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

Example 61 with FlowElement

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

the class AlfrescoReviewStepConverter method createProcessArtifact.

@Override
protected FlowElement createProcessArtifact(AlfrescoReviewStepDefinition stepDefinition, WorkflowDefinitionConversion conversion) {
    FlowElement lastElement;
    M2Model model = AlfrescoConversionUtil.getContentModel(conversion);
    String namespacePrefix = model.getNamespaces().get(0).getPrefix();
    String id = stepDefinition.getId();
    if (id == null) {
        id = AlfrescoConversionUtil.getValidIdString(stepDefinition.getName());
    }
    // Break down the review into separate steps and convert those instead
    HumanStepDefinition reviewTask = new HumanStepDefinition();
    reviewTask.setName(stepDefinition.getName());
    reviewTask.setDescription("Review task");
    // Clone the review-form and add custom transitions property
    FormDefinition finalForm = null;
    if (stepDefinition.getForm() != null) {
        finalForm = stepDefinition.getForm().clone();
    } else {
        finalForm = new FormDefinition();
    }
    finalForm.addFormProperty(createTransitionsProperty());
    reviewTask.setForm(finalForm);
    // Assignment
    if (stepDefinition.getAssignmentType() == HumanStepAssignmentType.USER) {
        reviewTask.setAssignee(new PropertyReference(stepDefinition.getAssignmentPropertyName()).getPlaceholder());
    }
    // Add a script-task that initializes the correct variables for the review
    ScriptServiceTaskBuilder builder = new ScriptServiceTaskBuilder();
    builder.setExecutionVariable(getCountVariableName(id, namespacePrefix), "0");
    String requiredCount = null;
    if (stepDefinition.getRequiredApprovalCount() != null) {
        if (PropertyReference.isPropertyReference(stepDefinition.getRequiredApprovalCount())) {
            PropertyReference reference = PropertyReference.createReference(stepDefinition.getRequiredApprovalCount());
            requiredCount = reference.getVariableReference(namespacePrefix);
            AlfrescoConversionUtil.getPropertyReferences(conversion).add(reference);
        } else {
            // No reference, use explicit value
            requiredCount = stepDefinition.getRequiredApprovalCount();
        }
    } else {
        requiredCount = "1";
    }
    builder.setExecutionVariable(getRequiredCountVariableName(id, namespacePrefix), requiredCount);
    ServiceTask serviceTask = builder.build();
    serviceTask.setName("Review initialization");
    serviceTask.setId(conversion.getUniqueNumberedId(ConversionConstants.SERVICE_TASK_ID_PREFIX));
    addFlowElement(conversion, serviceTask, true);
    // Create the actual element
    UserTask userTask = (UserTask) conversion.getConversionFactory().getStepConverterFor(reviewTask).convertStepDefinition(reviewTask, conversion);
    lastElement = userTask;
    M2Type userTaskType = model.getType(userTask.getFormKey());
    // Update parent, since we use an "outcome" for this task
    userTaskType.setParentName(AlfrescoConversionConstants.OUTCOME_BASE_FORM_TYPE);
    // Add script to the complete-task listener to update approval count (if needed)
    ScriptTaskListenerBuilder listenerBuilder = AlfrescoConversionUtil.getScriptTaskListenerBuilder(conversion, userTask.getId(), AlfrescoConversionConstants.TASK_LISTENER_EVENT_COMPLETE);
    String approverCount = getCountVariableName(id, namespacePrefix);
    listenerBuilder.addLine("if(task.getVariableLocal('" + getTransitionProperty(userTaskType, namespacePrefix) + "') == '" + AlfrescoConversionConstants.TRANSITION_APPROVE + "') {");
    listenerBuilder.addLine("execution.setVariable('" + approverCount + "', " + approverCount + " + 1);");
    listenerBuilder.addLine("}");
    if (stepDefinition.getAssignmentType() == HumanStepAssignmentType.USERS) {
        String assignmentVariableName = id + "Assignee";
        // Add the assignee-property to the content-model
        M2ClassAssociation reviewAssignee = new M2ClassAssociation();
        M2AssociationTarget target = new M2AssociationTarget();
        target.setClassName(AlfrescoConversionConstants.CONTENT_TYPE_PEOPLE);
        target.setMandatory(true);
        target.setMany(false);
        M2AssociationSource source = new M2AssociationSource();
        source.setMany(false);
        source.setMandatory(true);
        reviewAssignee.setName(AlfrescoConversionUtil.getQualifiedName(namespacePrefix, assignmentVariableName));
        reviewAssignee.setTarget(target);
        reviewAssignee.setSource(source);
        userTaskType.getAssociations().add(reviewAssignee);
        userTask.setAssignee(new PropertyReference(assignmentVariableName).getUsernameReferenceExpression(namespacePrefix));
        // Finally, add the multi-instance characteristics to the userTask
        MultiInstanceLoopCharacteristics mi = new MultiInstanceLoopCharacteristics();
        mi.setCompletionCondition(getCompletionCondition(id, namespacePrefix));
        mi.setElementVariable(new PropertyReference(assignmentVariableName).getVariableReference(namespacePrefix));
        PropertyReference reference = null;
        if (PropertyReference.isPropertyReference(stepDefinition.getAssignmentPropertyName())) {
            reference = PropertyReference.createReference(stepDefinition.getAssignmentPropertyName());
        } else {
            reference = new PropertyReference(stepDefinition.getAssignmentPropertyName());
        }
        mi.setInputDataItem(reference.getVariableReference(namespacePrefix));
        AlfrescoConversionUtil.getPropertyReferences(conversion).add(reference);
        mi.setSequential(false);
        userTask.setLoopCharacteristics(mi);
    }
    if (stepDefinition.getRejectionSteps() != null) {
        // Create choice-step
        ChoiceStepsDefinition choice = new ChoiceStepsDefinition();
        choice.setId(id + "choice");
        // Add rejection steps to the choice
        ListConditionStepDefinition<ChoiceStepsDefinition> rejectStepList = new ListConditionStepDefinition<ChoiceStepsDefinition>();
        rejectStepList.setName("Rejected");
        for (StepDefinition child : stepDefinition.getRejectionSteps()) {
            rejectStepList.addStep(child);
        }
        // Add end-process step to reject path, if needed
        if (stepDefinition.isEndProcessOnReject()) {
            rejectStepList.addStep(new AlfrescoEndProcessStepDefinition());
        }
        // Make choice condition based on review outcome
        ConditionDefinition condition = new ConditionDefinition();
        condition.setLeftOperand(getCountVariableName(id, namespacePrefix));
        condition.setOperator("<");
        condition.setRightOperand(getRequiredCountVariableName(id, namespacePrefix));
        rejectStepList.setConditions(Arrays.asList(condition));
        choice.addStepList(rejectStepList);
        // Add default (empty) choice for approval AFTER the review-one
        ListConditionStepDefinition<ChoiceStepsDefinition> defaultStepList = new ListConditionStepDefinition<ChoiceStepsDefinition>();
        defaultStepList.setName("Approved");
        choice.addStepList(defaultStepList);
        // Convert the choice-step
        lastElement = (FlowElement) conversion.getConversionFactory().getStepConverterFor(choice).convertStepDefinition(choice, conversion);
    }
    return lastElement;
}

Example 62 with FlowElement

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

the class InitializeAlfrescoModelsConversionListener method afterStepsConversion.

@Override
public void afterStepsConversion(WorkflowDefinitionConversion conversion) {
    M2Model model = AlfrescoConversionUtil.getContentModel(conversion);
    M2Namespace modelNamespace = model.getNamespaces().get(0);
    for (FlowElement flowElement : conversion.getProcess().getFlowElements()) {
        if (flowElement instanceof StartEvent) {
            StartEvent startEvent = (StartEvent) flowElement;
            if (startEvent.getFormKey() == null) {
                Module module = AlfrescoConversionUtil.getExtension(conversion).getModules().get(0);
                Configuration detailsForm = module.addConfiguration(EVALUATOR_STRING_COMPARE, MessageFormat.format(EVALUATOR_CONDITION_ACTIVITI, conversion.getProcess().getId()));
                // is available
                if (conversion.getWorkflowDefinition().getStartFormDefinition() != null && !conversion.getWorkflowDefinition().getStartFormDefinition().getFormGroups().isEmpty()) {
                    // Create the content model for the start-task
                    M2Type type = new M2Type();
                    model.getTypes().add(type);
                    type.setName(AlfrescoConversionUtil.getQualifiedName(modelNamespace.getPrefix(), AlfrescoConversionConstants.START_TASK_SIMPLE_NAME));
                    type.setParentName(AlfrescoConversionConstants.DEFAULT_START_FORM_TYPE);
                    // Create a form-config for the start-task
                    Module shareModule = AlfrescoConversionUtil.getExtension(conversion).getModules().get(0);
                    Configuration configuration = shareModule.addConfiguration(AlfrescoConversionConstants.EVALUATOR_TASK_TYPE, type.getName());
                    Form formConfig = configuration.createForm();
                    formConfig.setStartForm(true);
                    // Populate model and form based on FormDefinition
                    formCreator.createForm(type, formConfig, conversion.getWorkflowDefinition().getStartFormDefinition(), conversion);
                    // Use the same form-config for the workflow details
                    detailsForm.addForm(formConfig);
                    // Set formKey on start-event, referencing type
                    startEvent.setFormKey(type.getName());
                } else {
                    // Revert to the default start-form
                    startEvent.setFormKey(DEFAULT_START_FORM_TYPE);
                    // Also add form-config to the share-module for workflow detail screen, based on the default form
                    populateDefaultDetailFormConfig(detailsForm);
                }
            }
        }
    }
    // Check all elements that can contain PropertyReferences or need additional builders invoked
    List<PropertyReference> references = AlfrescoConversionUtil.getPropertyReferences(conversion);
    for (FlowElement element : conversion.getProcess().getFlowElements()) {
        if (element instanceof SequenceFlow) {
            resolvePropertyRefrencesInSequenceFlow((SequenceFlow) element, modelNamespace, references);
        } else if (element instanceof IntermediateCatchEvent) {
            resolvePropertyRefrencesInCatchEvent((IntermediateCatchEvent) element, modelNamespace, references);
        } else if (element instanceof ServiceTask) {
            resolvePropertyRefrencesInServiceTask((ServiceTask) element, modelNamespace, references);
        } else if (element instanceof UserTask) {
            addScriptListenersToUserTask((UserTask) element, conversion);
        }
    }
    // Check if all property-references reference a valid property
    if (references != null && !references.isEmpty()) {
        for (PropertyReference reference : references) {
            reference.validate(model);
        }
    }
}

Example 63 with FlowElement

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

the class ParallelStepsDefinitionConverter method createProcessArtifact.

protected ParallelGateway createProcessArtifact(ParallelStepsDefinition parallelStepsDefinition, WorkflowDefinitionConversion conversion) {
    // First parallel gateway
    ParallelGateway forkGateway = createParallelGateway(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>();
    for (ListStepDefinition<ParallelStepsDefinition> stepListDefinition : parallelStepsDefinition.getStepList()) {
        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) {
                addSequenceFlow(conversion, forkGateway.getId(), flowElement.getId());
            }
            if ((i + 1) == stepListDefinition.getSteps().size()) {
                endElements.add(flowElement);
            }
        }
    }
    conversion.setSequenceflowGenerationEnabled(false);
    // Second parallel gateway
    ParallelGateway joinGateway = createParallelGateway(conversion);
    conversion.setLastActivityId(joinGateway.getId());
    conversion.setSequenceflowGenerationEnabled(true);
    // Create sequence flow from all generated steps to the second gateway
    for (FlowElement endElement : endElements) {
        addSequenceFlow(conversion, endElement.getId(), joinGateway.getId());
    }
    return forkGateway;
}

Example 64 with FlowElement

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

the class WorkflowDefinitionConversionTest method testEmptyWorkflowDefinitionConversion.

/**
	 * Check if all required artifacts are created when converting an empty workflow-definition.
	 */
@Test
public void testEmptyWorkflowDefinitionConversion() {
    WorkflowDefinition definition = new WorkflowDefinition();
    definition.setDescription("This is the description");
    definition.setId("workflowdefinition");
    definition.setName("My workflow definition");
    WorkflowDefinitionConversion conversion = conversionFactory.createWorkflowDefinitionConversion(definition);
    conversion.convert();
    BpmnModel bpmnModel = conversion.getBpmnModel();
    assertNotNull(bpmnModel);
    Process process = bpmnModel.getMainProcess();
    assertNotNull(process);
    assertEquals("This is the description", process.getDocumentation());
    assertEquals("My workflow definition", process.getName());
    assertEquals("workflowdefinition", process.getId());
    // Default start-task key should be used, as no custom startform-config is present
    boolean startTaskFound = false;
    for (FlowElement element : process.getFlowElements()) {
        if (element instanceof StartEvent) {
            assertEquals("bpm:startTask", ((StartEvent) element).getFormKey());
            startTaskFound = true;
        }
    }
    assertTrue(startTaskFound);
    // Check presence of content-model
    M2Model contentModel = AlfrescoConversionUtil.getContentModel(conversion);
    assertNotNull(contentModel);
    // Check presence of form-config and default workflow-details
    Module module = AlfrescoConversionUtil.getExtension(conversion).getModules().get(0);
    assertNotNull(module);
    assertEquals(1L, module.getConfigurations().size());
    Configuration config = module.getConfigurations().get(0);
    assertEquals(1L, config.getForms().size());
    assertEquals("activiti$workflowdefinition", config.getCondition());
    assertEquals(AlfrescoConversionConstants.EVALUATOR_STRING_COMPARE, config.getEvaluator());
}

Example 65 with FlowElement

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

the class WorkflowDefinitionConversionTest method testConvertEmailStep.

@Test
public void testConvertEmailStep() throws Exception {
    WorkflowDefinition definition = new WorkflowDefinition();
    AlfrescoEmailStepDefinition emailStep = new AlfrescoEmailStepDefinition();
    emailStep.setTo("fred");
    emailStep.setSubject("jos");
    definition.addStep(emailStep);
    WorkflowDefinitionConversion conversion = conversionFactory.createWorkflowDefinitionConversion(definition);
    conversion.convert();
    // Process should contain a single service-task
    ServiceTask task = null;
    for (FlowElement element : conversion.getProcess().getFlowElements()) {
        if (element instanceof ServiceTask) {
            if (task != null) {
                Assert.fail("More than one service-task found");
            }
            task = (ServiceTask) element;
        }
    }
    assertNotNull(task);
    assertEquals(AlfrescoConversionConstants.CLASSNAME_SCRIPT_DELEGATE, task.getImplementation());
}