How to use

setProcessInstance

method

in

org.drools.core.spi.ProcessContext

public void handleException(ExceptionHandler handler, String exception, Object params) {
  
  if (handler instanceof ActionExceptionHandler) {
    ActionExceptionHandler exceptionHandler = (ActionExceptionHandler) handler;
    Action action = (Action) exceptionHandler.getAction().getMetaData("Action");
    try {
      ProcessInstance processInstance = getProcessInstance();
      ProcessContext processContext = new ProcessContext(processInstance.getKnowledgeRuntime());
      ContextInstanceContainer contextInstanceContainer = getContextInstanceContainer();
      if (contextInstanceContainer instanceof NodeInstance) {
        processContext.setNodeInstance((NodeInstance) contextInstanceContainer);
      } else {
        processContext.setProcessInstance(processInstance);
      }
      String faultVariable = exceptionHandler.getFaultVariable();
      if (faultVariable != null) {
        processContext.setVariable(faultVariable, params);
      }
      action.execute(processContext);
    } catch (Exception e) {
      throw new RuntimeException("unable to execute Action", e);
    }
  } else {
    throw new IllegalArgumentException("Unknown exception handler " + handler);
  }
}

public void handleException(ExceptionHandler handler, String exception, Object params) {
  
  if (handler instanceof ActionExceptionHandler) {
    ActionExceptionHandler exceptionHandler = (ActionExceptionHandler) handler;
    Action action = (Action) exceptionHandler.getAction().getMetaData("Action");
    try {
      ProcessInstance processInstance = getProcessInstance();
      ProcessContext processContext = new ProcessContext(processInstance.getKnowledgeRuntime());
      ContextInstanceContainer contextInstanceContainer = getContextInstanceContainer();
      if (contextInstanceContainer instanceof NodeInstance) {
        processContext.setNodeInstance((NodeInstance) contextInstanceContainer);
      } else {
        processContext.setProcessInstance(processInstance);
      }
      String faultVariable = exceptionHandler.getFaultVariable();
      if (faultVariable != null) {
        processContext.setVariable(faultVariable, params);
      }
      action.execute(processContext);
    } catch (Exception e) {
      throw new RuntimeException("unable to execute Action", e);
    }
  } else {
    throw new IllegalArgumentException("Unknown exception handler " + handler);
  }
}

WorkflowProcessInstance processInstance = (WorkflowProcessInstance)
localksession.getProcessInstance(workItem.getProcessInstanceId());
kcontext.setProcessInstance(processInstance);
WorkItemNodeInstance nodeInstance = findNodeInstance(workItem.getId(),
                           processInstance);