@@ -0,0 +1,664 @@
+package gvs.business.model.tree;%0A%0Aimport gvs.business.model.styles.GVSStyle;%0Aimport gvs.util.FontAwesome.Glyph;%0A%0Apublic class BinaryTreeVertex extends TreeVertex %7B%0A%0A  public BinaryTreeVertex(long id, String label, GVSStyle style,%0A      boolean isUserPositioned, Glyph icon) %7B%0A    super(id, label, style, isUserPositioned, icon);%0A  %7D%0A  %0A  public TreeVertex getLeftChild() %7B%0A    return getChildren().get(0);%0A  %7D%0A  %0A  public TreeVertex getRightChild() %7B%0A    return getChildren().get(1);%0A  %7D%0A  %0A  public void setLeftChild(TreeVertex child) %7B%0A    getChildren().set(0,child);%0A  %7D%0A  %0A  public void setRightChild(TreeVertex child) %7B%0A    getChildren().set(1,child);%0A  %7D%0A%0A%7D%0A

add binaryvertex class