static void Main(string[] args)
{
ContextA ctxA = new ContextA();
ctxA.Set <ModelA>().Add(new ModelA());
ctxA.SaveChanges();
ContextB ctxB = new ContextB();
ctxB.Set <ModelB>().Add(new ModelB());
ctxB.SaveChanges();
ContextJoin ctxJoin = new ContextJoin(ctxA, ctxB);
ctxJoin.Set <ModelB>().Add(new ModelB());
ctxJoin.Set <ModelA>().Add(new ModelA());
ctxJoin.SaveChanges();
var crossQuery = ctxJoin.Set <ModelA>().Join(
ctxJoin.Set <ModelB>(), t => t.Id, t => t.Id, (a, b) => new
{
a.Name,
b.Date
}).ToList();
crossQuery.ForEach(t => Console.WriteLine($"Name: {t.Name}, Date: {t.Date}"));
}
static void SubMainWithDI()
{
//with dependency injection, it will automatically injected the proper object into arguments.
ContextA _contextA = Container.Resolve <ContextA>();
ContextB _contextB = Container.Resolve <ContextB>();
ContextC _contextC = Container.Resolve <ContextC>();
_contextA.DoSomething();
_contextB.DoSomething();
_contextC.DoSomething();
}
static void SubMainWithoutDI()
{
//without dependency injection, manually inputed the object
ContextA contextA = new ContextA(new ClassA());
ContextB contextB = new ContextB(new ClassA(), new ClassB());
ContextC contextC = new ContextC(new ClassA(), new ClassB(), new ClassC());
contextA.DoSomething();
contextB.DoSomething();
contextC.DoSomething();
}
public void Can_initialize_with_create_if_not_exists()
{
ResetDatabase();
Database.SetInitializer(new CreateDatabaseIfNotExists <ContextA>());
Database.SetInitializer(new CreateDatabaseIfNotExists <ContextB>());
using (var connection = TestDatabase.CreateConnection(TestDatabase.ConnectionString))
{
using (var context = new ContextA(connection, contextOwnsConnection: false))
{
context.Database.Initialize(true);
}
using (var context = new ContextB(connection, contextOwnsConnection: false))
{
context.Database.Initialize(true);
}
}
Assert.True(TableExists("TenantAs"));
Assert.True(TableExists("TenantBs"));
}
public EDTController()
{
_contextA = new ContextA();
_contextB = new ContextB();
}
public void Can_initialize_with_create_if_not_exists()
{
ResetDatabase();
Database.SetInitializer(new CreateDatabaseIfNotExists<ContextA>());
Database.SetInitializer(new CreateDatabaseIfNotExists<ContextB>());
using (var connection = TestDatabase.CreateConnection(TestDatabase.ConnectionString))
{
using (var context = new ContextA(connection, contextOwnsConnection: false))
{
context.Database.Initialize(true);
}
using (var context = new ContextB(connection, contextOwnsConnection: false))
{
context.Database.Initialize(true);
}
}
Assert.True(TableExists("TenantAs"));
Assert.True(TableExists("TenantBs"));
}
