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//
public class Person
{
public string PassportNumber;
public string Name;
public string Education;
public Address HomeAdress;
public List<Person> Friends;
public void AddFriend(Person p){.....}
public void Unfriend(Person p) {....}
}
// ( )
public struct Address
{
public string Street;
public string HouseNumber;
}
public class PersonRepository
{
public List<Person> Get(){....}
public void Save(Person p){....}
public void Delete(Person p){....}
}
//
public class FriendNotifier
{
public void Notify (Person p){
foreach (var item in p.Friends)
{
.....
}
}
}
:
public interface IGenericRepository<T> where T: class
{
IQueryable<T> GetAll();
IQueryable<T> FindBy(Expression<Func<T, bool>> predicate);
void Add(T entity);
void Delete(T entity);
void Edit(T entity);
void Save();
}
public class GenericRepository<T>:
IGenericRepository<T>
where T: class
{
private JobContext _entities;
public GenericRepository(string connectionString)
{
_entities = new JobContext(connectionString);
_entities.Database.Initialize(true);
}
public virtual IQueryable<T> GetAll()
{
IQueryable<T> query = _entities.Set<T>();
return query;
}
public IQueryable<T> FindBy(System.Linq.Expressions.Expression<Func<T, bool>> predicate)
{
IQueryable<T> query = _entities.Set<T>().Where(predicate);
return query;
}
public virtual void Add(T entity)
{
_entities.Set<T>().Add(entity);
}
public virtual void Delete(T entity)
{
_entities.Set<T>().Remove(entity);
}
public virtual void Edit(T entity)
{
_entities.Entry(entity).State = System.Data.EntityState.Modified;
}
public virtual void Save()
{
_entities.SaveChanges();
}
}
