if (steps.size() == 0)\r
return null;\r
else\r
- return steps.get(0).getBegin();\r
+ return steps.get(0).getTimestamp();\r
}\r
}\r
\r
if (steps.size() == 0)\r
return null;\r
else\r
- return steps.get(steps.size() - 1).getBegin();\r
+ return steps.get(steps.size() - 1).getTimestamp();\r
}\r
}\r
\r