public AzureReceiveState(AzureBusReceiverState data, MethodInfo methodInfo,
IServiceBusSerializer serializer, IBrokeredMessage 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 AzureReceiveState(AzureBusReceiverState data, MethodInfo methodInfo,
IServiceBusSerializer serializer, IBrokeredMessage 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;
}
void Configure(ServiceBusEnpointData value) {
SubscriptionDescription desc = null;
bool createNew = false;
try {
logger.Info("CreateSubscription Try {0} ", value.SubscriptionNameDebug);
// First, let's see if a item with the specified name already exists.
verifyRetryPolicy.ExecuteAction(() => {
desc = configurationFactory.NamespaceManager.GetSubscription(topic.Path, value.SubscriptionName);
});
createNew = (desc == null);
}
catch (MessagingEntityNotFoundException) {
logger.Info("CreateSubscription Does Not Exist {0} ", value.SubscriptionNameDebug);
// 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 {0} ", value.SubscriptionNameDebug);
var filter = new SqlFilter(string.Format(AzureSenderReceiverBase.TYPE_HEADER_NAME + " = '{0}'", value.MessageType.FullName.Replace('.', '_')));
retryPolicy.ExecuteAction(() => {
desc = configurationFactory.NamespaceManager.CreateSubscription(descriptionToCreate, filter);
});
}
catch (MessagingEntityAlreadyExistsException) {
logger.Info("CreateSubscription {0} ", value.SubscriptionNameDebug);
// A item under the same name was already created by someone else, perhaps by another instance. Let's just use it.
retryPolicy.ExecuteAction(() => {
desc = configurationFactory.NamespaceManager.GetSubscription(topic.Path, value.SubscriptionName);
});
}
}
ISubscriptionClient subscriptionClient = null;
var rm = ReceiveMode.PeekLock;
if (value.AttributeData != null) {
rm = value.AttributeData.ReceiveMode;
}
retryPolicy.ExecuteAction(() => {
subscriptionClient = configurationFactory.MessageFactory.CreateSubscriptionClient(topic.Path, value.SubscriptionName, rm);
});
if (value.AttributeData != null && value.AttributeData.PrefetchCountSet()) {
subscriptionClient.PrefetchCount = value.AttributeData.PrefetchCount;
}
if (data == null) {
data = new AzureBusReceiverState() {
EndPointData = value,
Client = subscriptionClient
};
}
else {
//we need to clean up the deleted subscription
var oldClient = this.data.Client;
data.Client = subscriptionClient;
//now lets dispose the client.
ExtensionMethods.ExecuteAndReturn(() => {
if (oldClient != null) {
oldClient.Close();
}
});
}
}
void Configure(ServiceBusEnpointData value)
{
SubscriptionDescription desc = null;
bool createNew = false;
try {
logger.Info("CreateSubscription Try {0} ", value.SubscriptionNameDebug);
// First, let's see if a item with the specified name already exists.
verifyRetryPolicy.ExecuteAction(() => {
desc = configurationFactory.NamespaceManager.GetSubscription(topic.Path, value.SubscriptionName);
});
createNew = (desc == null);
}
catch (MessagingEntityNotFoundException) {
logger.Info("CreateSubscription Does Not Exist {0} ", value.SubscriptionNameDebug);
// 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 {0} ", value.SubscriptionNameDebug);
var filter = new SqlFilter(string.Format(AzureSenderReceiverBase.TYPE_HEADER_NAME + " = '{0}'", value.MessageType.FullName.Replace('.', '_')));
retryPolicy.ExecuteAction(() => {
desc = configurationFactory.NamespaceManager.CreateSubscription(descriptionToCreate, filter);
});
}
catch (MessagingEntityAlreadyExistsException) {
logger.Info("CreateSubscription {0} ", value.SubscriptionNameDebug);
// A item under the same name was already created by someone else, perhaps by another instance. Let's just use it.
retryPolicy.ExecuteAction(() => {
desc = configurationFactory.NamespaceManager.GetSubscription(topic.Path, value.SubscriptionName);
});
}
}
ISubscriptionClient subscriptionClient = null;
var rm = ReceiveMode.PeekLock;
if (value.AttributeData != null)
{
rm = value.AttributeData.ReceiveMode;
}
retryPolicy.ExecuteAction(() => {
subscriptionClient = configurationFactory.MessageFactory.CreateSubscriptionClient(topic.Path, value.SubscriptionName, rm);
});
if (value.AttributeData != null && value.AttributeData.PrefetchCountSet())
{
subscriptionClient.PrefetchCount = value.AttributeData.PrefetchCount;
}
if (data == null)
{
data = new AzureBusReceiverState()
{
EndPointData = value,
Client = subscriptionClient
};
}
else
{
//we need to clean up the deleted subscription
var oldClient = data.Client;
data.Client = subscriptionClient;
//now lets dispose the client.
ExtensionMethods.ExecuteAndReturn(() => {
if (oldClient != null)
{
if (!oldClient.IsClosed)
{
oldClient.Close();
}
}
});
}
}
