code: private Filter createFilter() {
      return new FilterList(FilterList.Operator.MUST_PASS_ONE, processedStateFilter, new SingleColumnValueFilter(
        QueueEntryRow.COLUMN_FAMILY, stateColumnName, CompareFilter.CompareOp.GREATER,
        new BinaryPrefixComparator(Bytes.toBytes(transaction.getReadPointer()))
      ));
    }
docs: Creates a HBase filter that will filter out rows that that has committed state = PROCESSED.