Examples with RowSet com.google.bigtable.v2.RowSet used on opensource projects

Example 1 with RowSet

use of com.google.bigtable.v2.RowSet in project beam by apache.

the class BigtableWriteIT method getTableData.

/** Helper function to get a table's data. */
private List<KV<ByteString, ByteString>> getTableData(String tableName) throws IOException {
    // Add empty range to avoid TARGET_NOT_SET error
    RowRange range = RowRange.newBuilder().setStartKeyClosed(ByteString.EMPTY).setEndKeyOpen(ByteString.EMPTY).build();
    RowSet rowSet = RowSet.newBuilder().addRowRanges(range).build();
    ReadRowsRequest.Builder readRowsRequestBuilder = ReadRowsRequest.newBuilder().setTableName(tableName).setRows(rowSet);
    ResultScanner<Row> scanner = session.getDataClient().readRows(readRowsRequestBuilder.build());
    Row currentRow;
    List<KV<ByteString, ByteString>> tableData = new ArrayList<>();
    while ((currentRow = scanner.next()) != null) {
        ByteString key = currentRow.getKey();
        ByteString value = currentRow.getFamilies(0).getColumns(0).getCells(0).getValue();
        tableData.add(KV.of(key, value));
    }
    scanner.close();
    return tableData;
}