@Override
  public boolean isGeneratedByPipe() {
    return isGeneratedByPipe;
  }
Get ProgressIndex without waiting for tsfile close. Can be used in getting progressIndex when
memTable becomes immutable.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/event/common/tsfile/PipeTsFileInsertionEvent.java