p;        Assert.assertEquals(duration3, vertices.get(3).&lt;Duration&gt;value(&quot;duration&quot;));</b>
&nbsp;    }
&nbsp;
&nbsp;    @Test
&nbsp;    public void batchPeriod() throws InterruptedException {
<b class="fc">&nbsp;        this.sqlgGraph.tx().normalBatchModeOn();</b>
<b class="fc">&nbsp;        Period period0 = Period.of(2015, 3, 0);</b>
<b class="fc">&nbsp;        this.sqlgGraph.addVertex(T.label, &quot;Person&quot;, &quot;period&quot;, period0);</b>
<b class="fc">&nbsp;        Period period1 