 SqlGraph.
 It manages the opening, commit, rollback and close of the java.sql.Connection in a threadvar.
 Date: 2014/07/12
 Time: 2:18 PM</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ======== NESTED CLASS SUMMARY ======== -->
<li>
<section class="nested-class-summary" id="nested-class-summary">
<h2>Nested Class Summary</h2>
<div class="inherited-list">
<h2 id="nested-classes-inherited-from-class-org.apache.tinkerpop.gremlin.structure.Transaction">Nested classes/interfaces inher