4 commits

Author	SHA1	Message	Date
Sam Xu	0f8b01df3e	refactor the operation handler	2018-08-28 15:47:44 -07:00
Sam Xu	b210e2a099	change the segment and path	2018-08-21 14:42:55 -07:00
Sam Xu	a3a380e269	Modify the Segment classes and add test cases for them	2018-08-08 11:42:59 -07:00
Sam Xu	1b8d685dc7	Merge Graph changes into Master branch	2018-08-08 10:18:01 -07:00