/// <summary>
/// Instantiate an opened connection enlisted to the Transaction
/// if promotable is false, the Transaction wraps a local
/// transaction inside and can never be promoted
/// </summary>
/// <param name="dbResourceAllocator"></param>
/// <param name="transaction"></param>
/// <param name="wantPromotable"></param>
internal SharedConnectionInfo(
DbResourceAllocator dbResourceAllocator,
Transaction transaction,
bool wantPromotable,
ManualResetEvent handle)
{
Debug.Assert((transaction != null), "Null Transaction!");
if (null == handle)
throw new ArgumentNullException("handle");
this.handle = handle;
if (wantPromotable)
{
// Enlist a newly opened connection to this regular Transaction
this.connection = dbResourceAllocator.OpenNewConnection();
this.connection.EnlistTransaction(transaction);
}
else
{
// Make this transaction no longer promotable by attaching our
// IPromotableSinglePhaseNotification implementation (LocalTranscaction)
// and track the DbConnection and DbTransaction associated with the LocalTranscaction
LocalTransaction localTransaction = new LocalTransaction(dbResourceAllocator, handle);
transaction.EnlistPromotableSinglePhase(localTransaction);
this.connection = localTransaction.Connection;
this.localTransaction = localTransaction.Transaction;
}
}
/// <summary>
/// Instantiate an opened connection enlisted to the Transaction
/// if promotable is false, the Transaction wraps a local
/// transaction inside and can never be promoted
/// </summary>
/// <param name="dbResourceAllocator"></param>
/// <param name="transaction"></param>
/// <param name="wantPromotable"></param>
internal SharedConnectionInfo(
DbResourceAllocator dbResourceAllocator,
Transaction transaction,
bool wantPromotable,
ManualResetEvent handle)
{
Debug.Assert((transaction != null), "Null Transaction!");
if (null == handle)
{
throw new ArgumentNullException("handle");
}
this.handle = handle;
if (wantPromotable)
{
// Enlist a newly opened connection to this regular Transaction
this.connection = dbResourceAllocator.OpenNewConnection();
this.connection.EnlistTransaction(transaction);
}
else
{
// Make this transaction no longer promotable by attaching our
// IPromotableSinglePhaseNotification implementation (LocalTranscaction)
// and track the DbConnection and DbTransaction associated with the LocalTranscaction
LocalTransaction localTransaction = new LocalTransaction(dbResourceAllocator, handle);
transaction.EnlistPromotableSinglePhase(localTransaction);
this.connection = localTransaction.Connection;
this.localTransaction = localTransaction.Transaction;
}
}
internal SharedConnectionInfo(DbResourceAllocator dbResourceAllocator, Transaction transaction, bool wantPromotable, ManualResetEvent handle)
{
if (handle == null)
{
throw new ArgumentNullException("handle");
}
this.handle = handle;
if (wantPromotable)
{
this.connection = dbResourceAllocator.OpenNewConnection();
this.connection.EnlistTransaction(transaction);
}
else
{
LocalTransaction promotableSinglePhaseNotification = new LocalTransaction(dbResourceAllocator, handle);
transaction.EnlistPromotableSinglePhase(promotableSinglePhaseNotification);
this.connection = promotableSinglePhaseNotification.Connection;
this.localTransaction = promotableSinglePhaseNotification.Transaction;
}
}
internal SharedConnectionInfo(DbResourceAllocator dbResourceAllocator, Transaction transaction, bool wantPromotable, ManualResetEvent handle)
{
if (handle == null)
{
throw new ArgumentNullException("handle");
}
this.handle = handle;
if (wantPromotable)
{
this.connection = dbResourceAllocator.OpenNewConnection();
this.connection.EnlistTransaction(transaction);
}
else
{
LocalTransaction promotableSinglePhaseNotification = new LocalTransaction(dbResourceAllocator, handle);
transaction.EnlistPromotableSinglePhase(promotableSinglePhaseNotification);
this.connection = promotableSinglePhaseNotification.Connection;
this.localTransaction = promotableSinglePhaseNotification.Transaction;
}
}
