code: public Object sqlToJava(Object source)
      {
          if (source instanceof Integer)
          {
              if (source.equals(I_TRUE))
              {
                  return Boolean.TRUE;
              }
              else
              {
                  return Boolean.FALSE;
              }
          }
          else
          {
              return source;
          }
      }
docs: /*
  @see FieldConversion#sqlToJava(Object)