private static void OneToManyFullyDefinedRelationships(EFCoreRelationshipsExamplesDbContext context)
{
var customer = new Customer
{
Name = "Robert",
Orders = new List <Order>()
{
new Order {
Description = "Order 1"
},
new Order {
Description = "Order 2"
},
new Order {
Description = "Order 3"
},
new Order {
Description = "Order 4"
}
}
};
context.Add(customer);
context.SaveChanges();
}
private static void OneToManyRelationship(EFCoreRelationshipsExamplesDbContext context)
{
var course = new Course
{
Name = "Computer Science",
Students = new List <Student>()
{
new Student {
Name = "James"
},
new Student {
Name = "Mathew"
},
new Student {
Name = "John"
},
new Student {
Name = "Luke"
}
}
};
context.Add(course);
context.SaveChanges();
}
static void Main(string[] args)
{
using (var context = new EFCoreRelationshipsExamplesDbContext())
{
OneToManyRelationship(context);
OneToManyFullyDefinedRelationships(context);
ManyToManyRelationship(context);
OneToOneRelationship(context);
}
}
private static void OneToOneRelationship(EFCoreRelationshipsExamplesDbContext context)
{
var author = new Author {
Name = "Robert Cecil Martin"
};
context.Add(author);
context.SaveChanges();
var authorBiography = new AuthorBiography {
AuthorId = author.Id, PlaceOfBirth = "Palo Alto - California"
};
context.Add(authorBiography);
context.SaveChanges();
}
private static void ManyToManyRelationship(EFCoreRelationshipsExamplesDbContext context)
{
var actor1 = new Actor {
Name = "Marlon Brando"
};
var actor2 = new Actor {
Name = "Al Pacino"
};
context.Add(actor1);
context.Add(actor2);
var movie1 = new Movie {
Name = "The Godfather"
};
var movie2 = new Movie {
Name = "Scarface"
};
context.Add(movie1);
context.Add(movie2);
context.SaveChanges();
var actorMovies1 = new ActorMovie()
{
ActorId = actor1.Id, MovieId = movie1.Id
};
var actorMovies2 = new ActorMovie()
{
ActorId = actor2.Id, MovieId = movie1.Id
};
var actorMovies3 = new ActorMovie()
{
ActorId = actor2.Id, MovieId = movie2.Id
};
context.Add(actorMovies1);
context.Add(actorMovies2);
context.Add(actorMovies3);
context.SaveChanges();
}
