jBPM流程执行过程图示跟踪的参考

http://blog.csdn.net/stormagic/archive/2010/05/16/5598592.aspx

http://fengshujuan.iteye.com/blog/97291

利用jbpm制作流程图

http://jbpm.group.iteye.com/group/topic/14049

http://www.blogjava.net/ycyk168/archive/2008/09/25/231092.html

JBPM实践之：在流程图上高亮显示指定的任务节点