private void UseTransactionForRelationalDatabases(DbContextObjects dbContextObjects)
{
// Although Database is in EntityFramework.Core.dll, but it has a dependency on EntityFramework.Relational.dll
// We're going to call this method, only in case of relation database usage.
// So this property has been used in separated method call stack.
Database.UseTransaction(dbContextObjects.Transaction);
}
protected EfCoreDbContextBase(string connectionString, IDbContextObjectsProvider dbContextCreationOptionsProvider)
: base(dbContextCreationOptionsProvider.GetDbContextOptions(connectionString).Options)
{
if (dbContextCreationOptionsProvider == null)
{
throw new ArgumentNullException(nameof(dbContextCreationOptionsProvider));
}
if (connectionString == null)
{
throw new ArgumentNullException(nameof(connectionString));
}
DbContextObjects dbContextObjects = dbContextCreationOptionsProvider.GetDbContextOptions(connectionString);
if (dbContextObjects.Transaction != null /* We're going to use a relational database */)
{
UseTransactionForRelationalDatabases(dbContextObjects);
}
ApplyDefaultConfig();
}
protected DefaultDbContext(string connectionString, IDbContextObjectsProvider dbContextCreationOptionsProvider)
: this(dbContextCreationOptionsProvider.GetDbContextOptions(connectionString).Options)
{
if (dbContextCreationOptionsProvider == null)
{
throw new ArgumentNullException(nameof(dbContextCreationOptionsProvider));
}
if (connectionString == null)
{
throw new ArgumentNullException(nameof(connectionString));
}
DbContextObjects dbContextObjects = dbContextCreationOptionsProvider.GetDbContextOptions(connectionString);
if (dbContextObjects.Transaction != null /* We're going to use a relational database */)
{
UseTransactionForRelationalDatabases(dbContextObjects);
}
ChangeTracker.AutoDetectChangesEnabled = false;
ChangeTracker.QueryTrackingBehavior = QueryTrackingBehavior.NoTracking;
}
