private DbContext Get(Type requestedType)
{
if (_disposed)
{
throw new ObjectDisposedException("DbContextCollection");
}
if (!_initializedDbContexts.ContainsKey(requestedType))
{
// First time we've been asked for this particular DbContext type.
// Create one, cache it and start its database transaction if needed.
var dbContext = _dbContextFactory != null
? _dbContextFactory.GetType().GetMethod("CreateDbContext").MakeGenericMethod(requestedType).Invoke(_dbContextFactory, null) as DbContext
: Activator.CreateInstance(requestedType) as DbContext;
_initializedDbContexts.Add(requestedType, dbContext);
if (_readOnly)
{
dbContext.Configuration.AutoDetectChangesEnabled = false;
}
if (_isolationLevel.HasValue)
{
var tran = dbContext.Database.BeginTransaction(_isolationLevel.Value);
_transactions.Add(dbContext, tran);
}
}
return(_initializedDbContexts[requestedType] as DbContext);
}