*
* @param xmlMatrix
* @return
*/
private Matrix fromXmlToTreeBase(CategoricalMatrix xmlMatrix) {
DiscreteMatrix tbMatrix = new DiscreteMatrix();
DiscreteMatrixJDBC matrixJDBC = new DiscreteMatrixJDBC(tbMatrix, xmlMatrix, this);
List<MatrixColumnJDBC> columnJDBCs = new ArrayList<MatrixColumnJDBC>();
long[] colIds = matrixJDBC.getColIDs();
long[] rowIds = matrixJDBC.getRowIDs();
List<DiscreteMatrixElementJDBC> elements = new ArrayList<DiscreteMatrixElementJDBC>();