@Override
  protected boolean isRollbackSupported(DropPipePluginState state) {
    switch (state) {
      case LOCK:
      case DROP_ON_DATA_NODES:
      case DROP_ON_CONFIG_NODES:
        return true;
      default:
        return false;
    }
  }
This class extends {@link AbstractNodeProcedure} to make sure that when a {@link
DropPipePluginProcedure} is executed, the {@link AddConfigNodeProcedure}, {@link
RemoveConfigNodeProcedure} or {@link RemoveDataNodesProcedure} will not be executed at the same
time.
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/procedure/impl/pipe/plugin/DropPipePluginProcedure.java