+
+ private Map<String, E> getRow( final int row ) {
+ return getRows().get( "" + row );
+ }
+
+ private Map<String, Map<String, E>> getRows() {
+ return _rows;
+ }
+
+ private void init() {
+ _rows = new HashMap<String, Map<String, E>>();
+ setMaxCol( -1 );
+ setMaxRow( -1 );
+ }
+
+ private void setMaxCol( final int max_col ) {
+ _max_col = max_col;
+ }
+
+ private void setMaxRow( final int max_row ) {
+ _max_row = max_row;
+ }