apollo-adminservice/src/main/java/com/ctrip/framework/apollo/adminservice/aop/NamespaceAcquireLockAspect.java/NamespaceAcquireLockAspect/acquireLock
class NamespaceAcquireLockAspect:  void acquireLock(long namespaceId, String currentUser) {
    if (bizConfig.isNamespaceLockSwitchOff()) {
      return;
    }

    Namespace namespace = namespaceService.findOne(namespaceId);

    acquireLock(namespace, currentUser);

  }