Esempio n. 1
0
  /*
   * Deserialize a particular column since the name is in the form of
   * superColumn:column.
   */
  public IColumn deserialize(DataInputStream dis, String name, IFilter filter) throws IOException {
    if (dis.available() == 0) return null;

    String[] names = RowMutation.getColumnAndColumnFamily(name);
    if (names.length == 1) {
      IColumn superColumn = defreezeSuperColumn(dis);
      if (name.equals(superColumn.name())) {
        if (!superColumn.isMarkedForDelete()) {
          /* read the number of columns stored */
          int size = dis.readInt();
          /* read the size of all columns */
          dis.readInt();
          IColumn column = null;
          for (int i = 0; i < size; ++i) {
            column = Column.serializer().deserialize(dis, filter);
            if (column != null) {
              superColumn.addColumn(column.name(), column);
              column = null;
              if (filter.isDone()) {
                break;
              }
            }
          }
        }
        return superColumn;
      } else {
        /* read the number of columns stored */
        dis.readInt();
        /* read the size of all columns to skip */
        int size = dis.readInt();
        dis.skip(size);
        return null;
      }
    }

    SuperColumn superColumn = defreezeSuperColumn(dis);
    if (!superColumn.isMarkedForDelete()) {
      int size = dis.readInt();
      /* skip the size of the columns */
      dis.readInt();
      if (size > 0) {
        for (int i = 0; i < size; ++i) {
          IColumn subColumn = Column.serializer().deserialize(dis, names[1], filter);
          if (subColumn != null) {
            superColumn.addColumn(subColumn.name(), subColumn);
            break;
          }
        }
      }
    }
    return superColumn;
  }
Esempio n. 2
0
  /*
   * Go through each sub column if it exists then as it to resolve itself if the
   * column does not exist then create it.
   */
  public boolean putColumn(IColumn column) {
    if (!(column instanceof SuperColumn))
      throw new UnsupportedOperationException("Only Super column objects should be put here");
    if (!name_.equals(column.name()))
      throw new IllegalArgumentException(
          "The name should match the name of the current column or super column");
    Collection<IColumn> columns = column.getSubColumns();

    for (IColumn subColumn : columns) {
      IColumn columnInternal = columns_.get(subColumn.name());
      if (columnInternal == null) {
        addColumn(subColumn.name(), subColumn);
      } else {
        columnInternal.putColumn(subColumn);
      }
    }
    return false;
  }