protected ComponentAccessor(
string componentName,
IComponentService component,
ApplicationConfiguration configuration)
{
ComponentName = componentName;
ComponentType = configuration.GetComponentType(componentName);
this.component = component;
ConfigurationReduction = new XmlReduction();
}
/// <summary>
/// Gets a configuration reduced with given reduction.
/// </summary>
/// <param name="reduction">a filter to select only parts of the
/// configuration</param>
/// <returns>reduced configuration</returns>
public ApplicationConfiguration GetReducedConfiguration(XmlReduction reduction)
{
XDocument reducedContent = reduction.GetReducedXml(Content);
var result = new ApplicationConfiguration(reducedContent);
return result;
}
public ApplicationConfiguration GetConfiguration(XmlReduction reduction)
{
ApplicationConfiguration config = GetConfiguration();
ApplicationConfiguration result = config.GetReducedConfiguration(reduction);
return result;
}
public Gateway()
{
ConfigurationReduction = new XmlReduction();
waitingResultMessageHandlers = new ConcurrentDictionary<Guid, ResultHandlingInfo>();
}
public void Start(string componentName, IBrokerServiceForProcessor brokerService)
{
Name = componentName;
BrokerService = brokerService;
ConfigReduction = new XmlReduction();
Configuration = BrokerService.GetConfiguration(ConfigReduction);
tokensCount = 0;
tokensFinishedEvent = new ManualResetEvent(true);
tokensToProcess = new BlockingCollection<Token>(new ConcurrentQueue<Token>());
isStopping = false;
#region Create and start concurrentProcessors
int concurrentThreadsCount = Configuration.GetConcurrentThreadsCountForProcessor(Name);
// NOTE: an exception from inicialization should stop the XRouter service
CreateMessageFlowInstances(concurrentThreadsCount);
concurrentProcessors = new ConcurrentBag<SingleThreadProcessor>();
for (int i = 0; i < concurrentThreadsCount; i++) {
// NOTE: it is essential to copy the index variable
// to prevent using a closure
int processorIndex = i;
// NOTE: exceptions there do not stop the XRouter service
Task.Factory.StartNew(TraceLog.WrapWithExceptionLogging(
delegate{
SingleThreadProcessor processor = new SingleThreadProcessor(
tokensToProcess, this, messageFlows[processorIndex]);
concurrentProcessors.Add(processor);
processor.Run();
}),
TaskCreationOptions.LongRunning);
}
#endregion
}
