/// <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; } }