wholefile-transformer-lib/src/main/java/com/streamsets/pipeline/stage/processor/transformer/WholeFileTransformerProcessor.java
private void handleOldTempFiles(Path tempParquetFile) throws IOException {
    if (tempParquetFile == null) {
      LOG.warn("temporary parquet file is empty");
      return;
    }
    Files.deleteIfExists(tempParquetFile);
  }
private void handleOldTempFiles(Path tempParquetFile) throws IOException {
    if (tempParquetFile == null) {
      LOG.warn("temporary parquet file is empty");
      return;
    }
    Files.deleteIfExists(tempParquetFile);
  }
Delete temporary parquet file
@param tempParquetFile the {@link java.nio.file.Path} temporary parquet file path