id : timerInstances) {
                _ruleSet.addTimerInstanceId(id);
            }
        }
        Map<String, FactHandle> facts = ((RuleSetNodeInstance) nodeInstance).getFactHandles();
        if (facts != null && facts.size() > 0) {
            for (Map.Entry<String, FactHandle> entry : facts.entrySet()) {
                JBPMMessages.ProcessInstance.NodeInstanceContent.RuleSetNode.TextMapEntry.Builder _textMapEntry = JBPMMessages.ProcessInstance.NodeInstanceContent.RuleSetNode.TextMapEntry.newBuilder();
                _textMapEntry.setName(entry.getKey());
                _textMapEntry.setValue(entry.getValue().toExternalForm());
                _ruleSet.addMapEntry(_textMapEntry.build());
            }
        }
        _content.setRuleSet(_ruleSet.build());
    } else if (nodeInstance instanceof HumanTaskNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.HumanTaskNode.Builder _task = JBPMMessages.ProcessInstance.NodeInstanceContent.HumanTaskNode.newBuilder().setWorkItemId(((HumanTaskNodeInstance) nodeInstance).getWorkItemId());
        List<Long> timerInstances = ((HumanTaskNodeInstance) nodeInstance).getTimerInstances();
        if (timerInstances != null) {
            for (Long id : timerInstances) {
                _task.addTimerInstanceId(id);
            }
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.HUMAN_TASK_NODE).setHumanTask(_task.build());
    } else if (nodeInstance instanceof WorkItemNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.WorkItemNode.Builder _wi = JBPMMessages.ProcessInstance.NodeInstanceContent.WorkItemNode.newBuilder().setWorkItemId(((WorkItemNodeInstance) nodeInstance).getWorkItemId());
        List<Long> timerInstances = ((WorkItemNodeInstance) nodeInstance).getTimerInstances();
        if (timerInstances != null) {
            for (Long id : timerInstances) {
                _wi.addTimerInstanceId(id);
            }
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.WORK_ITEM_NODE).setWorkItem(_wi.build());
    } else if (nodeInstance instanceof SubProcessNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.SubProcessNode.Builder _sp = JBPMMessages.ProcessInstance.NodeInstanceContent.SubProcessNode.newBuilder().setProcessInstanceId(((SubProcessNodeInstance) nodeInstance).getProcessInstanceId());
        List<Long> timerInstances = ((SubProcessNodeInstance) nodeInstance).getTimerInstances();
        if (timerInstances != null) {
            for (Long id : timerInstances) {
                _sp.addTimerInstanceId(id);
            }
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.SUBPROCESS_NODE).setSubProcess(_sp.build());
    } else if (nodeInstance instanceof MilestoneNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.MilestoneNode.Builder _ms = JBPMMessages.ProcessInstance.NodeInstanceContent.MilestoneNode.newBuilder();
        List<Long> timerInstances = ((MilestoneNodeInstance) nodeInstance).getTimerInstances();
        if (timerInstances != null) {
            for (Long id : timerInstances) {
                _ms.addTimerInstanceId(id);
            }
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.MILESTONE_NODE).setMilestone(_ms.build());
    } else if (nodeInstance instanceof AsyncEventNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.AsyncEventNode.Builder _asyncEvent = JBPMMessages.ProcessInstance.NodeInstanceContent.AsyncEventNode.newBuilder();
        _asyncEvent.setEventType(((AsyncEventNodeInstance) nodeInstance).getEventType());
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.ASYNC_EVENT_NODE).setAsyncEvent(_asyncEvent.build());
    } else if (nodeInstance instanceof EventNodeInstance) {
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.EVENT_NODE);
    } else if (nodeInstance instanceof TimerNodeInstance) {
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.TIMER_NODE).setTimer(JBPMMessages.ProcessInstance.NodeInstanceContent.TimerNode.newBuilder().setTimerId(((TimerNodeInstance) nodeInstance).getTimerId()).build());
    } else if (nodeInstance instanceof JoinInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.JoinNode.Builder _join = JBPMMessages.ProcessInstance.NodeInstanceContent.JoinNode.newBuilder();
        Map<Long, Integer> triggers = ((JoinInstance) nodeInstance).getTriggers();
        List<Long> keys = new ArrayList<Long>(triggers.keySet());
        Collections.sort(keys, new Comparator<Long>() {

            public int compare(Long o1, Long o2) {
                return o1.compareTo(o2);
            }
        });
        for (Long key : keys) {
            _join.addTrigger(JBPMMessages.ProcessInstance.NodeInstanceContent.JoinNode.JoinTrigger.newBuilder().setNodeId(key).setCounter(triggers.get(key)).build());
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.JOIN_NODE).setJoin(_join.build());
    } else if (nodeInstance instanceof StateNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.StateNode.Builder _state = JBPMMessages.ProcessInstance.NodeInstanceContent.StateNode.newBuilder();
        List<Long> timerInstances = ((StateNodeInstance) nodeInstance).getTimerInstances();
        if (timerInstances != null) {
            for (Long id : timerInstances) {
                _state.addTimerInstanceId(id);
            }
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.STATE_NODE).setState(_state.build());
    } else if (nodeInstance instanceof ForEachNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.ForEachNode.Builder _foreach = JBPMMessages.ProcessInstance.NodeInstanceContent.ForEachNode.newBuilder();
        ForEachNodeInstance forEachNodeInstance = (ForEachNodeInstance) nodeInstance;
        List<NodeInstance> nodeInstances = new ArrayList<NodeInstance>(forEachNodeInstance.getNodeInstances());
        Collections.sort(nodeInstances, new Comparator<NodeInstance>() {

            public int compare(NodeInstance o1, NodeInstance o2) {
                return (int) (o1.getId() - o2.getId());
            }
        });
        for (NodeInstance subNodeInstance : nodeInstances) {
            if (subNodeInstance instanceof CompositeContextNodeInstance) {
                _foreach.addNodeInstance(writeNodeInstance(context, subNodeInstance));
            }
        }
        VariableScopeInstance variableScopeInstance = (VariableScopeInstance) forEachNodeInstance.getContextInstance(VariableScope.VARIABLE_SCOPE);
        if (variableScopeInstance != null) {
            List<Map.Entry<String, Object>> variables = new ArrayList<Map.Entry<String, Object>>(variableScopeInstance.getVariables().entrySet());
            Collections.sort(variables, new Comparator<Map.Entry<String, Object>>() {

                public int compare(Map.Entry<String, Object> o1, Map.Entry<String, Object> o2) {
                    return o1.getKey().compareTo(o2.getKey());
                }
            });
            for (Map.Entry<String, Object> variable : variables) {
                _foreach.addVariable(ProtobufProcessMarshaller.marshallVariable(context, variable.getKey(), variable.getValue()));
            }
        }
        List<Map.Entry<String, Integer>> iterationlevels = new ArrayList<Map.Entry<String, Integer>>(forEachNodeInstance.getIterationLevels().entrySet());
        Collections.sort(iterationlevels, new Comparator<Map.Entry<String, Integer>>() {

            public int compare(Map.Entry<String, Integer> o1, Map.Entry<String, Integer> o2) {
                return o1.getKey().compareTo(o2.getKey());
            }
        });
        for (Map.Entry<String, Integer> level : iterationlevels) {
            if (level.getKey() != null && level.getValue() != null) {
                _foreach.addIterationLevels(JBPMMessages.IterationLevel.newBuilder().setId(level.getKey()).setLevel(level.getValue()));
            }
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(NodeInstanceType.FOR_EACH_NODE).setForEach(_foreach.build());
    } else if (nodeInstance instanceof CompositeContextNodeInstance) {
        JBPMMessages.ProcessInstance.NodeInstanceContent.CompositeContextNode.Builder _composite = JBPMMessages.ProcessInstance.NodeInstanceContent.CompositeContextNode.newBuilder();
        JBPMMessages.ProcessInstance.NodeInstanceType _type = null;
        if (nodeInstance instanceof DynamicNodeInstance) {
            _type = JBPMMessages.ProcessInstance.NodeInstanceType.DYNAMIC_NODE;
        } else if (nodeInstance instanceof EventSubProcessNodeInstance) {
            _type = JBPMMessages.ProcessInstance.NodeInstanceType.EVENT_SUBPROCESS_NODE;
        } else {
            _type = JBPMMessages.ProcessInstance.NodeInstanceType.COMPOSITE_CONTEXT_NODE;
        }
        CompositeContextNodeInstance compositeNodeInstance = (CompositeContextNodeInstance) nodeInstance;
        List<Long> timerInstances = ((CompositeContextNodeInstance) nodeInstance).getTimerInstances();
        if (timerInstances != null) {
            for (Long id : timerInstances) {
                _composite.addTimerInstanceId(id);
            }
        }
        VariableScopeInstance variableScopeInstance = (VariableScopeInstance) compositeNodeInstance.getContextInstance(VariableScope.VARIABLE_SCOPE);
        if (variableScopeInstance != null) {
            List<Map.Entry<String, Object>> variables = new ArrayList<Map.Entry<String, Object>>(variableScopeInstance.getVariables().entrySet());
            Collections.sort(variables, new Comparator<Map.Entry<String, Object>>() {

                public int compare(Map.Entry<String, Object> o1, Map.Entry<String, Object> o2) {
                    return o1.getKey().compareTo(o2.getKey());
                }
            });
            for (Map.Entry<String, Object> variable : variables) {
                _composite.addVariable(ProtobufProcessMarshaller.marshallVariable(context, variable.getKey(), variable.getValue()));
            }
        }
        List<Map.Entry<String, Integer>> iterationlevels = new ArrayList<Map.Entry<String, Integer>>(compositeNodeInstance.getIterationLevels().entrySet());
        Collections.sort(iterationlevels, new Comparator<Map.Entry<String, Integer>>() {

            public int compare(Map.Entry<String, Integer> o1, Map.Entry<String, Integer> o2) {
                return o1.getKey().compareTo(o2.getKey());
            }
        });
        for (Map.Entry<String, Integer> level : iterationlevels) {
            if (level.getKey() != null && level.getValue() != null) {
                _composite.addIterationLevels(JBPMMessages.IterationLevel.newBuilder().setId(level.getKey()).setLevel(level.getValue()));
            }
        }
        List<NodeInstance> nodeInstances = new ArrayList<NodeInstance>(compositeNodeInstance.getNodeInstances());
        Collections.sort(nodeInstances, new Comparator<NodeInstance>() {

            public int compare(NodeInstance o1, NodeInstance o2) {
                return (int) (o1.getId() - o2.getId());
            }
        });
        for (NodeInstance subNodeInstance : nodeInstances) {
            _composite.addNodeInstance(writeNodeInstance(context, subNodeInstance));
        }
        List<ContextInstance> exclusiveGroupInstances = compositeNodeInstance.getContextInstances(ExclusiveGroup.EXCLUSIVE_GROUP);
        if (exclusiveGroupInstances != null) {
            for (ContextInstance contextInstance : exclusiveGroupInstances) {
                JBPMMessages.ProcessInstance.ExclusiveGroupInstance.Builder _excl = JBPMMessages.ProcessInstance.ExclusiveGroupInstance.newBuilder();
                ExclusiveGroupInstance exclusiveGroupInstance = (ExclusiveGroupInstance) contextInstance;
                Collection<NodeInstance> groupNodeInstances = exclusiveGroupInstance.getNodeInstances();
                for (NodeInstance groupNodeInstance : groupNodeInstances) {
                    _excl.addGroupNodeInstanceId(groupNodeInstance.getId());
                }
                _composite.addExclusiveGroup(_excl.build());
            }
        }
        _content = JBPMMessages.ProcessInstance.NodeInstanceContent.newBuilder().setType(_type).setComposite(_composite.build());
    } else {
        throw new IllegalArgumentException("Unknown node instance type: " + nodeInstance);
    }
    return _content.build();
}