Package org.apache.hadoop.hbase.filter

Examples of org.apache.hadoop.hbase.filter.WhileMatchFilter

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        throws IOError, TException {
      try {
        HTable table = getTable(tableName);
        Scan scan = new Scan(getBytes(startAndPrefix));
        addAttributes(scan, attributes);
        Filter f = new WhileMatchFilter(
            new PrefixFilter(getBytes(startAndPrefix)));
        scan.setFilter(f);
        if (columns != null && columns.size() != 0) {
          for(ByteBuffer column : columns) {
            byte [][] famQf = KeyValue.parseColumn(getBytes(column));
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    assertTrue(key != null && key.length > 0 &&
      Bytes.BYTES_COMPARATOR.compare(key, new byte [] {'a', 'a', 'a'}) >= 0);
    LOG.info("Key=" + Bytes.toString(key));
    Scan s = startRow == null? new Scan(): new Scan(startRow);
    Filter f = new RowFilter(op, new BinaryComparator(key));
    f = new WhileMatchFilter(f);
    s.setFilter(f);
    return s;
  }
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    @Override
    void testRow(final int i) throws IOException {
      Scan scan = new Scan(getRandomRow(this.rand, this.totalRows));
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
      ResultScanner s = this.table.getScanner(scan);
      //int count = 0;
      for (Result rr = null; (rr = s.next()) != null;) {
        // LOG.info("" + count++ + " " + rr.toString());
      }
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      scan = new Scan();
      scan.setOldFilter(oldFilter);
      rowPrefixFilter(scan);
     
      byte[] stopRow = Bytes.toBytes("bbc");
      newFilter = new WhileMatchFilter(new InclusiveStopFilter(stopRow));
      scan = new Scan();
      scan.setFilter(newFilter);
      rowInclusiveStopFilter(scan, stopRow);
     
      oldFilter = new WhileMatchRowFilter(
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        HTable table = getTable(tableName);
        byte [][] columnsArray = null;
        columnsArray = columns.toArray(new byte[0][]);
        Scan scan = new Scan(startAndPrefix);
        scan.addColumns(columnsArray);
        Filter f = new WhileMatchFilter(
            new PrefixFilter(startAndPrefix));
        scan.setFilter(f);
        return addScanner(table.getScanner(scan));
      } catch (IOException e) {
        throw new IOError(e.getMessage());
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    @Override
    void testRow(final int i) throws IOException {
      Scan scan = new Scan(getRandomRow(this.rand, this.totalRows));
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
      ResultScanner s = this.table.getScanner(scan);
      //int count = 0;
      for (Result rr = null; (rr = s.next()) != null;) {
        // LOG.info("" + count++ + " " + rr.toString());
      }
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      } break;
      case ValueFilter: {
        filter = new ValueFilter(CompareOp.valueOf(op), comparator.build());
      } break;
      case WhileMatchFilter: {
        filter = new WhileMatchFilter(filters.get(0).build());
      } break;
      default:
        throw new RuntimeException("unhandled filter type: " + type);
      }
      return filter;
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    assertTrue(key != null && key.length > 0 &&
      Bytes.BYTES_COMPARATOR.compare(key, new byte [] {'a', 'a', 'a'}) >= 0);
    LOG.info("Key=" + Bytes.toString(key));
    Scan s = startRow == null? new Scan(): new Scan(startRow);
    Filter f = new RowFilter(op, new BinaryComparator(key));
    f = new WhileMatchFilter(f);
    s.setFilter(f);
    return s;
  }
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        throws IOError, TException {
      try {
        HTable table = getTable(tableName);
        Scan scan = new Scan(getBytes(startAndPrefix));
        addAttributes(scan, attributes);
        Filter f = new WhileMatchFilter(
            new PrefixFilter(getBytes(startAndPrefix)));
        scan.setFilter(f);
        if (columns != null && columns.size() != 0) {
          for(ByteBuffer column : columns) {
            byte [][] famQf = KeyValue.parseColumn(getBytes(column));
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      FilterList list = new FilterList();
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      if (opts.filterAll) {
        list.addFilter(new FilterAllFilter());
      }
      list.addFilter(new WhileMatchFilter(new PageFilter(120)));
      scan.setFilter(list);
      ResultScanner s = this.table.getScanner(scan);
      for (Result rr; (rr = s.next()) != null;) {
        updateValueSize(rr);
      }
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