if (!ptree.containsVertex(parent))
ptree.addVertex(parent);
DesignerEdge new_edge = ptree.createEdge(parent, child, edge);
LOG.debug("Creating new edge " + new_edge + " in PartitionTree");
LOG.debug(new_edge.debug(ptree));
child.setAttribute(ptree, PartitionTree.VertexAttributes.ATTRIBUTE.name(), CollectionUtil.first(entries));
child.setAttribute(ptree, PartitionTree.VertexAttributes.METHOD.name(), PartitionMethodType.MAP);
//