code: @Override
      public Criteria[] parseValue(String attribute) {
          long attributeValue = Long.parseLong(attribute);
          if (name.endsWith("_on")) {
              // We have timestamp_on case
              DateCriteria after = new DateCriteria(name + "_after", columnName);
              after.value = new Timestamp(attributeValue - MILLS_IN_DAY/2);
              DateCriteria before = new DateCriteria(name + "_before", columnName);
              before.value = new Timestamp(attributeValue + MILLS_IN_DAY/2);
              return new Criteria[] {after, before};
          } else {
              DateCriteria result = new DateCriteria(name, columnName);
              result.value = new Timestamp(attributeValue);
              return new Criteria[] {result};
          }
      }
docs: /* (non-Javadoc)
  @see org.talend.esb.sam.server.persistence.criterias.Criteria#parseValue(java.lang.String)