private static void SpecifyRetryStrategiesInCode()
{
// Define your retry strategy: retry 5 times, starting 1 second apart
// and adding 2 seconds to the interval each retry.
var retryStrategy = new Incremental(5, TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(2));
// Define your retry policy using the retry strategy and the Windows Azure storage
// transient fault detection strategy.
var retryPolicy = new RetryPolicy<StorageTransientErrorDetectionStrategy>(retryStrategy);
// Receive notifications about retries.
retryPolicy.Retrying += (sender, args) =>
{
// Log details of the retry.
var msg = String.Format("Retry - Count:{0}, Delay:{1}, Exception:{2}",
args.CurrentRetryCount, args.Delay, args.LastException);
Trace.WriteLine(msg, "Information");
};
try
{
var queue = Queue.GetQueueReference("orders");
// Do some work that may result in a transient fault.
retryPolicy.ExecuteAction(
() =>
{
// Call a method that uses Windows Azure storage and which may
// throw a transient exception.
queue.CreateIfNotExists();
});
}
catch (Exception)
{
// All the retries failed.
}
}
public ApiDownloaderService()
{
var retryStrategy = new Incremental(5, TimeSpan.FromSeconds(1), TimeSpan.FromSeconds(2));
_retryPolicy = new RetryPolicy<BGGTransientErrorDetectionStrategy>(retryStrategy);
}
public void Initialize()
{
var retryStrategy = new Incremental(3, TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1));
var retryPolicy = new RetryPolicy<ServiceBusTransientErrorDetectionStrategy>(retryStrategy);
var namespaceManager = NamespaceManager.CreateFromConnectionString(settings.ConnectionString);
this.settings.Topics.AsParallel().ForAll(topic =>
{
retryPolicy.ExecuteAction(() => CreateTopicIfNotExists(namespaceManager, topic));
topic.Subscriptions.AsParallel().ForAll(subscription =>
{
retryPolicy.ExecuteAction(() => CreateSubscriptionIfNotExists(namespaceManager, topic, subscription));
retryPolicy.ExecuteAction(() => UpdateRules(namespaceManager, this.settings.ConnectionString, topic, subscription));
});
});
// Execute migration support actions only after all the previous ones have been completed.
foreach (var topic in this.settings.Topics)
{
foreach (var action in topic.MigrationSupport)
{
retryPolicy.ExecuteAction(() => UpdateSubscriptionIfExists(namespaceManager, this.settings.ConnectionString, topic, action));
}
}
this.initialized = true;
}
