Java Code Examples for org.apache.hadoop.hbase.client.Scan#setAuthorizations()

@Test
public void testScanForSuperUserWithFewerLabelAuths() throws Throwable {
  String[] auths = { SECRET };
  String user = "admin";
  try (Connection conn = ConnectionFactory.createConnection(conf)) {
    VisibilityClient.setAuths(conn, auths, user);
  }
  TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
  final Table table = createTableAndWriteDataWithLabels(tableName, SECRET + "&" + CONFIDENTIAL
      + "&!" + PRIVATE, SECRET + "&!" + PRIVATE);
  PrivilegedExceptionAction<Void> scanAction = new PrivilegedExceptionAction<Void>() {
    @Override
    public Void run() throws Exception {
      Scan s = new Scan();
      s.setAuthorizations(new Authorizations(SECRET, CONFIDENTIAL));
      try (Connection connection = ConnectionFactory.createConnection(conf);
           Table t = connection.getTable(table.getName())) {
        ResultScanner scanner = t.getScanner(s);
        Result[] result = scanner.next(5);
        assertTrue(result.length == 2);
      }
      return null;
    }
  };
  SUPERUSER.runAs(scanAction);
}
 

protected ResultScanner getResults(final Table table, final byte[] startRow, final byte[] endRow, final Collection<Column> columns, List<String> authorizations) throws IOException {
    final Scan scan = new Scan();
    scan.setStartRow(startRow);
    scan.setStopRow(endRow);

    if (authorizations != null && authorizations.size() > 0) {
        scan.setAuthorizations(new Authorizations(authorizations));
    }

    if (columns != null && columns.size() > 0) {
        for (Column col : columns) {
            if (col.getQualifier() == null) {
                scan.addFamily(col.getFamily());
            } else {
                scan.addColumn(col.getFamily(), col.getQualifier());
            }
        }
    }

    return table.getScanner(scan);
}
 

protected ResultScanner getResults(final Table table, final Collection<Column> columns, final Filter filter, final long minTime, List<String> authorizations) throws IOException {
    // Create a new scan. We will set the min timerange as the latest timestamp that
    // we have seen so far. The minimum timestamp is inclusive, so we will get duplicates.
    // We will record any cells that have the latest timestamp, so that when we scan again,
    // we know to throw away those duplicates.
    final Scan scan = new Scan();
    scan.setTimeRange(minTime, Long.MAX_VALUE);

    if (authorizations != null && authorizations.size() > 0) {
        scan.setAuthorizations(new Authorizations(authorizations));
    }

    if (filter != null) {
        scan.setFilter(filter);
    }

    if (columns != null) {
        for (Column col : columns) {
            if (col.getQualifier() == null) {
                scan.addFamily(col.getFamily());
            } else {
                scan.addColumn(col.getFamily(), col.getQualifier());
            }
        }
    }

    return table.getScanner(scan);
}
 

@Test
public void testScanForUserWithFewerLabelAuthsThanLabelsInScanAuthorizations() throws Throwable {
  String[] auths = { SECRET };
  String user = "user2";
  VisibilityClient.setAuths(TEST_UTIL.getConnection(), auths, user);
  TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
  final Table table = createTableAndWriteDataWithLabels(tableName, SECRET + "&" + CONFIDENTIAL
      + "&!" + PRIVATE, SECRET + "&!" + PRIVATE);
  SecureTestUtil.grantOnTable(TEST_UTIL, NORMAL_USER2.getShortName(), tableName,
    null, null, Permission.Action.READ);
  PrivilegedExceptionAction<Void> scanAction = new PrivilegedExceptionAction<Void>() {
    @Override
    public Void run() throws Exception {
      Scan s = new Scan();
      s.setAuthorizations(new Authorizations(SECRET, CONFIDENTIAL));
      try (Connection connection = ConnectionFactory.createConnection(conf);
           Table t = connection.getTable(table.getName())) {
        ResultScanner scanner = t.getScanner(s);
        Result result = scanner.next();
        assertTrue(!result.isEmpty());
        assertTrue(Bytes.equals(Bytes.toBytes("row2"), result.getRow()));
        result = scanner.next();
        assertNull(result);
      }
      return null;
    }
  };
  NORMAL_USER2.runAs(scanAction);
}
 

@Test
public void testVisibilityLabelsWithDeleteColumns() throws Throwable {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());

  try (Table table = createTableAndWriteDataWithLabels(SECRET + "&" + TOPSECRET, SECRET)) {
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.setCellVisibility(new CellVisibility(TOPSECRET + "&" + SECRET));
          d.addColumns(fam, qual);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 1);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));

  }
}
 

@Test
public void testVisibilityLabelsWithComplexLabels() throws Exception {
  TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
  try (Table table = createTableAndWriteDataWithLabels(tableName, "(" + SECRET + "|"
      + CONFIDENTIAL + ")" + "&" + "!" + TOPSECRET, "(" + PRIVATE + "&" + CONFIDENTIAL + "&"
      + SECRET + ")", "(" + PRIVATE + "&" + CONFIDENTIAL + "&" + SECRET + ")", "(" + PRIVATE
      + "&" + CONFIDENTIAL + "&" + SECRET + ")")) {
    Scan s = new Scan();
    s.setAuthorizations(new Authorizations(TOPSECRET, CONFIDENTIAL, PRIVATE, PUBLIC, SECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(4);
    assertEquals(3, next.length);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
        current.getRowLength(), row2, 0, row2.length));
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
        current.getRowLength(), row3, 0, row3.length));
    cellScanner = next[2].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
        current.getRowLength(), row4, 0, row4.length));
  }
}
 

@Test
public void testVisibilityLabelsWithDeleteFamily() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = createTableAndWriteDataWithLabels(SECRET, CONFIDENTIAL + "|" + TOPSECRET)) {
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row2);
          d.setCellVisibility(new CellVisibility(TOPSECRET + "|" + CONFIDENTIAL));
          d.addFamily(fam);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 1);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
  }
}
 

@Test
public void testDeleteFamilyWithoutCellVisibilityWithMulipleVersions() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPutsWithoutVisibility(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.addFamily(fam);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 1);
    // All cells wrt row1 should be deleted as we are not passing the Cell Visibility
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

@Test
public void testVisibilityLabelsWithDeleteFamilyVersion() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  long[] ts = new long[] { 123L, 125L };
  try (
    Table table = createTableAndWriteDataWithLabels(ts, CONFIDENTIAL + "|" + TOPSECRET, SECRET)) {
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.setCellVisibility(new CellVisibility(TOPSECRET + "|" + CONFIDENTIAL));
          d.addFamilyVersion(fam, 123L);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 1);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

public Iterator<GeoWaveRow> getDataIndexResults(
    final byte[] startRow,
    final byte[] endRow,
    final short adapterId,
    final String... additionalAuthorizations) {
  Result[] results = null;
  final byte[] family = StringUtils.stringToBinary(ByteArrayUtils.shortToString(adapterId));
  final Scan scan = new Scan();
  if (startRow != null) {
    scan.setStartRow(startRow);
  }
  if (endRow != null) {
    scan.setStopRow(HBaseUtils.getInclusiveEndKey(endRow));
  }
  if ((additionalAuthorizations != null) && (additionalAuthorizations.length > 0)) {
    scan.setAuthorizations(new Authorizations(additionalAuthorizations));
  }
  Iterable<Result> s = null;
  try {
    s = getScannedResults(scan, DataIndexUtils.DATA_ID_INDEX.getName());
    results = Iterators.toArray(s.iterator(), Result.class);
  } catch (final IOException e) {
    LOGGER.error("Unable to close HBase table", e);
  } finally {
    if (s instanceof ResultScanner) {
      ((ResultScanner) s).close();
    }
  }
  if (results != null) {
    return Arrays.stream(results).filter(r -> r.containsColumn(family, new byte[0])).map(
        r -> DataIndexUtils.deserializeDataIndexRow(
            r.getRow(),
            adapterId,
            r.getValue(family, new byte[0]),
            false)).iterator();
  }
  return Collections.emptyIterator();
}
 

@Test
public void testSimpleVisibilityLabelsWithUniCodeCharacters() throws Exception {
  TableName tableName = TableName.valueOf(TEST_NAME.getMethodName());
  try (Table table = createTableAndWriteDataWithLabels(tableName,
      SECRET + "|" + CellVisibility.quote(COPYRIGHT), "(" + CellVisibility.quote(COPYRIGHT)
          + "&"  + CellVisibility.quote(ACCENT) + ")|" + CONFIDENTIAL,
      CellVisibility.quote(UNICODE_VIS_TAG) + "&" + SECRET)) {
    Scan s = new Scan();
    s.setAuthorizations(new Authorizations(SECRET, CONFIDENTIAL, PRIVATE, COPYRIGHT, ACCENT,
        UNICODE_VIS_TAG));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 3);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
        current.getRowLength(), row1, 0, row1.length));
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
        current.getRowLength(), row2, 0, row2.length));
    cellScanner = next[2].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(),
        current.getRowLength(), row3, 0, row3.length));
  }
}
 

protected ResultScanner getResults(final Table table, final Collection<Column> columns, final Filter filter, final long minTime, List<String> authorizations) throws IOException {
    // Create a new scan. We will set the min timerange as the latest timestamp that
    // we have seen so far. The minimum timestamp is inclusive, so we will get duplicates.
    // We will record any cells that have the latest timestamp, so that when we scan again,
    // we know to throw away those duplicates.
    final Scan scan = new Scan();
    scan.setTimeRange(minTime, Long.MAX_VALUE);

    if (authorizations != null && authorizations.size() > 0) {
        scan.setAuthorizations(new Authorizations(authorizations));
    }

    if (filter != null) {
        scan.setFilter(filter);
    }

    if (columns != null) {
        for (Column col : columns) {
            if (col.getQualifier() == null) {
                scan.addFamily(col.getFamily());
            } else {
                scan.addColumn(col.getFamily(), col.getQualifier());
            }
        }
    }

    return table.getScanner(scan);
}
 

@Test
public void testVisibilityLabelsWithDeleteColumnsWithMultipleVersions() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPuts(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.setCellVisibility(new CellVisibility(
              "(" + PRIVATE + "&" + CONFIDENTIAL + ")|(" + SECRET + "&" + TOPSECRET + ")"));
          d.addColumns(fam, qual, 125L);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 2);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(127L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(126L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(125L, current.getTimestamp());
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

@Test
public void testVisibilityLabelsWithDeleteFamilyWithMultipleVersionsNoTimestamp()
    throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPuts(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d1 = new Delete(row1);
          d1.setCellVisibility(new CellVisibility(CONFIDENTIAL));
          d1.addFamily(fam);
          table.delete(d1);

          Delete d2 = new Delete(row1);
          d2.setCellVisibility(new CellVisibility(SECRET + "&" + TOPSECRET));
          d2.addFamily(fam);
          table.delete(d2);

          Delete d3 = new Delete(row1);
          d3.setCellVisibility(new CellVisibility(
              "(" + PRIVATE + "&" + CONFIDENTIAL + ")|(" + SECRET + "&" + TOPSECRET + ")"));
          d3.addFamily(fam);
          table.delete(d3);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertEquals(1, next.length);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

@Test
public void testDeleteFamilyAndDeleteColumnsWithAndWithoutVisibilityExp() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPuts(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        Delete d1 = new Delete(row1);
        d1.addFamily(fam);

        Delete d2 = new Delete(row1);
        d2.setCellVisibility(new CellVisibility(SECRET + "&" + TOPSECRET));
        d2.addColumns(fam, qual);
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          table.delete(createList(d1, d2));
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 2);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(127L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(126L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(124L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(123L, current.getTimestamp());
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
    scanner.close();
  }
}
 

@Test
public void testDeleteColumnWithLatestTimeStampUsingMultipleVersions() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPuts(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.setCellVisibility(new CellVisibility(SECRET + "&" + TOPSECRET));
          d.addColumn(fam, qual);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 2);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(127L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(126L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(124L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(123L, current.getTimestamp());
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

@Test
public void testDeleteColumnWithLatestTimeStampUsingMultipleVersionsAfterCompaction()
    throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPuts(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.setCellVisibility(new CellVisibility(SECRET + "&" + TOPSECRET));
          d.addColumn(fam, qual);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);
    TEST_UTIL.getAdmin().flush(tableName);
    Put put = new Put(Bytes.toBytes("row3"));
    put.addColumn(fam, qual, 127L, value);
    put.setCellVisibility(new CellVisibility(CONFIDENTIAL + "&" + PRIVATE));
    table.put(put);
    TEST_UTIL.getAdmin().flush(tableName);
    TEST_UTIL.getAdmin().majorCompact(tableName);
    // Sleep to ensure compaction happens. Need to do it in a better way
    Thread.sleep(5000);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 3);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(127L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(126L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(124L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(123L, current.getTimestamp());
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

protected ResultScanner getResults(final Table table, final String startRow, final String endRow, final String filterExpression, final Long timerangeMin, final Long timerangeMax,
        final Integer limitRows, final Boolean isReversed, final Boolean blockCache, final Collection<Column> columns, List<String> authorizations)  throws IOException {
    final Scan scan = new Scan();
    if (!StringUtils.isBlank(startRow)){
        scan.setStartRow(startRow.getBytes(StandardCharsets.UTF_8));
    }
    if (!StringUtils.isBlank(endRow)){
        scan.setStopRow(   endRow.getBytes(StandardCharsets.UTF_8));
    }

    if (authorizations != null && authorizations.size() > 0) {
        scan.setAuthorizations(new Authorizations(authorizations));
    }

    Filter filter = null;
    if (columns != null) {
        for (Column col : columns) {
            if (col.getQualifier() == null) {
                scan.addFamily(col.getFamily());
            } else {
                scan.addColumn(col.getFamily(), col.getQualifier());
            }
        }
    }
    if (!StringUtils.isBlank(filterExpression)) {
        ParseFilter parseFilter = new ParseFilter();
        filter = parseFilter.parseFilterString(filterExpression);
    }
    if (filter != null){
        scan.setFilter(filter);
    }

    if (timerangeMin != null && timerangeMax != null){
        scan.setTimeRange(timerangeMin, timerangeMax);
    }

    // ->>> reserved for HBase v 2 or later
    //if (limitRows != null && limitRows > 0){
    //    scan.setLimit(limitRows)
    //}

    if (isReversed != null){
        scan.setReversed(isReversed);
    }

    scan.setCacheBlocks(blockCache);

    return table.getScanner(scan);
}
 

@Test
public void testDeleteFamilyLatestTimeStampWithMulipleVersionsWithoutCellVisibilityInPuts()
    throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPutsWithoutVisibility(tableName)) {
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.setCellVisibility(new CellVisibility(SECRET + "&" + TOPSECRET));
          d.addFamily(fam);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);
    TEST_UTIL.getAdmin().flush(tableName);
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 2);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(127L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(126L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(125L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(124L, current.getTimestamp());
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(123L, current.getTimestamp());
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}
 

@Test
public void testScanAfterCompaction() throws Exception {
  setAuths();
  final TableName tableName = TableName.valueOf(testName.getMethodName());
  try (Table table = doPuts(tableName)) {
    TEST_UTIL.getAdmin().flush(tableName);
    PrivilegedExceptionAction<Void> actiona = new PrivilegedExceptionAction<Void>() {
      @Override
      public Void run() throws Exception {
        try (Connection connection = ConnectionFactory.createConnection(conf);
          Table table = connection.getTable(tableName)) {
          Delete d = new Delete(row1);
          d.setCellVisibility(new CellVisibility(
              "(" + PRIVATE + "&" + CONFIDENTIAL + ")|(" + SECRET + "&" + TOPSECRET + ")"));
          d.addFamily(fam, 126L);
          table.delete(d);
        } catch (Throwable t) {
          throw new IOException(t);
        }
        return null;
      }
    };
    SUPERUSER.runAs(actiona);

    TEST_UTIL.getAdmin().flush(tableName);
    Put put = new Put(Bytes.toBytes("row3"));
    put.addColumn(fam, qual, 127L, value);
    put.setCellVisibility(new CellVisibility(CONFIDENTIAL + "&" + PRIVATE));
    table.put(put);
    TEST_UTIL.getAdmin().flush(tableName);
    TEST_UTIL.getAdmin().compact(tableName);
    Thread.sleep(5000);
    // Sleep to ensure compaction happens. Need to do it in a better way
    Scan s = new Scan();
    s.readVersions(5);
    s.setAuthorizations(new Authorizations(SECRET, PRIVATE, CONFIDENTIAL, TOPSECRET));
    ResultScanner scanner = table.getScanner(s);
    Result[] next = scanner.next(3);
    assertTrue(next.length == 3);
    CellScanner cellScanner = next[0].cellScanner();
    cellScanner.advance();
    Cell current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row1, 0, row1.length));
    assertEquals(127L, current.getTimestamp());
    cellScanner = next[1].cellScanner();
    cellScanner.advance();
    current = cellScanner.current();
    assertTrue(Bytes.equals(current.getRowArray(), current.getRowOffset(), current.getRowLength(),
      row2, 0, row2.length));
  }
}