Examples of com.datastax.driver.core.Row

com.datastax.driver.core.Row
A CQL Row returned in a {@link ResultSet}.
The values of a CQL Row can be retrieve by either index (index starts at 0) or name. When setting them by name, names follow the case insensitivity rules explained in {@link ColumnDefinitions}.


      final Set<EventBean> esperResultSet = new HashSet<EventBean>();
      final Iterator<Row> it = cassandraResultList.iterator();
      while (it.hasNext()) {
        final Map<String, Object> eventData = new HashMap<String, Object>();
        final Row cassandraRow = it.next();


        // TODO: extract values from row into event bean.


        final EventBean event = _context.getEventFactory().wrap(
            eventData);

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     * in the result set).
     *
     * @return the next result in this mapped result set or null if it is exhausted.
     */
    public T one() {
        Row row = rs.one();
        return row == null ? null : map(row);
    }

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        protected Pair<Long, Row> computeNext()
        {
            if (rows == null || !rows.hasNext())
                return endOfData();


            Row row = rows.next();
            Map<String, ByteBuffer> keyColumns = new HashMap<String, ByteBuffer>(); 
            for (String column : partitionBoundColumns.keySet())
                keyColumns.put(column, row.getBytesUnsafe(column));


            // increase total CF row read
            if (previousRowKey.isEmpty() && !keyColumns.isEmpty())
            {
                previousRowKey = keyColumns;

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        protected Pair<Long, Row> computeNext()
        {
            if (rows == null || !rows.hasNext())
                return endOfData();


            Row row = rows.next();
            Map<String, ByteBuffer> keyColumns = new HashMap<String, ByteBuffer>(); 
            for (String column : partitionBoundColumns.keySet())
                keyColumns.put(column, row.getBytesUnsafe(column));


            // increase total CF row read
            if (previousRowKey.isEmpty() && !keyColumns.isEmpty())
            {
                previousRowKey = keyColumns;

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        protected Pair<Long, Row> computeNext()
        {
            if (rows == null || !rows.hasNext())
                return endOfData();


            Row row = rows.next();
            Map<String, ByteBuffer> keyColumns = new HashMap<String, ByteBuffer>(); 
            for (String column : partitionBoundColumns.keySet())
                keyColumns.put(column, row.getBytesUnsafe(column));


            // increase total CF row read
            if (previousRowKey.isEmpty() && !keyColumns.isEmpty())
            {
                previousRowKey = keyColumns;

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        .select(COLUMN_DATA)
        .from(settings.getKeyspaceName(), settings.getTableName())
        .where(QueryBuilder.eq(COLUMN_SESSION_ID, sessionId))
        .and(QueryBuilder.eq(COLUMN_PAGE_ID, pageId));
    ResultSet rows = session.execute(dataSelect);
    Row row = rows.one();
    byte[] bytes = null;
    if (row != null)
    {
      ByteBuffer data = row.getBytes(COLUMN_DATA);
      bytes = new byte[data.remaining()];
      data.get(bytes);


      LOGGER.debug("Got data for session '{}' and page id '{}'", sessionId, pageId);
    }

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     * in the result set).
     *
     * @return the next result in this mapped result set or null if it is exhausted.
     */
    public T one() {
        Row row = rs.one();
        return row == null ? null : map(row);
    }

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    }


    List<T> result = new ArrayList<T>();
    Iterator<Row> iterator = resultSet.iterator();
    while (iterator.hasNext()) {
      Row row = iterator.next();
      result.add(readRowCallback.doWith(row));
    }


    return result;
  }

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    }


    List<T> result = new ArrayList<T>();
    Iterator<Row> iterator = resultSet.iterator();
    while (iterator.hasNext()) {
      Row row = iterator.next();
      result.add(readRowCallback.doWith(row));
    }


    return result;
  }

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    ResultSet resultSet = query(query);


    Iterator<Row> iterator = resultSet.iterator();
    if (iterator.hasNext()) {
      Row row = iterator.next();
      T result = readRowCallback.doWith(row);
      if (iterator.hasNext()) {
        throw new DuplicateKeyException("found two or more results in query " + query);
      }
      return result;

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