WorkflowTransactionService.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WF / RunTime / Hosting / WorkflowTransactionService.cs / 1305376 / WorkflowTransactionService.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//   Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

 
#region Using directives 

using System; 
using System.Transactions;

#endregion
 
namespace System.Workflow.Runtime.Hosting
{ 
    public abstract class WorkflowCommitWorkBatchService : WorkflowRuntimeService 
    {
        public delegate void CommitWorkBatchCallback(); 

        virtual internal protected void CommitWorkBatch(CommitWorkBatchCallback commitWorkBatchCallback)
        {
            Transaction tx = null; 
            if (null == Transaction.Current)
                tx = new CommittableTransaction(); 
            else 
                tx = Transaction.Current.DependentClone(DependentCloneOption.BlockCommitUntilComplete);
 
            try
            {
                using (TransactionScope ts = new TransactionScope(tx))
                { 
                    commitWorkBatchCallback();
                    ts.Complete(); 
                } 

                CommittableTransaction committableTransaction = tx as CommittableTransaction; 
                if (committableTransaction != null)
                    committableTransaction.Commit();

                DependentTransaction dependentTransaction = tx as DependentTransaction; 
                if (dependentTransaction != null)
                    dependentTransaction.Complete(); 
            } 
            catch (Exception e)
            { 
                tx.Rollback(e);
                throw;
            }
            finally 
            {
                if (tx != null) 
                { 
                    tx.Dispose();
                } 
            }
        }
    }
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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