Examples with FlowElement org.activiti.bpmn.model.FlowElement used on opensource projects

Example 6 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class WorkflowDefinitionConversionTest method testTaskListenerForOutgoingProperties.

@Test
public void testTaskListenerForOutgoingProperties() throws Exception {
    WorkflowDefinition definition = new WorkflowDefinition();
    definition.setId("process");
    HumanStepDefinition humanStep = new HumanStepDefinition();
    humanStep.setId("step1");
    FormDefinition form = new FormDefinition();
    humanStep.setForm(form);
    TextPropertyDefinition text = new TextPropertyDefinition();
    text.setName("my text");
    text.getParameters().put(AlfrescoConversionConstants.PARAMETER_ADD_PROPERTY_TO_OUTPUT, true);
    FormPropertyGroup group = new FormPropertyGroup();
    group.setId("group");
    form.getFormGroups().add(group);
    group.getFormPropertyDefinitions().add(text);
    definition.addStep(humanStep);
    WorkflowDefinitionConversion conversion = conversionFactory.createWorkflowDefinitionConversion(definition);
    conversion.convert();
    Process process = conversion.getProcess();
    assertNotNull(process);
    boolean listenerFound = false;
    for (FlowElement flowElement : process.getFlowElements()) {
        if (flowElement instanceof UserTask) {
            UserTask task = (UserTask) flowElement;
            assertNotNull(task.getTaskListeners());
            assertEquals(2L, task.getTaskListeners().size());
            assertEquals("create", task.getTaskListeners().get(0).getEvent());
            assertEquals("complete", task.getTaskListeners().get(1).getEvent());
            listenerFound = true;
        }
    }
    assertTrue(listenerFound);
}

Example 7 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class WorkflowDefinitionConversionTest method testTaskListenerForIncomingProperties.

@Test
public void testTaskListenerForIncomingProperties() throws Exception {
    WorkflowDefinition definition = new WorkflowDefinition();
    definition.setId("process");
    HumanStepDefinition humanStep = new HumanStepDefinition();
    humanStep.setId("step1");
    FormDefinition form = new FormDefinition();
    form.setFormKey("myform");
    humanStep.setForm(form);
    definition.addStep(humanStep);
    WorkflowDefinitionConversion conversion = conversionFactory.createWorkflowDefinitionConversion(definition);
    conversion.convert();
    Process process = conversion.getProcess();
    assertNotNull(process);
    boolean listenerFound = false;
    for (FlowElement flowElement : process.getFlowElements()) {
        if (flowElement instanceof UserTask) {
            UserTask task = (UserTask) flowElement;
            assertNotNull(task.getTaskListeners());
            assertEquals(1L, task.getTaskListeners().size());
            assertEquals("create", task.getTaskListeners().get(0).getEvent());
            listenerFound = true;
        }
    }
    assertTrue(listenerFound);
}

Example 8 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class ChoiceStepsDefinitionConverter method createProcessArtifact.

protected ExclusiveGateway createProcessArtifact(ChoiceStepsDefinition choiceStepsDefinition, WorkflowDefinitionConversion conversion) {
    // First choice gateway
    ExclusiveGateway forkGateway = createExclusiveGateway(conversion);
    // Sequence flow from last activity to first gateway
    addSequenceFlow(conversion, conversion.getLastActivityId(), forkGateway.getId());
    conversion.setLastActivityId(forkGateway.getId());
    // Convert all other steps, disabling activity id updates which makes all 
    // generated steps have a sequence flow to the first gateway
    WorkflowDefinitionConversionFactory conversionFactory = conversion.getConversionFactory();
    List<FlowElement> endElements = new ArrayList<FlowElement>();
    List<SequenceFlow> bypassingFlows = new ArrayList<SequenceFlow>();
    for (ListConditionStepDefinition<ChoiceStepsDefinition> stepListDefinition : choiceStepsDefinition.getStepList()) {
        StringBuilder conditionBuilder = new StringBuilder();
        for (ConditionDefinition conditionDefintion : stepListDefinition.getConditions()) {
            if (conditionBuilder.length() > 0) {
                conditionBuilder.append(" && ");
            } else {
                conditionBuilder.append("${");
            }
            conditionBuilder.append(conditionDefintion.getLeftOperand());
            conditionBuilder.append(" ");
            conditionBuilder.append(conditionDefintion.getOperator());
            conditionBuilder.append(" ");
            conditionBuilder.append(conditionDefintion.getRightOperand());
        }
        for (int i = 0; i < stepListDefinition.getSteps().size(); i++) {
            if (i == 0) {
                conversion.setSequenceflowGenerationEnabled(false);
            } else {
                conversion.setSequenceflowGenerationEnabled(true);
            }
            StepDefinition step = stepListDefinition.getSteps().get(i);
            FlowElement flowElement = (FlowElement) conversionFactory.getStepConverterFor(step).convertStepDefinition(step, conversion);
            if (i == 0) {
                if (conditionBuilder.length() > 0) {
                    conditionBuilder.append("}");
                    SequenceFlow mainFlow = addSequenceFlow(conversion, forkGateway.getId(), flowElement.getId(), conditionBuilder.toString());
                    if (stepListDefinition.getName() != null) {
                        mainFlow.setName(stepListDefinition.getName());
                    }
                } else {
                    addSequenceFlow(conversion, forkGateway.getId(), flowElement.getId());
                }
            }
            if ((i + 1) == stepListDefinition.getSteps().size()) {
                endElements.add(flowElement);
            }
        }
        if (stepListDefinition.getSteps().isEmpty()) {
            // Special case for a "stepless" stepListDefinition, which should just create a sequence-flow from the fork to the join
            SequenceFlow created = null;
            if (conditionBuilder.length() > 0) {
                conditionBuilder.append("}");
                created = addSequenceFlow(conversion, forkGateway.getId(), null, conditionBuilder.toString());
            } else {
                created = addSequenceFlow(conversion, forkGateway.getId(), null);
            }
            if (stepListDefinition.getName() != null) {
                created.setName(stepListDefinition.getName());
            }
            bypassingFlows.add(created);
        }
    }
    conversion.setSequenceflowGenerationEnabled(false);
    // Second choice gateway
    ExclusiveGateway joinGateway = createExclusiveGateway(conversion);
    conversion.setLastActivityId(joinGateway.getId());
    conversion.setSequenceflowGenerationEnabled(true);
    // Create sequenceflow from all generated steps to the second gateway
    for (FlowElement endElement : endElements) {
        if (!(endElement instanceof EndEvent)) {
            addSequenceFlow(conversion, endElement.getId(), joinGateway.getId());
        }
    }
    for (SequenceFlow bypassingFlow : bypassingFlows) {
        bypassingFlow.setTargetRef(joinGateway.getId());
    }
    return forkGateway;
}

Example 9 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class BpmnXMLConverter method convertToXML.

public byte[] convertToXML(BpmnModel model, String encoding) {
    try {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        XMLOutputFactory xof = XMLOutputFactory.newInstance();
        OutputStreamWriter out = new OutputStreamWriter(outputStream, encoding);
        XMLStreamWriter writer = xof.createXMLStreamWriter(out);
        XMLStreamWriter xtw = new IndentingXMLStreamWriter(writer);
        DefinitionsRootExport.writeRootElement(model, xtw, encoding);
        CollaborationExport.writePools(model, xtw);
        DataStoreExport.writeDataStores(model, xtw);
        SignalAndMessageDefinitionExport.writeSignalsAndMessages(model, xtw);
        for (Process process : model.getProcesses()) {
            if (process.getFlowElements().isEmpty() && process.getLanes().isEmpty()) {
                // empty process, ignore it 
                continue;
            }
            ProcessExport.writeProcess(process, xtw);
            for (FlowElement flowElement : process.getFlowElements()) {
                createXML(flowElement, model, xtw);
            }
            for (Artifact artifact : process.getArtifacts()) {
                createXML(artifact, model, xtw);
            }
            // end process element
            xtw.writeEndElement();
        }
        BPMNDIExport.writeBPMNDI(model, xtw);
        // end definitions root element
        xtw.writeEndElement();
        xtw.writeEndDocument();
        xtw.flush();
        outputStream.close();
        xtw.close();
        return outputStream.toByteArray();
    } catch (Exception e) {
        LOGGER.error("Error writing BPMN XML", e);
        throw new XMLException("Error writing BPMN XML", e);
    }
}

Example 10 with FlowElement

use of org.activiti.bpmn.model.FlowElement in project Activiti by Activiti.

the class BoundaryEventValidator method executeValidation.

@Override
protected void executeValidation(BpmnModel bpmnModel, Process process, List<ValidationError> errors) {
    List<BoundaryEvent> boundaryEvents = process.findFlowElementsOfType(BoundaryEvent.class);
    // Only one boundary event of type 'cancel' can be attached to the same element, so we store the count temporarily here
    HashMap<String, Integer> cancelBoundaryEventsCounts = new HashMap<String, Integer>();
    // Only one boundary event of type 'compensate' can be attached to the same element, so we store the count temporarily here
    HashMap<String, Integer> compensateBoundaryEventsCounts = new HashMap<String, Integer>();
    for (int i = 0; i < boundaryEvents.size(); i++) {
        BoundaryEvent boundaryEvent = boundaryEvents.get(i);
        if (boundaryEvent.getEventDefinitions() != null && !boundaryEvent.getEventDefinitions().isEmpty()) {
            EventDefinition eventDefinition = boundaryEvent.getEventDefinitions().get(0);
            if (!(eventDefinition instanceof TimerEventDefinition) && !(eventDefinition instanceof ErrorEventDefinition) && !(eventDefinition instanceof SignalEventDefinition) && !(eventDefinition instanceof CancelEventDefinition) && !(eventDefinition instanceof MessageEventDefinition) && !(eventDefinition instanceof CompensateEventDefinition)) {
                addError(errors, Problems.BOUNDARY_EVENT_INVALID_EVENT_DEFINITION, process, boundaryEvent, "Invalid or unsupported event definition");
            }
            if (eventDefinition instanceof CancelEventDefinition) {
                FlowElement attachedToFlowElement = bpmnModel.getFlowElement(boundaryEvent.getAttachedToRefId());
                if (!(attachedToFlowElement instanceof Transaction)) {
                    addError(errors, Problems.BOUNDARY_EVENT_CANCEL_ONLY_ON_TRANSACTION, process, boundaryEvent, "boundary event with cancelEventDefinition only supported on transaction subprocesses");
                } else {
                    if (!cancelBoundaryEventsCounts.containsKey(attachedToFlowElement.getId())) {
                        cancelBoundaryEventsCounts.put(attachedToFlowElement.getId(), new Integer(0));
                    }
                    cancelBoundaryEventsCounts.put(attachedToFlowElement.getId(), new Integer(cancelBoundaryEventsCounts.get(attachedToFlowElement.getId()) + 1));
                }
            } else if (eventDefinition instanceof CompensateEventDefinition) {
                if (!compensateBoundaryEventsCounts.containsKey(boundaryEvent.getAttachedToRefId())) {
                    compensateBoundaryEventsCounts.put(boundaryEvent.getAttachedToRefId(), new Integer(0));
                }
                compensateBoundaryEventsCounts.put(boundaryEvent.getAttachedToRefId(), compensateBoundaryEventsCounts.get(boundaryEvent.getAttachedToRefId()) + 1);
            } else if (eventDefinition instanceof MessageEventDefinition) {
                // Check if other message boundary events with same message id
                for (int j = 0; j < boundaryEvents.size(); j++) {
                    if (j != i) {
                        BoundaryEvent otherBoundaryEvent = boundaryEvents.get(j);
                        if (otherBoundaryEvent.getAttachedToRefId() != null && otherBoundaryEvent.getAttachedToRefId().equals(boundaryEvent.getAttachedToRefId())) {
                            if (otherBoundaryEvent.getEventDefinitions() != null && !otherBoundaryEvent.getEventDefinitions().isEmpty()) {
                                EventDefinition otherEventDefinition = otherBoundaryEvent.getEventDefinitions().get(0);
                                if (otherEventDefinition instanceof MessageEventDefinition) {
                                    MessageEventDefinition currentMessageEventDefinition = (MessageEventDefinition) eventDefinition;
                                    MessageEventDefinition otherMessageEventDefinition = (MessageEventDefinition) otherEventDefinition;
                                    if (otherMessageEventDefinition.getMessageRef() != null && otherMessageEventDefinition.getMessageRef().equals(currentMessageEventDefinition.getMessageRef())) {
                                        addError(errors, Problems.MESSAGE_EVENT_MULTIPLE_ON_BOUNDARY_SAME_MESSAGE_ID, process, boundaryEvent, "Multiple message events with same message id not supported");
                                    }
                                }
                            }
                        }
                    }
                }
            }
        } else {
            addError(errors, Problems.BOUNDARY_EVENT_NO_EVENT_DEFINITION, process, boundaryEvent, "Event definition is missing from boundary event");
        }
    }
    for (String elementId : cancelBoundaryEventsCounts.keySet()) {
        if (cancelBoundaryEventsCounts.get(elementId) > 1) {
            addError(errors, Problems.BOUNDARY_EVENT_MULTIPLE_CANCEL_ON_TRANSACTION, process, bpmnModel.getFlowElement(elementId), "multiple boundary events with cancelEventDefinition not supported on same transaction subprocess.");
        }
    }
    for (String elementId : compensateBoundaryEventsCounts.keySet()) {
        if (compensateBoundaryEventsCounts.get(elementId) > 1) {
            addError(errors, Problems.COMPENSATE_EVENT_MULTIPLE_ON_BOUNDARY, process, bpmnModel.getFlowElement(elementId), "Multiple boundary events of type 'compensate' is invalid");
        }
    }
}