ElasticsearchExprValueFactory { private ExprIntegerValue constructInteger(Integer value) { return new ExprIntegerValue(value); }  ExprTupleValue construct(String jsonString); ExprValue construct(String field, Object value);  }
@Test public void constructInteger() { assertEquals(integerValue(1), tupleValue("{\"intV\":1}").get("intV")); assertEquals(integerValue(1), constructFromObject("intV", 1)); }