join.setMetaData("y", 2);
join.setMetaData("width", 3);
join.setMetaData("height", 4);
join.setType(Join.TYPE_N_OF_M);
join.setN("#{var1}");
process.addNode(join);
new ConnectionImpl(actionNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
new ConnectionImpl(ruleSetNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
new ConnectionImpl(eventNode, Node.CONNECTION_DEFAULT_TYPE, join, Node.CONNECTION_DEFAULT_TYPE);
MilestoneNode milestone = new MilestoneNode();