case SELECT:
JPQLSelectContext selectContext = new JPQLSelectContext(false);
contextBuilder = selectContext.new JPQLSelectContextBuilder();
break;
case SELECT_SINGLE:
JPQLSelectSingleContext singleSelectContext = new JPQLSelectSingleContext();
contextBuilder = singleSelectContext.new JPQLSelectSingleContextBuilder();
break;
case JOIN:
JPQLJoinSelectContext joinContext = new JPQLJoinSelectContext(false);
contextBuilder = joinContext.new JPQLJoinContextBuilder();