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

Example 36 with SequenceFlow

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

the class DefaultWorkflowDefinitionConversionListener method generateSequenceflowMappings.

protected SequenceFlowMapping generateSequenceflowMappings(Process process) {
    HashMap<String, List<SequenceFlow>> incomingSequenceFlowMapping = new HashMap<String, List<SequenceFlow>>();
    HashMap<String, List<SequenceFlow>> outgoingSequenceFlowMapping = new HashMap<String, List<SequenceFlow>>();
    for (FlowElement flowElement : process.findFlowElementsOfType(SequenceFlow.class)) {
        SequenceFlow sequenceFlow = (SequenceFlow) flowElement;
        String srcId = sequenceFlow.getSourceRef();
        String targetId = sequenceFlow.getTargetRef();
        if (outgoingSequenceFlowMapping.get(srcId) == null) {
            outgoingSequenceFlowMapping.put(srcId, new ArrayList<SequenceFlow>());
        }
        outgoingSequenceFlowMapping.get(srcId).add(sequenceFlow);
        if (incomingSequenceFlowMapping.get(targetId) == null) {
            incomingSequenceFlowMapping.put(targetId, new ArrayList<SequenceFlow>());
        }
        incomingSequenceFlowMapping.get(targetId).add(sequenceFlow);
    }
    SequenceFlowMapping mapping = new SequenceFlowMapping();
    mapping.setIncomingSequenceFlowMapping(incomingSequenceFlowMapping);
    mapping.setOutgoingSequenceFlowMapping(outgoingSequenceFlowMapping);
    return mapping;
}

Example 37 with SequenceFlow

use of org.activiti.bpmn.model.SequenceFlow in project herd by FINRAOS.

the class JobDefinitionRestControllerTest method getActivitiJobXml.

private String getActivitiJobXml(String namespace, String jobName) {
    BpmnModel bpmnModel = new BpmnModel();
    Process process = new Process();
    process.setId(namespace + '.' + jobName);
    {
        StartEvent element = new StartEvent();
        element.setId("start");
        process.addFlowElement(element);
    }
    {
        EndEvent element = new EndEvent();
        element.setId("end");
        process.addFlowElement(element);
    }
    process.addFlowElement(new SequenceFlow("start", "end"));
    bpmnModel.addProcess(process);
    return getActivitiXmlFromBpmnModel(bpmnModel);
}

Example 38 with SequenceFlow

use of org.activiti.bpmn.model.SequenceFlow in project herd by FINRAOS.

the class JobDefinitionServiceTest method testCreateJobDefinitionAssertThrowErrorWhenFirstTaskNotAsync.

/**
 * Asserts that create job definition proceeds throws an exception when the first task is not async
 *
 * @throws Exception
 */
@Test
public void testCreateJobDefinitionAssertThrowErrorWhenFirstTaskNotAsync() throws Exception {
    String namespace = NAMESPACE;
    String jobName = JOB_NAME;
    BpmnModel bpmnModel = new BpmnModel();
    Process process = new Process();
    process.setId(namespace + '.' + jobName);
    {
        StartEvent element = new StartEvent();
        element.setId("start");
        process.addFlowElement(element);
    }
    {
        ScriptTask element = new ScriptTask();
        element.setId("script");
        element.setScriptFormat("js");
        element.setScript("// do nothing");
        process.addFlowElement(element);
    }
    {
        EndEvent element = new EndEvent();
        element.setId("end");
        process.addFlowElement(element);
    }
    process.addFlowElement(new SequenceFlow("start", "script"));
    process.addFlowElement(new SequenceFlow("script", "end"));
    bpmnModel.addProcess(process);
    String activitiJobXml = getActivitiXmlFromBpmnModel(bpmnModel);
    namespaceDaoTestHelper.createNamespaceEntity(namespace);
    try {
        jobDefinitionService.createJobDefinition(new JobDefinitionCreateRequest(namespace, jobName, null, activitiJobXml, null, null), true);
        fail();
    } catch (Exception e) {
        assertEquals(IllegalArgumentException.class, e.getClass());
        assertEquals("Element with id \"script\" must be set to activiti:async=true. All tasks which start the workflow must be asynchronous to prevent " + "certain undesired transactional behavior, such as records of workflow not being saved on errors. Please refer to Activiti and herd " + "documentations for details.", e.getMessage());
    }
}

Example 39 with SequenceFlow

use of org.activiti.bpmn.model.SequenceFlow in project herd by FINRAOS.

the class HerdCommandInvokerTest method testAssertAsynchronousTaskErrorWrittenToJobEntity.

/**
 * Tests the error handling behavior for asynchronous tasks. This test proves 2 behaviors: when a asynchronous task is executed, and an error occurs, any
 * variables written by the tasks are persisted, and the error message and stack trace is recorded in the JobEntity which belongs to the execution. Writing
 * the exception in JobEntity ensures that we are able to retrieve the exception message in our GetJob API.
 * <p/>
 * This test must run outside of a transaction since the workflow will be executing asynchronously.
 *
 * @throws Exception
 */
@Test
@Transactional(propagation = Propagation.NOT_SUPPORTED)
public void testAssertAsynchronousTaskErrorWrittenToJobEntity() throws Exception {
    // Create a workflow
    BpmnModel bpmnModel = new BpmnModel();
    Process process = new Process();
    process.setId("test");
    {
        StartEvent element = new StartEvent();
        element.setId("start");
        process.addFlowElement(element);
    }
    {
        ScriptTask element = new ScriptTask();
        element.setId("script1");
        element.setScriptFormat("js");
        element.setAsynchronous(true);
        element.setScript("execution.setVariable('foo', 'bar');");
        process.addFlowElement(element);
    }
    {
        ScriptTask element = new ScriptTask();
        element.setId("script2");
        element.setScriptFormat("js");
        element.setScript("throw new Error()");
        process.addFlowElement(element);
    }
    {
        EndEvent element = new EndEvent();
        element.setId("end");
        process.addFlowElement(element);
    }
    process.addFlowElement(new SequenceFlow("start", "script1"));
    process.addFlowElement(new SequenceFlow("script1", "script2"));
    process.addFlowElement(new SequenceFlow("script2", "end"));
    bpmnModel.addProcess(process);
    // Deploy the workflow
    activitiRepositoryService.createDeployment().addBpmnModel("bpmn20.xml", bpmnModel).deploy();
    // Start the process instance
    ProcessInstance processInstance = activitiRuntimeService.startProcessInstanceByKey("test");
    try {
        /*
             * Wait for process instance to run.
             * Note that we cannot use the convenience method waitUntilAllProcessCompleted() since the workflow will be in an error state and therefore stay
             * active.
             */
        long startTime = System.currentTimeMillis();
        HistoricVariableInstance persistedVariable = null;
        while (persistedVariable == null) {
            persistedVariable = activitiHistoryService.createHistoricVariableInstanceQuery().variableName("foo").singleResult();
            Thread.sleep(10);
            if (System.currentTimeMillis() - startTime > 10000) {
                fail("workflow did not reach the desired state within a reasonable time");
            }
        }
        // Make assertions
        // Assert variable is persisted
        assertEquals("bar", persistedVariable.getValue());
        // Assert exception message is logged
        assertEquals("ActivitiException: problem evaluating script: Error in <eval> at line number 1 at column number 0", activitiManagementService.createJobQuery().executionId(processInstance.getProcessInstanceId()).singleResult().getExceptionMessage());
    } finally {
        deleteActivitiDeployments();
    }
}

Example 40 with SequenceFlow

use of org.activiti.bpmn.model.SequenceFlow in project herd by FINRAOS.

the class JobDefinitionServiceImpl method assertFirstTaskIsAsync.

/**
 * Asserts that the first asyncable task in the given model is indeed asynchronous. Only asserts when the configuration is set to true.
 *
 * @param bpmnModel The BPMN model
 */
private void assertFirstTaskIsAsync(BpmnModel bpmnModel) {
    if (Boolean.TRUE.equals(configurationHelper.getProperty(ConfigurationValue.ACTIVITI_JOB_DEFINITION_ASSERT_ASYNC, Boolean.class))) {
        Process process = bpmnModel.getMainProcess();
        for (StartEvent startEvent : process.findFlowElementsOfType(StartEvent.class)) {
            for (SequenceFlow sequenceFlow : startEvent.getOutgoingFlows()) {
                String targetRef = sequenceFlow.getTargetRef();
                FlowElement targetFlowElement = process.getFlowElement(targetRef);
                if (targetFlowElement instanceof Activity) {
                    Assert.isTrue(((Activity) targetFlowElement).isAsynchronous(), "Element with id \"" + targetRef + "\" must be set to activiti:async=true. All tasks which start the workflow must be asynchronous to prevent certain undesired " + "transactional behavior, such as records of workflow not being saved on errors. Please refer to Activiti and herd documentations " + "for details.");
                }
            }
        }
    }
}