public SimpleTrackingChannel(TrackingParameters parameters)
{
trackingParameters = parameters;
trackingDataFile = TrackingDataFilePrefix + parameters.InstanceId.ToString() + ".txt";
Console.WriteLine("Saving tracking information to " + trackingDataFile);
streamWriter = File.CreateText(trackingDataFile);
streamWriter.AutoFlush = true;
}
/// <summary>
/// Construct a <see cref="GenericTrackingChannel" /> using
/// the specified <see cref="IResourceProvider" /> for providing
/// resources necessary for manipulating the underlying persistence store.
/// </summary>
/// <param name="resourceProvider">
/// A <see cref="IResourceProvider" /> responsible for providing
/// resources necessary for manipulating the underlying persistence store.
/// </param>
/// <param name="trackingParameters">
/// <see cref="TrackingParameters" /> from the <see cref="TrackingService" />.
/// </param>
protected GenericTrackingChannel(IResourceProvider resourceProvider, TrackingParameters trackingParameters)
{
if (resourceProvider == null)
throw new ArgumentNullException("resourceProvider");
if (trackingParameters == null)
throw new ArgumentNullException("trackingParameters");
this.resourceProvider = resourceProvider;
this.trackingParameters = trackingParameters;
}
/// <summary>
/// Create an instance of the <see cref="AdoTrackingChannel" />
/// with the specified <see cref="IAdoResourceProvider" />, <see cref="ITrackingNameResolver" />
/// and <see cref="IAdoValueReader" />.
/// </summary>
/// <param name="resourceProvider">
/// An <see cref="IAdoResourceProvider" /> that provides resources
/// for manipulating the underlying tracking store.
/// </param>
/// <param name="valueReader">
/// An <see cref="IAdoValueReader" /> that is responsible for
/// reading values from the underlying tracking store.
/// </param>
/// <param name="nameResolver">
/// An <see cref="ITrackingNameResolver" /> that is responsible for
/// resolving names for the underlying tracking store.
/// </param>
/// <param name="trackingParameters">
/// <see cref="TrackingParameters" /> from the <see cref="TrackingService" />.
/// </param>
public AdoTrackingChannel(IAdoResourceProvider resourceProvider,
IAdoValueReader valueReader, ITrackingNameResolver nameResolver,
TrackingParameters trackingParameters) : base(resourceProvider,
trackingParameters)
{
if (valueReader == null)
throw new ArgumentNullException("valueReader");
if (nameResolver == null)
throw new ArgumentNullException("nameResolver");
this.valueReader = valueReader;
this.nameResolver = nameResolver;
}
internal void ReloadProfiles(WorkflowExecutor exec, Guid instanceId, ref TrackingListenerBroker broker, ref List<TrackingChannelWrapper> channels)
{
Type workflowType = exec.WorkflowDefinition.GetType();
foreach (TrackingService service in this._services)
{
TrackingProfile profile = null;
TrackingChannelWrapper wrapper = null;
if (service.TryReloadProfile(workflowType, instanceId, out profile))
{
bool flag = false;
int index = 0;
while (index < channels.Count)
{
if (service.GetType() == channels[index].TrackingServiceType)
{
wrapper = channels[index];
flag = true;
break;
}
index++;
}
if (profile == null)
{
if (flag)
{
broker.RemoveService(wrapper.TrackingServiceType);
channels.RemoveAt(index);
}
}
else
{
RTTrackingProfile profile2 = new RTTrackingProfile(profile, exec.WorkflowDefinition, workflowType) {
IsPrivate = true
};
if (!flag)
{
List<string> callPath = null;
Guid empty = Guid.Empty;
TrackingCallingState trackingCallingState = exec.TrackingCallingState;
IList<string> collection = null;
Guid context = this.GetContext(exec.RootActivity);
Guid callerContextGuid = Guid.Empty;
Guid callerParentContextGuid = Guid.Empty;
if (trackingCallingState != null)
{
collection = trackingCallingState.CallerActivityPathProxy;
if ((collection != null) && (collection.Count > 0))
{
callPath = new List<string>(collection);
empty = trackingCallingState.CallerWorkflowInstanceId;
callerContextGuid = trackingCallingState.CallerContextGuid;
callerParentContextGuid = trackingCallingState.CallerParentContextGuid;
}
}
TrackingParameters parameters = new TrackingParameters(instanceId, workflowType, exec.WorkflowDefinition, callPath, empty, context, callerContextGuid, callerParentContextGuid);
TrackingChannelWrapper item = new TrackingChannelWrapper(service.GetTrackingChannel(parameters), service.GetType(), workflowType, profile2);
channels.Add(item);
Type type = service.GetType();
broker.AddService(type, profile2.Version);
broker.MakeProfileInstance(type);
}
else
{
wrapper.SetTrackingProfile(profile2);
broker.MakeProfileInstance(wrapper.TrackingServiceType);
}
}
}
}
}
protected override TrackingChannel GetTrackingChannel(TrackingParameters parameters)
{
return new Budget2TrackingChannel(parameters);
}
public Budget2TrackingChannel(TrackingParameters parameters)
{
_parameters = parameters;
}
protected internal abstract TrackingChannel GetTrackingChannel(TrackingParameters parameters);
/// <summary>
/// Returns a tracking channel that will receive instnce terminated events.
/// </summary>
protected override TrackingChannel GetTrackingChannel(TrackingParameters parameters)
{
return new TerminationTrackingChannel(parameters, source);
}
protected override TrackingChannel GetTrackingChannel(TrackingParameters parameters)
{
// Returns the channel that the runtime tracking infrastructure uses
// to send tracking records to the tracking service.
// For this sample a channel is returned that dumps the tracking record
// to the command window using Console.WriteLine().
return new TrackingChannelSample(parameters);
}
protected override TrackingChannel GetTrackingChannel(TrackingParameters parameters)
{
//return a tracking channel to receive runtime events
return new TrackingChannelSample(parameters);
}
public LoggerTrackingChannel(TrackingParameters parameters, Logging.ILogger logger)
{
m_Logger = logger;
m_Parameters = parameters;
}
///<summary>
///Must be overridden in the derived class, and when implemented, returns the channel that the runtime tracking infrastructure uses to send tracking records to the tracking service.
///</summary>
///
///<returns>
///The <see cref="T:System.Workflow.Runtime.Tracking.TrackingChannel"></see> that is used to send tracking records to the tracking service.
///</returns>
///
///<param name="parameters">The <see cref="T:System.Workflow.Runtime.Tracking.TrackingParameters"></see> associated with the workflow instance.</param>
protected override TrackingChannel GetTrackingChannel(TrackingParameters parameters)
{
IAdoResourceProvider resourceProvider = ResourceProvider as IAdoResourceProvider;
if (resourceProvider == null)
throw new ArgumentException(RM.Get_Error_NotIAdoResourceProvider());
return new AdoTrackingChannel(resourceProvider, valueReader, nameResolver, parameters);
}
protected override TrackingChannel GetTrackingChannel(TrackingParameters parameters)
{
throw new NotImplementedException();
}
public TerminationTrackingChannel(TrackingParameters parameters, string source)
{
if (null == parameters)
throw new ArgumentNullException("parameters");
if (null == source)
throw new ArgumentNullException("source");
if (0 == source.Length)
throw new ArgumentException("EventSource cannot be null or empty.", "source");
sourceValue = source;
parametersValue = parameters;
}
private List<TrackingChannelWrapper> GetChannels(Activity schedule, WorkflowExecutor exec, Guid instanceID, Type workflowType, ref TrackingListenerBroker broker)
{
if (this._services == null)
{
return null;
}
bool flag = false;
if (broker == null)
{
broker = new TrackingListenerBroker();
flag = true;
}
List<TrackingChannelWrapper> list = new List<TrackingChannelWrapper>();
List<string> callPath = null;
Guid empty = Guid.Empty;
Guid context = this.GetContext(exec.RootActivity);
Guid callerContextGuid = Guid.Empty;
Guid callerParentContextGuid = Guid.Empty;
TrackingCallingState trackingCallingState = exec.TrackingCallingState;
TrackingListenerBroker broker1 = (TrackingListenerBroker) exec.RootActivity.GetValue(WorkflowExecutor.TrackingListenerBrokerProperty);
IList<string> collection = (trackingCallingState != null) ? trackingCallingState.CallerActivityPathProxy : null;
if ((collection != null) && (collection.Count > 0))
{
callPath = new List<string>(collection);
empty = trackingCallingState.CallerWorkflowInstanceId;
callerContextGuid = trackingCallingState.CallerContextGuid;
callerParentContextGuid = trackingCallingState.CallerParentContextGuid;
}
TrackingParameters parameters = new TrackingParameters(instanceID, workflowType, exec.WorkflowDefinition, callPath, empty, context, callerContextGuid, callerParentContextGuid);
for (int i = 0; i < this._services.Count; i++)
{
TrackingChannel trackingChannel = null;
Type trackingServiceType = this._services[i].GetType();
RTTrackingProfile profile = null;
if (flag)
{
profile = this._profileManager.GetProfile(this._services[i], schedule);
if (profile == null)
{
continue;
}
broker.AddService(trackingServiceType, profile.Version);
}
else
{
if (!broker.ContainsService(trackingServiceType))
{
continue;
}
if (broker.IsProfileInstance(trackingServiceType))
{
profile = this._profileManager.GetProfile(this._services[i], schedule, instanceID);
if (profile == null)
{
throw new InvalidOperationException(ExecutionStringManager.MissingProfileForService + trackingServiceType.ToString());
}
profile.IsPrivate = true;
}
else
{
Version version;
if (!broker.TryGetProfileVersionId(trackingServiceType, out version))
{
continue;
}
profile = this._profileManager.GetProfile(this._services[i], schedule, version);
if (profile == null)
{
throw new InvalidOperationException(ExecutionStringManager.MissingProfileForService + trackingServiceType.ToString() + ExecutionStringManager.MissingProfileForVersion + version.ToString());
}
if (broker.IsProfilePrivate(trackingServiceType))
{
profile = profile.Clone();
profile.IsPrivate = true;
}
}
}
trackingChannel = this._services[i].GetTrackingChannel(parameters);
if (trackingChannel == null)
{
throw new InvalidOperationException(ExecutionStringManager.NullChannel);
}
list.Add(new TrackingChannelWrapper(trackingChannel, this._services[i].GetType(), workflowType, profile));
}
return list;
}
public TrackingChannelSample(TrackingParameters parameters)
{
this.parameters = parameters;
}
protected internal abstract TrackingChannel GetTrackingChannel(TrackingParameters parameters);
protected override TrackingChannel GetTrackingChannel(TrackingParameters parameters)
{
//return a tracking channel to receive runtime events
return new Workflows.LoggerTrackingChannel(parameters, m_Logger);
}
