/// <summary>
/// Serialise a <see cref="WorkflowTrackingRecord" /> ready for persistence.
/// </summary>
/// <param name="workflowTrackingRecord">
/// The original <see cref="WorkflowTrackingRecord" /> to serialise.
/// </param>
/// <returns>
/// A <see cref="SerialisableWorkflowTrackingRecord" /> containing a serialised
/// copy of the <see cref="WorkflowTrackingRecord" />.
/// </returns>
private static SerialisableWorkflowTrackingRecord buildSerialisableWorkflowTrackingRecord(WorkflowTrackingRecord workflowTrackingRecord)
{
SerialisableWorkflowTrackingRecord serialisableWorkflowTrackingRecord = new SerialisableWorkflowTrackingRecord();
serialisableWorkflowTrackingRecord.Annotations.AddRange(workflowTrackingRecord.Annotations);
serialisableWorkflowTrackingRecord.EventDateTime = workflowTrackingRecord.EventDateTime;
serialisableWorkflowTrackingRecord.EventOrder = workflowTrackingRecord.EventOrder;
serialisableWorkflowTrackingRecord.TrackingWorkflowEvent = workflowTrackingRecord.TrackingWorkflowEvent;
if (workflowTrackingRecord.EventArgs != null)
{
serialisableWorkflowTrackingRecord.EventArgs = buildSerialisableData(workflowTrackingRecord.EventArgs);
if (serialisableWorkflowTrackingRecord.EventArgs.NonSerialisable)
{
// if this is a termination or other exception event then
// we need to get the exception details to trace what happened...
Exception workflowException = null;
switch (workflowTrackingRecord.TrackingWorkflowEvent)
{
case TrackingWorkflowEvent.Terminated:
workflowException = ((TrackingWorkflowTerminatedEventArgs)
workflowTrackingRecord.EventArgs).Exception;
break;
case TrackingWorkflowEvent.Exception:
workflowException = ((TrackingWorkflowExceptionEventArgs)
workflowTrackingRecord.EventArgs).Exception;
break;
}
if (workflowException != null)
{
serialisableWorkflowTrackingRecord.EventArgs =
buildSerialisableData(workflowException.ToString());
}
}
}
return(serialisableWorkflowTrackingRecord);
}
/// <summary>
/// Inserts a batch of workflow tracking records, returning them
/// as an <see cref="IDictionary{TKey,TValue}" /> indexed by their
/// unique identifiers.
/// </summary>
/// <param name="workflowInstanceSummary">
/// A <see cref="WorkflowInstanceSummary" /> representing a workflow instance
/// aInt64 with all its type information.
/// </param>
/// <param name="workflowTrackingRecords">
/// An <see cref="IList{T}" /> containing a batch of workflow tracking
/// records to be inserted into the tracking store.
/// </param>
/// <returns>
/// An <see cref="IDictionary{TKey,TValue}" /> containing the inserted
/// records and indexed by their unique identifiers.
/// </returns>
protected override IDictionary <Int64, SerialisableWorkflowTrackingRecord> InsertWorkflowTrackingRecordBatch(
WorkflowInstanceSummary workflowInstanceSummary, IList <SerialisableWorkflowTrackingRecord> workflowTrackingRecords)
{
if (workflowTrackingRecords.Count == 0 || workflowTrackingRecords.Count > WorkflowTrackingBatchSize)
{
throw new ArgumentOutOfRangeException("workflowTrackingRecords");
}
Dictionary <Int64, SerialisableWorkflowTrackingRecord> workflowTrackingRecordsById =
new Dictionary <Int64, SerialisableWorkflowTrackingRecord>();
using (OracleCommand oracleCommand = (OracleCommand)CreateCommand("WORKFLOW_TRACKING_PKG.InsertWorkflowTrackingRecord", CommandType.StoredProcedure))
{
Int64[] workflowInstanceIds = new Int64[workflowTrackingRecords.Count];
Int16[] statusIds = new Int16[workflowTrackingRecords.Count];
DateTime[] eventDateTimes = new DateTime[workflowTrackingRecords.Count];
Int32[] eventOrders = new Int32[workflowTrackingRecords.Count];
String[] eventArgTypeNames = new String[workflowTrackingRecords.Count];
String[] eventArgAssemblyNames = new String[workflowTrackingRecords.Count];
Byte[][] eventArgs = new Byte[workflowTrackingRecords.Count][];
for (Int32 i = 0; i < workflowTrackingRecords.Count; i++)
{
SerialisableWorkflowTrackingRecord workflowTrackingRecord = workflowTrackingRecords[i];
workflowInstanceIds[i] = (Int64)workflowInstanceSummary.InternalId;
statusIds[i] = (Int16)workflowTrackingRecord.TrackingWorkflowEvent;
eventDateTimes[i] = workflowTrackingRecord.EventDateTime;
eventOrders[i] = workflowTrackingRecord.EventOrder;
if (workflowTrackingRecord.EventArgs != null)
{
eventArgTypeNames[i] = workflowTrackingRecord.EventArgs.Type.FullName;
eventArgAssemblyNames[i] = workflowTrackingRecord.EventArgs.Type.Assembly.FullName;
eventArgs[i] = workflowTrackingRecord.EventArgs.SerialisedData;
}
}
oracleCommand.ArrayBindCount = workflowTrackingRecords.Count;
AddParameter(oracleCommand, "p_WORKFLOW_INSTANCE_ID", workflowInstanceIds, AdoDbType.Int64);
AddParameter(oracleCommand, "p_WORKFLOW_INSTANCE_STATUS", statusIds, AdoDbType.Int16);
AddParameter(oracleCommand, "p_EVENT_DATE_TIME", eventDateTimes, AdoDbType.DateTime);
AddParameter(oracleCommand, "p_EVENT_ORDER", eventOrders, AdoDbType.Int32);
AddParameter(oracleCommand, "p_EVENT_ARG_TYPE_NAME", eventArgTypeNames, AdoDbType.String);
AddParameter(oracleCommand, "p_EVENT_ARG_ASSEMBLY_NAME", eventArgAssemblyNames, AdoDbType.String);
AddParameter(oracleCommand, "p_EVENT_ARG", eventArgs, AdoDbType.Binary);
OracleParameter workflowEventId = (OracleParameter)AddParameter(
oracleCommand, "p_WORKFLOW_INSTANCE_EVENT_ID", AdoDbType.Int64,
ParameterDirection.Output);
oracleCommand.ExecuteNonQuery();
Int64[] workflowEventIds = (Int64[])workflowEventId.Value;
for (Int32 i = 0; i < workflowTrackingRecords.Count; i++)
{
workflowTrackingRecordsById.Add(workflowEventIds[i], workflowTrackingRecords[i]);
}
}
return(workflowTrackingRecordsById);
}
///<summary>
///Commits the list of work items by using the specified <see cref="T:System.Transactions.Transaction"></see> object.
///</summary>
///
///<param name="items">The work items to be committed.</param>
///<param name="transaction">The <see cref="T:System.Transactions.Transaction"></see> associated with the pending work.</param>
public void Commit(Transaction transaction, ICollection items)
{
TraceHelper.Trace();
try
{
using (ITrackingChannelResourceAccessor resourceAccessor = CreateAccessor(resourceProvider, transaction))
{
if (this.workflowInstanceSummary == null)
{
this.workflowInstanceSummary = resourceAccessor.InsertOrGetWorkflowInstance(buildWorkflowInstanceSummary());
}
List <SerialisableActivityTrackingRecord> activityTrackingRecords = new List <SerialisableActivityTrackingRecord>();
List <SerialisableUserTrackingRecord> userTrackingRecords = new List <SerialisableUserTrackingRecord>();
List <SerialisableWorkflowChangeRecord> workflowChangeRecords = new List <SerialisableWorkflowChangeRecord>();
List <SerialisableWorkflowTrackingRecord> workflowTrackingRecords = new List <SerialisableWorkflowTrackingRecord>();
// group each type of tracking record ready for processing
foreach (object itemToCommit in items)
{
if (!(itemToCommit is TrackingRecord))
{
continue;
}
SerialisableActivityTrackingRecord activityTrackingRecord = itemToCommit as SerialisableActivityTrackingRecord;
if (activityTrackingRecord != null)
{
activityTrackingRecords.Add(activityTrackingRecord);
continue;
}
SerialisableUserTrackingRecord userTrackingRecord = itemToCommit as SerialisableUserTrackingRecord;
if (userTrackingRecord != null)
{
userTrackingRecords.Add(userTrackingRecord);
continue;
}
SerialisableWorkflowChangeRecord workflowChangeRecord = itemToCommit as SerialisableWorkflowChangeRecord;
if (workflowChangeRecord != null)
{
workflowChangeRecords.Add(workflowChangeRecord);
continue;
}
SerialisableWorkflowTrackingRecord workflowTrackingRecord = itemToCommit as SerialisableWorkflowTrackingRecord;
if (workflowTrackingRecord != null)
{
workflowTrackingRecords.Add(workflowTrackingRecord);
continue;
}
}
// send each category of record off to the resource accessor
if (activityTrackingRecords.Count > 0)
{
resourceAccessor.InsertTrackingRecords(this.workflowInstanceSummary, activityTrackingRecords);
}
if (userTrackingRecords.Count > 0)
{
resourceAccessor.InsertTrackingRecords(this.workflowInstanceSummary, userTrackingRecords);
}
if (workflowTrackingRecords.Count > 0)
{
resourceAccessor.InsertTrackingRecords(this.workflowInstanceSummary, workflowTrackingRecords);
}
if (workflowChangeRecords.Count > 0)
{
resourceAccessor.InsertTrackingRecords(this.workflowInstanceSummary, workflowChangeRecords);
}
}
}
catch (Exception e)
{
string errorMessage = RM.Get_Error_TrackingChannelException(e.ToString());
TraceHelper.Trace(errorMessage);
throw new TrackingException(errorMessage, e);
}
}
