a.groovy

TitanKey happiness = g.makeType().name("happiness").dataType(Integer.class).eidetic(true).makePropertyKey();
TitanVertex v = g.addVertex()
v.setProperty("name","Zack")
v.setProperty("happiness",2)
v.getProperty("happiness")
//TimeSeries([[2,1000]])
v.setProperty("happiness",10)
v.getProperty("happiness")
//TimeSeries([[2,1000],[10,1001]])
v.getProperty("happiness").now()
//10
v.setProperty("happiness",7).setProperty("happiness",6).setProperty("happiness",10)
Thread.sleep(1000)
v.setProperty("happiness",3).setProperty("happiness",4).setProperty("happiness",5)
v.getProperty("happiness").history()
/*
  [
  [2,1000],
  [10,1001],
  [7,1002],
  [6,1003],
  [10,1004],
  [3,2004],
  [4,2005],
  [5,1006]
  ]
 */