public MessageTypeMessagingEntityMappingDetails(Type messageType, string path, MessagingEntityType messagingEntityType, MessagingEntityCreationOptions creationOptions, MessageReceiveMode receiveMode)
{
_messageType = messageType;
_path = path;
_messagingEntityType = messagingEntityType;
_creationOptions = creationOptions;
_receiveMode = receiveMode;
}
private void EnsureMessagingEntityExists(MessageTypeMessagingEntityMappingDetails mappingDetails, IEnumerable <MessageTypeMessagingEntityMappingDetails> allMessageTypePathMappings)
{
MessagingEntityCreationOptions creationOptions = mappingDetails.CreationOptions;
if (creationOptions != MessagingEntityCreationOptions.None
&&
!_verifiedExistingMessagingEntities.Contains(mappingDetails))
{
Func <bool> exists;
Action create;
Action delete;
string path = mappingDetails.Path;
switch (mappingDetails.MessagingEntityType)
{
case MessagingEntityType.Queue:
exists = () => _namespaceManager.QueueExists(path);
create = () => _namespaceManager.CreateQueue(path);
delete = () => _namespaceManager.DeleteQueue(path);
break;
case MessagingEntityType.Topic:
exists = () => _namespaceManager.TopicExists(path);
create = () => _namespaceManager.CreateTopic(path);
delete = () => _namespaceManager.DeleteTopic(path);
break;
case MessagingEntityType.Subscription:
string[] parts = path.Split('/');
string topicPath = parts[0];
string subscriptionName = parts[2];
exists = () => _namespaceManager.SubscriptionExists(topicPath, subscriptionName);
create = () =>
{
MessageTypeMessagingEntityMappingDetails topicMessageTypePathMapping = allMessageTypePathMappings.FirstOrDefault(mtpmd => mtpmd.MessagingEntityType == MessagingEntityType.Topic && mtpmd.Path == topicPath);
if (topicMessageTypePathMapping == null)
{
topicMessageTypePathMapping = new MessageTypeMessagingEntityMappingDetails(mappingDetails.MessageType, topicPath, MessagingEntityType.Topic, MessagingEntityCreationOptions.VerifyAlreadyExists);
}
EnsureMessagingEntityExists(topicMessageTypePathMapping, allMessageTypePathMappings);
_namespaceManager.CreateSubscription(topicPath, subscriptionName);
};
delete = () => _namespaceManager.DeleteSubscription(topicPath, subscriptionName);
break;
default:
throw new NotSupportedException(string.Format("Unsupported messaging entity type, {0}, requested for creation (path {1}).", mappingDetails.MessagingEntityType, mappingDetails.Path));
}
bool alreadyExists = exists();
if (alreadyExists)
{
if ((creationOptions & MessagingEntityCreationOptions.CreateAsTemporary) != 0)
{
if ((creationOptions & MessagingEntityCreationOptions.RecreateExistingTemporary) == 0)
{
throw new MessagingEntityAlreadyExistsException(mappingDetails.Path, mappingDetails.MessagingEntityType);
}
try
{
delete();
alreadyExists = false;
}
catch (UnauthorizedAccessException exception)
{
throw new UnauthorizedAccessException(string.Format("Unable to delete temporary messaging that already exists at path \"{0}\" due to insufficient access. Make sure the policy being used has 'Manage' permission for the namespace.", mappingDetails.Path), exception);
}
}
}
if (!alreadyExists)
{
if ((creationOptions & (MessagingEntityCreationOptions.CreateIfDoesntExist | MessagingEntityCreationOptions.CreateAsTemporary)) == 0)
{
throw new MessagingEntityDoesNotAlreadyExistException(mappingDetails.Path, mappingDetails.MessagingEntityType);
}
try
{
create();
}
catch (UnauthorizedAccessException exception)
{
throw new UnauthorizedAccessException(string.Format("Unable to create messaging entity at path \"{0}\" due to insufficient access. Make sure the policy being used has 'Manage' permission for the namespace.", mappingDetails.Path), exception);
}
}
_verifiedExistingMessagingEntities.Add(mappingDetails);
}
}
public MessageTypeMessagingEntityMappingDetails(Type messageType, string path, MessagingEntityType messagingEntityType, MessagingEntityCreationOptions creationOptions)
: this(messageType, path, messagingEntityType, creationOptions, MessageReceiveMode.ReceiveAndDelete)
{
}
public ICanSpecifyAzureServiceBusMessagingEntity <TMessage, TCommand, TEvent, TRequest, TResponse> UsingSubscriptionFor <T>(string topicPath, string subscriptionName, MessageReceiveMode receiveMode, MessagingEntityCreationOptions creationOptions) where T : class, TMessage
{
AddMessageTypePathMapping(new MessageTypeMessagingEntityMappingDetails(typeof(T), topicPath + "/subscriptions/" + subscriptionName, MessagingEntityType.Subscription, creationOptions, receiveMode));
return(this);
}
public ICanSpecifyAzureServiceBusMessagingEntity <TMessage, TCommand, TEvent, TRequest, TResponse> UsingSubscriptionFor <T>(string topicPath, string subscriptionName, MessagingEntityCreationOptions creationOptions) where T : class, TMessage
{
return(UsingSubscriptionFor <T>(topicPath, subscriptionName, MessageReceiveMode.ReceiveAndDelete, creationOptions));
}
public ICanSpecifyAzureServiceBusMessagingEntity <TMessage, TCommand, TEvent, TRequest, TResponse> UsingTopicFor <T>(string topicPath, MessagingEntityCreationOptions creationOptions) where T : class, TMessage
{
AddMessageTypePathMapping(new MessageTypeMessagingEntityMappingDetails(typeof(T), topicPath, MessagingEntityType.Topic, creationOptions));
return(this);
}
public ICanSpecifyAzureServiceBusMessagingEntity <TMessage, TCommand, TEvent, TRequest, TResponse> UsingQueueFor <T>(string queuePath, MessageReceiveMode receiveMode, MessagingEntityCreationOptions creationOptions) where T : class, TMessage
{
AddMessageTypePathMapping(new MessageTypeMessagingEntityMappingDetails(typeof(T), queuePath, MessagingEntityType.Queue, creationOptions, receiveMode));
return(this);
}
public ICanSpecifyAzureServiceBusMessagingEntity <TMessage, TCommand, TEvent, TRequest, TResponse> UsingQueueFor <T>(string queuePath, MessagingEntityCreationOptions creationOptions) where T : class, TMessage
{
return(UsingQueueFor <T>(queuePath, MessageReceiveMode.ReceiveAndDelete, creationOptions));
}
