How to use org.camunda.bpm.model.bpmn.builder

protected BpmnModelInstance createProcess(String scriptFormat, String scriptText) {
 return Bpmn.createExecutableProcess("testProcess")
  .startEvent()
  .scriptTask()
   .scriptFormat(scriptFormat)
   .scriptText(scriptText)
  .userTask()
  .endEvent()
 .done();
}

private BpmnModelInstance prepareFailingServiceTaskWithRetryCycle() {
 BpmnModelInstance modelInstance = Bpmn.createExecutableProcess(PROCESS_ID)
   .startEvent()
   .serviceTask()
    .camundaClass(FAILING_CLASS)
    .camundaAsyncBefore()
    .camundaFailedJobRetryTimeCycle("R10/PT5M")
   .endEvent()
   .done();
 return modelInstance;
}

protected BpmnModelInstance getModelWithCallActivityVersionTagBinding(String versionTag) {
 return Bpmn.createExecutableProcess("process")
   .startEvent()
   .callActivity("callActivity")
   .calledElement("subProcess")
   .camundaCalledElementBinding("versionTag")
   .camundaCalledElementVersionTag(versionTag)
   .endEvent()
   .done();
}

public static BpmnModelInstance oneTaskProcess(int processNumber) {
 return newModel(processNumber)
   .startEvent()
   .userTask(USER_TASK_ID)
   .endEvent()
   .done();
}

protected BpmnModelInstance createProcessWithServiceTask(String key) {
 return Bpmn.createExecutableProcess(key)
  .startEvent()
  .serviceTask()
   .camundaExpression("${true}")
  .endEvent()
 .done();
}

private BpmnModelInstance createModelInstance() {
 BpmnModelInstance instance = Bpmn.createExecutableProcess("process")
   .startEvent("start")
   .userTask("userTask1")
   .sequenceFlowId("seq")
   .userTask("userTask2")
   .endEvent("end")
   .done();
 return instance;
}

 public static BpmnModelInstance oneBpmnCallActivityProcessPassingVariables(int processNumber, int calledProcessNumber){
  return ProcessModels.newModel(processNumber)
    .startEvent()
    .callActivity()
     .calledElement("Process"+calledProcessNumber)
     .camundaInputParameter("NextProcess", "Process"+(processNumber+1))
     .camundaIn("NextProcess", "NextProcess")
    .endEvent()
    .done();
 }
}

private BpmnModelInstance prepareFailingBusinessRuleTask() {
 BpmnModelInstance modelInstance = Bpmn.createExecutableProcess(PROCESS_ID)
   .startEvent()
   .businessRuleTask()
    .camundaClass(FAILING_CLASS)
    .camundaAsyncBefore()
   .endEvent()
   .done();
 return modelInstance;
}

protected BpmnModelInstance addConditionalEventSubProcess(BpmnModelInstance model, String parentId, String conditionExpr, String userTaskId, boolean isInterrupting) {
 return modify(model)
  .addSubProcessTo(parentId)
  .triggerByEvent()
  .embeddedSubProcess()
  .startEvent()
  .interrupting(isInterrupting)
  .condition(conditionExpr)
  .userTask(userTaskId)
  .name(TASK_AFTER_CONDITION)
  .endEvent().done();
}

@Override
public BpmnModelInstance getSourceProcess() {
 return modify(ProcessModels.SUBPROCESS_PROCESS)
  .addSubProcessTo(EventSubProcessModels.SUB_PROCESS_ID)
  .triggerByEvent()
  .embeddedSubProcess()
  .startEvent(EVENT_SUB_PROCESS_START_ID).signal(EventSubProcessModels.SIGNAL_NAME)
  .userTask(EVENT_SUB_PROCESS_TASK_ID)
  .endEvent()
  .subProcessDone()
  .done();
}

protected BpmnModelInstance createFailingProcess() {
 return Bpmn.createExecutableProcess("Process")
  .startEvent()
  .serviceTask("failing")
  .camundaAsyncAfter()
  .camundaAsyncBefore()
  .camundaClass(FailingDelegate.class)
  .endEvent()
  .done();
}

protected BpmnModelInstance createProcessWithScriptTask(String key) {
 return Bpmn.createExecutableProcess(key)
  .startEvent()
  .scriptTask()
   .scriptFormat("javascript")
   .scriptText("return true")
  .userTask()
  .endEvent()
 .done();
}

protected BpmnModelInstance createProcess() {
 return Bpmn.createExecutableProcess("Process")
  .startEvent()
  .userTask("user")
  .endEvent()
  .done();
}

protected BpmnModelInstance createProcessWithServiceTask(String key) {
 return Bpmn.createExecutableProcess(key)
  .startEvent()
  .serviceTask()
   .camundaExpression("${true}")
  .endEvent()
 .done();
}

public static BpmnModelInstance oneBpmnCallActivityProcessAsExpression(int processNumber){
 return ProcessModels.newModel(processNumber)
   .startEvent()
   .callActivity()
    .calledElement("${NextProcess}")
    .camundaIn("NextProcess", "NextProcess")
   .endEvent()
   .done();
}

private BpmnModelInstance prepareFailingServiceTask() {
 BpmnModelInstance modelInstance = Bpmn.createExecutableProcess(PROCESS_ID)
   .startEvent()
   .serviceTask()
    .camundaClass(FAILING_CLASS)
    .camundaAsyncBefore()
   .endEvent()
   .done();
 return modelInstance;
}

private BpmnModelInstance prepareFailingScriptTask() {
 BpmnModelInstance bpmnModelInstance = Bpmn.createExecutableProcess(PROCESS_ID)
  .startEvent()
  .scriptTask()
   .scriptFormat("groovy")
   .scriptText("x = 5 / 0")
   .camundaAsyncBefore()
  .userTask()
  .endEvent()
 .done();
 return bpmnModelInstance;
}

private BpmnModelInstance prepareSimpleProcess(String name) {
 BpmnModelInstance calledA = Bpmn.createExecutableProcess(name)
   .startEvent()
   .userTask("Task" + name)
   .endEvent()
   .done();
 return calledA;
}

 public static BpmnModelInstance oneClassDelegateServiceTask(String className) {
  return ProcessModels.newModel()
   .startEvent()
   .serviceTask("serviceTask")
    .camundaClass(className)
   .endEvent()
   .done();
 }
}

 protected BpmnModelInstance createModelInstance() {
  BpmnModelInstance instance = Bpmn.createExecutableProcess("process")
    .startEvent("start")
    .userTask("userTask1")
    .endEvent("end")
    .done();
  return instance;
 }
}