How to use org.jbpm.workflow.instance

public NodeInstance getNodeInstance(long nodeInstanceId) {
  for (NodeInstance nodeInstance: nodeInstances) {
    if (nodeInstance.getId() == nodeInstanceId) {
      return nodeInstance;
    }
  }
  return null;
}

  private void throwWorkflowRuntimeException(NodeInstanceContainer nodeInstanceContainer, ProcessInstance processInstance, String msg, Exception e) { 
    if( nodeInstanceContainer instanceof NodeInstance ) { 
      throw new WorkflowRuntimeException((org.kie.api.runtime.process.NodeInstance) nodeInstanceContainer, processInstance, msg, e );
    } else {
      throw new WorkflowRuntimeException(null, processInstance, msg, e );
    }
  }
}

  @Override
  public void cancel() {
    getProcessInstance().removeEventListener(getEventType(), getEventListener(), true);
    ((NodeInstanceContainer) getNodeInstanceContainer()).removeNodeInstance(this);
  }
}

@Override
public void triggerCompleted() {
  getProcessInstance().removeEventListener(getEventType(), getEventListener(), true);
  ((org.jbpm.workflow.instance.NodeInstanceContainer)getNodeInstanceContainer()).setCurrentLevel(getLevel());
  ((org.jbpm.workflow.instance.NodeInstanceContainer) getNodeInstanceContainer()).removeNodeInstance(this);
  
  NodeInstance instance = ((org.jbpm.workflow.instance.NodeInstanceContainer) getNodeInstanceContainer()).getNodeInstance(getNode());
  
  triggerNodeInstance((org.jbpm.workflow.instance.NodeInstance) instance, NodeImpl.CONNECTION_DEFAULT_TYPE);
}

public NodeInstance getNodeInstance(long nodeInstanceId, boolean recursive) {
  for (NodeInstance nodeInstance: getNodeInstances(recursive)) {
    if (nodeInstance.getId() == nodeInstanceId) {
      return nodeInstance;
    }
  }
  return null;
}

public NodeInstance getNodeInstance(long nodeInstanceId, boolean recursive) {
  for (NodeInstance nodeInstance: getNodeInstances(recursive)) {
    if (nodeInstance.getId() == nodeInstanceId) {
      return nodeInstance;
    }
  }
  return null;
}

public void triggerCompleted(String outType) {
  boolean cancelRemainingInstances = getCompositeNode().isCancelRemainingInstances();
  ((org.jbpm.workflow.instance.NodeInstanceContainer)getNodeInstanceContainer()).setCurrentLevel(getLevel());
  triggerCompleted(outType, cancelRemainingInstances);
  if (cancelRemainingInstances) {
    while (!nodeInstances.isEmpty()) {
      NodeInstance nodeInstance = (NodeInstance) nodeInstances.get(0);
      ((org.jbpm.workflow.instance.NodeInstance) nodeInstance).cancel();
    }
  }
}

  public void triggerCompleted() {
    ((org.jbpm.workflow.instance.NodeInstanceContainer)getNodeInstanceContainer()).setCurrentLevel(getLevel());
    triggerCompleted(org.jbpm.workflow.core.Node.CONNECTION_DEFAULT_TYPE, true);
  }
}

protected void addTimerListener() {
  ((WorkflowProcessInstance) getProcessInstance()).addEventListener("timerTriggered", this, false);
  ((WorkflowProcessInstance) getProcessInstance()).addEventListener("timer", this, true);
  ((WorkflowProcessInstance) getProcessInstance()).addEventListener("slaViolation:" + getId(), this, true);
}

public void removeEventListeners() {
  ((WorkflowProcessInstance) getProcessInstance()).removeEventListener("timerTriggered", this, false);
  ((WorkflowProcessInstance) getProcessInstance()).removeEventListener("timer", this, true);
  ((WorkflowProcessInstance) getProcessInstance()).removeEventListener("slaViolation:" + getId(), this, true);
}

private void addActivationListener() {
  getProcessInstance().addEventListener(getActivationType(), this, true);
}

public void addExceptionProcessListener() {
  if (exceptionHandlingProcessInstanceId > -1) {
    getProcessInstance().addEventListener("processInstanceCompleted:" + exceptionHandlingProcessInstanceId, this, true);
  }
}

protected String getActivationType() {
  return "RuleFlowStateEvent-" + this.getProcessInstance().getProcessId();
}

public boolean isResolveable(String name) {
  boolean found = nodeInstance.resolveContextInstance(VariableScope.VARIABLE_SCOPE, name) != null;
  if (!found) {
    return extraParameters.containsKey(name);
  }
  
  return found;
}

public WorkflowRuntimeException(NodeInstance nodeInstance, ProcessInstance processInstance, String message, Throwable e) {
  super(message, e);
  initialize(nodeInstance, processInstance);
}

public void setNodeInstanceContainer(NodeInstanceContainer nodeInstanceContainer) {
  this.nodeInstanceContainer = (org.jbpm.workflow.instance.NodeInstanceContainer) nodeInstanceContainer;
  if (nodeInstanceContainer != null) {
    this.nodeInstanceContainer.addNodeInstance(this);
  }
}

public NodeInstance getNodeInstance(long nodeInstanceId) {
  for (NodeInstance nodeInstance: nodeInstances) {
    if (nodeInstance.getId() == nodeInstanceId) {
      return nodeInstance;
    }
  }
  return null;
}

private void addWorkItemListener() {
  getProcessInstance().addEventListener("workItemCompleted", this, false);
  getProcessInstance().addEventListener("workItemAborted", this, false);
}

public WorkflowRuntimeException(NodeInstance nodeInstance, ProcessInstance processInstance, String message) {
  super(message);
  initialize(nodeInstance, processInstance);
}

public WorkflowRuntimeException(NodeInstance nodeInstance, ProcessInstance processInstance, Exception e) {
  super(e);
  initialize(nodeInstance, processInstance);
}