public void buildData() {
    Peer peer;
    int size = peerList.size();
    data = null;
    data = new Object[size][6];
    for (int i = 0; i < size; i++) {
      peer = peerList.get(i);
      data[i][0] = peer.getName();
      data[i][1] = String.valueOf(peer.getPonderations().getPonderation(PeerActionKill.class));
      data[i][2] = String.valueOf(peer.getPonderations().getPonderation(PeerActionAvg.class));
      data[i][3] = String.valueOf(peer.getPonderations().getPonderation(PeerActionTalk.class));
      data[i][4] = String.valueOf(peer.getPonderations().getPonderation(PeerActionQuery.class));
      data[i][5] = String.valueOf(peer.getPonderations().getPonderation(PeerActionMove.class));
    }

    fireTableChanged(new TableModelEvent(this));
  }
  public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
    data[rowIndex][columnIndex] = aValue;

    Peer p = peerList.get(rowIndex);

    Class c;
    if (columnIndex == 1) c = PeerActionKill.class;
    else if (columnIndex == 2) c = PeerActionAvg.class;
    else if (columnIndex == 3) c = PeerActionTalk.class;
    else if (columnIndex == 4) c = PeerActionQuery.class;
    else if (columnIndex == 5) c = PeerActionMove.class;
    else c = PeerActionQuery.class;

    p.getPonderations().setPonderation(c, Integer.parseInt(aValue.toString()));

    fireTableCellUpdated(rowIndex, columnIndex);
  }