public override Collection <Attribute> GetAttributes()
{
Collection <Attribute> attributes = new Collection <Attribute>();
string queueName = Context.GetMetadataValue <string>("queueName");
Attribute attribute = null;
if (Context.IsTrigger)
{
attribute = new QueueTriggerAttribute(queueName);
}
else
{
attribute = new QueueAttribute(queueName);
}
attributes.Add(attribute);
var connectionProvider = (IConnectionProvider)attribute;
string connection = Context.GetMetadataValue <string>("connection");
if (!string.IsNullOrEmpty(connection))
{
connectionProvider.Connection = connection;
}
return(attributes);
}
public async Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
QueueTriggerAttribute queueTrigger = parameter.GetCustomAttribute <QueueTriggerAttribute>(inherit: false);
if (queueTrigger == null)
{
return(null);
}
string queueName = Resolve(queueTrigger.QueueName);
queueName = NormalizeAndValidate(queueName);
ITriggerDataArgumentBinding <IStorageQueueMessage> argumentBinding = _innerProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException(
"Can't bind QueueTrigger to type '" + parameter.ParameterType + "'.");
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.CancellationToken);
IStorageQueueClient client = account.CreateQueueClient();
IStorageQueue queue = client.GetQueueReference(queueName);
ITriggerBinding binding = new QueueTriggerBinding(parameter.Name, queue, argumentBinding,
_queueConfiguration, _backgroundExceptionDispatcher, _messageEnqueuedWatcherSetter,
_sharedContextProvider, _log);
return(binding);
}
public void GenerateQueueTriggerFunction()
{
QueueBindingMetadata trigger = new QueueBindingMetadata
{
Type = BindingType.QueueTrigger,
QueueName = "test"
};
MethodInfo method = GenerateMethod(trigger);
VerifyCommonProperties(method);
// verify trigger parameter
ParameterInfo parameter = method.GetParameters()[0];
Assert.Equal("input", parameter.Name);
Assert.Equal(typeof(string), parameter.ParameterType);
QueueTriggerAttribute attribute = parameter.GetCustomAttribute <QueueTriggerAttribute>();
Assert.Equal("test", attribute.QueueName);
}
public async Task <ITriggerBinding> TryCreateAsync(TriggerBindingProviderContext context)
{
ParameterInfo parameter = context.Parameter;
QueueTriggerAttribute queueTrigger = parameter.GetCustomAttribute <QueueTriggerAttribute>(inherit: false);
if (queueTrigger == null)
{
return(null);
}
string queueName = Resolve(queueTrigger.QueueName);
queueName = NormalizeAndValidate(queueName);
ITriggerDataArgumentBinding <IStorageQueueMessage> argumentBinding = InnerProvider.TryCreate(parameter);
if (argumentBinding == null)
{
throw new InvalidOperationException(
"Can't bind QueueTrigger to type '" + parameter.ParameterType + "'.");
}
IStorageAccount account = await _accountProvider.GetStorageAccountAsync(context.Parameter, context.CancellationToken, _nameResolver);
// requires storage account with queue support
account.AssertTypeOneOf(StorageAccountType.GeneralPurpose);
StorageClientFactoryContext clientFactoryContext = new StorageClientFactoryContext
{
Parameter = parameter
};
IStorageQueueClient client = account.CreateQueueClient(clientFactoryContext);
IStorageQueue queue = client.GetQueueReference(queueName);
ITriggerBinding binding = new QueueTriggerBinding(parameter.Name, queue, argumentBinding,
_queueConfiguration, _exceptionHandler, _messageEnqueuedWatcherSetter,
_sharedContextProvider, _trace);
return(binding);
}
public void GenerateQueueTriggerFunction()
{
BindingMetadata trigger = BindingMetadata.Create(new JObject
{
{ "type", "QueueTrigger" },
{ "name", "input" },
{ "direction", "in" },
{ "queueName", "test" }
});
MethodInfo method = GenerateMethod(trigger);
VerifyCommonProperties(method);
// verify trigger parameter
ParameterInfo parameter = method.GetParameters()[0];
Assert.Equal("input", parameter.Name);
Assert.Equal(typeof(string), parameter.ParameterType);
QueueTriggerAttribute attribute = parameter.GetCustomAttribute <QueueTriggerAttribute>();
Assert.Equal("test", attribute.QueueName);
}
