ElasticsearchExprValueFactory { private ExprLongValue constructLong(Long value) { return new ExprLongValue(value); }  ExprTupleValue construct(String jsonString); ExprValue construct(String field, Object value);  }
@Test public void constructLong() { assertEquals(longValue(1L), tupleValue("{\"longV\":1}").get("longV")); assertEquals(longValue(1L), constructFromObject("longV", 1L)); }