/// <summary>
/// Retrieves an instance of ContactManagerContext from the appropriate storage container or
/// creates a new instance and stores that in a container.
/// </summary>
/// <returns>An instance of ContactManagerContext.</returns>
public static ContactManagerContext GetDataContext()
{
var dataContextStorageContainer = DataContextStorageFactory <ContactManagerContext> .CreateStorageContainer();
var contactManagerContext = dataContextStorageContainer.GetDataContext();
if (contactManagerContext == null)
{
contactManagerContext = new ContactManagerContext();
dataContextStorageContainer.Store(contactManagerContext);
}
return(contactManagerContext);
}
/// <summary>
/// Sets the IDatabaseInitializer for the application.
/// </summary>
/// <param name="dropDatabaseIfModelChanges">When true, uses the MyDropCreateDatabaseIfModelChanges to recreate the database when necessary.
/// Otherwise, database initialization is disabled by passing null to the SetInitializer method.
/// </param>
public static void Init(bool dropDatabaseIfModelChanges)
{
if (dropDatabaseIfModelChanges)
{
Database.SetInitializer(new MyDropCreateDatabaseIfModelChanges());
using (var db = new ContactManagerContext())
{
db.Database.Initialize(false);
}
}
else
{
Database.SetInitializer <ContactManagerContext>(null);
}
}
