82 lines
3.0 KiB
C#
82 lines
3.0 KiB
C#
//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.Activities.DurableInstancing
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{
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using System.Data;
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using System.Data.SqlClient;
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using System.Globalization;
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using System.Runtime.DurableInstancing;
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using System.Transactions;
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using System.Xml.Linq;
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using System.Runtime;
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class DetectActivatableWorkflowsAsyncResult : SqlWorkflowInstanceStoreAsyncResult
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{
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static readonly string commandText = string.Format(CultureInfo.InvariantCulture, "{0}.[GetActivatableWorkflowsActivationParameters]", SqlWorkflowInstanceStoreConstants.DefaultSchema);
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public DetectActivatableWorkflowsAsyncResult
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(
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InstancePersistenceContext context,
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InstancePersistenceCommand command,
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SqlWorkflowInstanceStore store,
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SqlWorkflowInstanceStoreLock storeLock,
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Transaction currentTransaction,
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TimeSpan timeout,
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AsyncCallback callback,
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object state
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) :
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base(context, command, store, storeLock, currentTransaction, timeout, callback, state)
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{
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}
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protected override string ConnectionString
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{
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get
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{
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SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder(base.Store.CachedConnectionString);
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builder.ApplicationName = SqlWorkflowInstanceStore.CommonConnectionPoolName;
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return builder.ToString();
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}
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}
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protected override void GenerateSqlCommand(SqlCommand sqlCommand)
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{
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sqlCommand.Parameters.Add(new SqlParameter { ParameterName = "@machineName", SqlDbType = SqlDbType.NVarChar, Value = SqlWorkflowInstanceStoreConstants.MachineName });
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}
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protected override string GetSqlCommandText()
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{
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return DetectActivatableWorkflowsAsyncResult.commandText;
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}
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protected override CommandType GetSqlCommandType()
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{
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return CommandType.StoredProcedure;
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}
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protected override Exception ProcessSqlResult(SqlDataReader reader)
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{
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Exception exception = StoreUtilities.GetNextResultSet(base.InstancePersistenceCommand.Name, reader);
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if (exception == null)
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{
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bool signalEvent = false;
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reader.NextResult();
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signalEvent = reader.Read(); //The result set contains activatable workflows
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if (signalEvent)
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{
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base.Store.UpdateEventStatus(true, HasActivatableWorkflowEvent.Value);
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}
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else
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{
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base.Store.UpdateEventStatus(false, HasActivatableWorkflowEvent.Value);
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base.StoreLock.InstanceDetectionTask.ResetTimer(false);
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}
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}
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return exception;
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}
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}
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}
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