You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service Oriented Architecture (SOA).Your service has the following service contract: [ServiceContract]public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber); double OrderAmount(int orderNumber);} You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions.If there is no existing transaction, a new transaction must be created automatically. What should you do?（）A、Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScope()) block.B、Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransaction()) block.C、Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the ConfirmCreditCard method.D、Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the ConfirmCreditCard method.
You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service Oriented Architecture (SOA).Your service has the following service contract: [ServiceContract]public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber); double OrderAmount(int orderNumber);} You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions.If there is no existing transaction, a new transaction must be created automatically. What should you do?（）
- A、Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScope()) block.
- B、Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransaction()) block.
- C、Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the ConfirmCreditCard method.
- D、Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the ConfirmCreditCard method.
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You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service Oriented Architecture (SOA).Your service has the following service contract:[ServiceContract]public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber);double OrderAmount(int orderNumber);}You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions.If there is no existing transaction, a new transaction must be created automatically. What should you do?（）A. Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScope()) block.B. Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransaction()) block.C. Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the ConfirmCreditCard method.D. Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the ConfirmCreditCard method.
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