public String process(final Expression expression) {
    return formatExpression(expression);
  }
@Test
  public void shouldGenerateCorrectCodeForDateDateLT() {
    // Given:
    final ComparisonExpression compExp = new ComparisonExpression(
        Type.LESS_THAN,
        DATECOL,
        DATECOL
    );

    // When:
    final String java = sqlToJavaVisitor.process(compExp);

    // Then:
    assertThat(java, containsString("(((java.sql.Date) arguments.get(\"COL13\")).compareTo(((java.sql.Date) arguments.get(\"COL13\"))) < 0)"));
  }