participants = action.createWorkItemParticipants(cloneProcessInstance);
} else {
//反射调用bean指定的方法。
String methodName = beanName.substring(index + 1);
if("".equals(beanName))
throw new ProcessEngineException("IParticipantService 实现类Bean："+beanName+"，没有指定方法名称");
beanName = beanName.substring(0, index);
try {
Method method = action.getClass().getMethod(methodName, long.class, long.class);
participants = (List<Participant>)method.invoke(action, cloneProcessInstance);
} catch (Exception e) {
throw new ProcessEngineException("IParticipantService 实现类Bean："+beanName+"，没有此方法", e);
}
}
} catch (Exception e) {
throw new ProcessEngineException("通过业务逻辑获取参与者失败", e);
}
return participants;
}