ExtendLockAsyncResult.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 / NetFx40 / System.Activities.DurableInstancing / System / Activities / DurableInstancing / ExtendLockAsyncResult.cs / 1305376 / ExtendLockAsyncResult.cs

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

namespace System.Activities.DurableInstancing 
{
    using System.Data; 
    using System.Data.SqlClient; 
    using System.Globalization;
    using System.Runtime.DurableInstancing; 
    using System.Transactions;
    using System.Xml.Linq;

    sealed class ExtendLockAsyncResult : SqlWorkflowInstanceStoreAsyncResult 
    {
        static readonly string commandText = string.Format(CultureInfo.InvariantCulture, "{0}.[ExtendLock]", SqlWorkflowInstanceStoreConstants.DefaultSchema); 
 
        public ExtendLockAsyncResult
            ( 
            InstancePersistenceContext context,
            InstancePersistenceCommand command,
            SqlWorkflowInstanceStore store,
            SqlWorkflowInstanceStoreLock storeLock, 
            Transaction currentTransaction,
            TimeSpan timeout, 
            AsyncCallback callback, 
            object state
            ) : 
            base(context, command, store, storeLock, currentTransaction, timeout, callback, state)
        {
        }
 
        protected override string ConnectionString
        { 
            get 
            {
                SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder(base.Store.CachedConnectionString); 
                builder.ApplicationName = SqlWorkflowInstanceStore.CommonConnectionPoolName;
                return builder.ToString();
            }
        } 

        protected override void GenerateSqlCommand(SqlCommand sqlCommand) 
        { 
            long surrogateOwnerId = base.StoreLock.SurrogateLockOwnerId;
            double lockTimeout = base.Store.BufferedHostLockRenewalPeriod.TotalSeconds; 

            sqlCommand.Parameters.Add(new SqlParameter { ParameterName = "@surrogateLockOwnerId", SqlDbType = SqlDbType.BigInt, Value = surrogateOwnerId });
            sqlCommand.Parameters.Add(new SqlParameter { ParameterName = "@lockTimeout", SqlDbType = SqlDbType.Int, Value = lockTimeout });
        } 

        protected override string GetSqlCommandText() 
        { 
            return ExtendLockAsyncResult.commandText;
        } 

        protected override CommandType GetSqlCommandType()
        {
            return CommandType.StoredProcedure; 
        }
 
        protected override Exception ProcessSqlResult(SqlDataReader reader) 
        {
            return StoreUtilities.CheckRemainingResultSetForErrors(base.InstancePersistenceCommand.Name, reader); 
        }
    }
}

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

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