public void StartWorkers()
{
var assembly = System.Reflection.Assembly.GetEntryAssembly();
// find all classes with CustomAttribute [ExternalTask("name")]
var externalTaskWorkers =
// from assembly in AppDomain.CurrentDomain.GetAssemblies()
from t in assembly.GetTypes()
let attributes = t.GetCustomAttributes(typeof(ExternalTaskTopic), true)
where attributes != null && attributes.Length > 0
select new { Type = t, Attributes = attributes.Cast <ExternalTaskTopic>() };
foreach (var taskWorker in externalTaskWorkers)
{
var workerTopicName = taskWorker.Attributes.FirstOrDefault().TopicName;
var retries = taskWorker.Attributes.FirstOrDefault().Retries;
var retryTimeout = taskWorker.Attributes.FirstOrDefault().RetryTimeout;
string[] variablesToFetch = null;
var variableRequirements = taskWorker.Type.GetCustomAttributes(typeof(ExternalTaskVariableRequirements), true)
.FirstOrDefault() as ExternalTaskVariableRequirements;
if (variableRequirements != null)
{
variablesToFetch = variableRequirements.VariablesToFetch;
}
var constructor = taskWorker.Type.GetConstructor(Type.EmptyTypes);
IExternalTaskAdapter adapter = (IExternalTaskAdapter)constructor.Invoke(null);
// Now register it!
Console.WriteLine("Register Task Worker for Topic '" + workerTopicName + "'");
ExternalTaskWorker worker = new ExternalTaskWorker(ExternalTaskService(), adapter, workerTopicName, retries, retryTimeout, variablesToFetch);
workers.Add(worker);
worker.StartWork();
}
}
public ExternalTaskWorker(ExternalTaskService service, IExternalTaskAdapter adapter, String topicName, int retries, long retryTimeout, String[] variablesToFetch)
{
this.adapter = adapter;
this.topicName = topicName;
this.variablesToFetch = variablesToFetch;
this.service = service;
this.retries = retries;
this.retryTimeout = retryTimeout;
}
