public void CreateSubscription(ServiceBusEnpointData value) {
//TODO determine how we can change the filters for an existing registered item
logger.Log(LogLevel.Info, "CreateSubscription {0} Declared {1} MessageTytpe {2}, IsReusable {3}", value.SubscriptionName, value.DeclaredType.ToString(), value.MessageType.ToString(), value.IsReusable);
SubscriptionDescription desc = null;
var data = value.MessageType.FullName;
if (!namespaceManager.SubscriptionExists(topic.Path, value.SubscriptionName)) {
logger.Log(LogLevel.Info, "CreateSubscription Creating {0}", value.SubscriptionName);
var filter = new SqlFilter(string.Format(TYPE_HEADER_NAME + " = '{0}'", value.MessageType.FullName.Replace('.', '_')));
Helpers.Execute(() => {
desc = namespaceManager.CreateSubscription(topic.Path, value.SubscriptionName, filter);
});
}
else {
logger.Log(LogLevel.Info, "CreateSubscription Exists {0}", value.SubscriptionName);
desc = namespaceManager.GetSubscription(topic.Path, value.SubscriptionName);
}
SubscriptionClient subscriptionClient = factory.CreateSubscriptionClient(topic.Path, value.SubscriptionName, ReceiveMode.PeekLock);
var state = new AzureBusReceiverState() {
Client = subscriptionClient,
EndPointData = value,
Subscription = desc
};
mappings.Add(state);
Task t = new Task(ProcessMessagesForSubscription, state);
t.Start();
}
public AzureReceiveState(AzureBusReceiverState data, MethodInfo methodInfo,
IServiceBusSerializer serializer, BrokeredMessage message) {
this.Data = data;
this.MethodInfo = methodInfo;
this.Serializer = serializer;
this.Message = message;
}
public void CreateSubscription(ServiceBusEnpointData value) {
Guard.ArgumentNotNull(value, "value");
//TODO determine how we can change the filters for an existing registered item
//ServiceBusNamespaceClient
lock (lockObject) {
logger.Info("CreateSubscription {0} Declared {1} MessageTytpe {2}, IsReusable {3} Custom Attribute {4}",
value.SubscriptionName,
value.DeclaredType.ToString(),
value.MessageType.ToString(),
value.IsReusable,
value.AttributeData != null ? value.AttributeData.ToString() : string.Empty);
logger.Info("TRANSIENT ERROR HANDLING CAN CAUSE THIS CHECK TO TAKE UP TO 10 SECONDS IF THE SUBSCRIPTION DOES NOT EXIST");
SubscriptionDescription desc = null;
bool createNew = false;
try {
logger.Info("CreateSubscription Try {0} ", value.SubscriptionName);
// First, let's see if a item with the specified name already exists.
minimalRetryPolicy.ExecuteAction(() => {
desc = namespaceManager.GetSubscription(topic.Path, value.SubscriptionName);
});
createNew = (topic == null);
}
catch (MessagingEntityNotFoundException) {
logger.Info("CreateSubscription Does Not Exist {0} ", value.SubscriptionName);
// Looks like the item does not exist. We should create a new one.
createNew = true;
}
// If a item with the specified name doesn't exist, it will be auto-created.
if (createNew) {
var descriptionToCreate = new SubscriptionDescription(topic.Path, value.SubscriptionName);
if (value.AttributeData != null) {
var attr = value.AttributeData;
if (attr.DefaultMessageTimeToLiveSet()) {
descriptionToCreate.DefaultMessageTimeToLive = new TimeSpan(0, 0, attr.DefaultMessageTimeToLive);
}
descriptionToCreate.EnableBatchedOperations = attr.EnableBatchedOperations;
descriptionToCreate.EnableDeadLetteringOnMessageExpiration = attr.EnableDeadLetteringOnMessageExpiration;
if (attr.LockDurationSet()) {
descriptionToCreate.LockDuration = new TimeSpan(0, 0, attr.LockDuration);
}
}
try {
logger.Info("CreateSubscription CreateTopic {0} ", value.SubscriptionName);
var filter = new SqlFilter(string.Format(TYPE_HEADER_NAME + " = '{0}'", value.MessageType.FullName.Replace('.', '_')));
retryPolicy.ExecuteAction(() => {
desc = namespaceManager.CreateSubscription(descriptionToCreate, filter);
});
}
catch (MessagingEntityAlreadyExistsException) {
logger.Info("CreateSubscription GetTopic {0} ", value.SubscriptionName);
// A item under the same name was already created by someone else, perhaps by another instance. Let's just use it.
retryPolicy.ExecuteAction(() => {
desc = namespaceManager.GetSubscription(topic.Path, value.SubscriptionName);
});
}
}
SubscriptionClient subscriptionClient = null;
var rm = ReceiveMode.PeekLock;
if (value.AttributeData != null) {
rm = value.AttributeData.ReceiveMode;
}
retryPolicy.ExecuteAction(() => {
subscriptionClient = factory.CreateSubscriptionClient(topic.Path, value.SubscriptionName, rm);
});
if (value.AttributeData != null && value.AttributeData.PrefetchCountSet()) {
subscriptionClient.PrefetchCount = value.AttributeData.PrefetchCount;
}
var state = new AzureBusReceiverState() {
Client = subscriptionClient,
EndPointData = value,
Subscription = desc
};
var helper = new AzureReceiverHelper(retryPolicy, state);
mappings.Add(helper);
helper.ProcessMessagesForSubscription();
} //lock end
}
public AzureReceiveState(AzureBusReceiverState data, MethodInfo methodInfo,
IServiceBusSerializer serializer, BrokeredMessage message) {
Guard.ArgumentNotNull(data, "data");
Guard.ArgumentNotNull(methodInfo, "methodInfo");
Guard.ArgumentNotNull(serializer, "serializer");
Guard.ArgumentNotNull(message, "message");
this.Data = data;
this.MethodInfo = methodInfo;
this.Serializer = serializer;
this.Message = message;
}
public AzureReceiverHelper(RetryPolicy retryPolicy, AzureBusReceiverState data) {
this.retryPolicy = retryPolicy;
this.data = data;
}
