Package org.apache.hadoop.hbase.filter

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

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    // Make sure key is of some substance... non-null and > than first key.
    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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    private boolean skipRegion(CompareOp op, byte[] key, byte[] option ) {

        if (key.length == 0 || option == null)
            return false;

        BinaryComparator comp = new BinaryComparator(option);
        RowFilter rowFilter = new RowFilter(op, comp);
        return rowFilter.filterRowKey(key, 0, key.length);
    }
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      throw new IOException("Invalid arguments to checkAndPut "
          + "regionName is null");
    }
    HRegion region = getRegion(regionName);
    Integer lock = getLockFromId(put.getLockId());
    WritableByteArrayComparable comparator = new BinaryComparator(value);
    if (region.getCoprocessorHost() != null) {
      Boolean result = region.getCoprocessorHost()
        .preCheckAndPut(row, family, qualifier, CompareOp.EQUAL, comparator,
          put);
      if (result != null) {
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      throw new IOException("Invalid arguments to checkAndDelete "
          + "regionName is null");
    }
    HRegion region = getRegion(regionName);
    Integer lock = getLockFromId(delete.getLockId());
    WritableByteArrayComparable comparator = new BinaryComparator(value);
    if (region.getCoprocessorHost() != null) {
      Boolean result = region.getCoprocessorHost().preCheckAndDelete(row,
        family, qualifier, CompareOp.EQUAL, comparator, delete);
      if (result != null) {
        return result.booleanValue();
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    // Make sure key is of some substance... non-null and > than first key.
    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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    Scan scan = new Scan();
    scan.setStartRow(Bytes.toBytes(1));
    scan.setStopRow(Bytes.toBytes(3));
    scan.addColumn(FAMILY, FAMILY);
    scan.setFilter(new RowFilter(CompareFilter.CompareOp.NOT_EQUAL, new BinaryComparator(Bytes.toBytes(1))));

    ResultScanner scanner = foo.getScanner(scan);
    Result[] bar = scanner.next(100);
    assertEquals(1, bar.length);
  }
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    }

    protected Scan constructScan(byte[] valuePrefix) throws IOException {
      Filter filter = new SingleColumnValueFilter(
          FAMILY_NAME, QUALIFIER_NAME, CompareFilter.CompareOp.EQUAL,
          new BinaryComparator(valuePrefix)
      );
      Scan scan = new Scan();
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(filter);
      return scan;
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    assertTrue(slt.equals(sltDeserialized));
  }

  @Test public void testCompareFilter() throws Exception {
    Filter f = new RowFilter(CompareOp.EQUAL,
      new BinaryComparator(Bytes.toBytes("testRowOne-2")));
    byte [] bytes = f.toByteArray();
    Filter ff = RowFilter.parseFrom(bytes);
    assertNotNull(ff);
  }
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    }

    protected Scan constructScan(byte[] valuePrefix) throws IOException {
      Filter filter = new SingleColumnValueFilter(
          FAMILY_NAME, QUALIFIER_NAME, CompareFilter.CompareOp.EQUAL,
          new BinaryComparator(valuePrefix)
      );
      Scan scan = new Scan();
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(filter);
      return scan;
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      throw new IOException("Invalid arguments to checkAndPut "
          + "regionName is null");
    }
    HRegion region = getRegion(regionName);
    Integer lock = getLockFromId(put.getLockId());
    WritableByteArrayComparable comparator = new BinaryComparator(value);
    if (region.getCoprocessorHost() != null) {
      Boolean result = region.getCoprocessorHost()
        .preCheckAndPut(row, family, qualifier, CompareOp.EQUAL, comparator,
          put);
      if (result != null) {
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