public override bool Equals(object obj)
        {
            var compareTo = obj as Adoption;

            if (ReferenceEquals(this, compareTo))
            {
                return(true);
            }
            if (ReferenceEquals(null, compareTo))
            {
                return(false);
            }

            return(PetId.Equals(compareTo.PetId) && ResponsibleId.Equals(compareTo.ResponsibleId));
        }
 public override string ToString()
 {
     return(GetType().Name + " [Id=" + PetId.GetHashCode() + ResponsibleId.GetHashCode() + "]");
 }
 public override int GetHashCode()
 {
     return(GetType().GetHashCode() * 907 + PetId.GetHashCode() + ResponsibleId.GetHashCode());
 }