public ServiceBusBinding(ScriptHostConfiguration config, ServiceBusBindingMetadata metadata, FileAccess access) :
base(config, metadata, access)
{
string queueOrTopicName = metadata.QueueName ?? metadata.TopicName;
if (string.IsNullOrEmpty(queueOrTopicName))
{
throw new ArgumentException("A valid queue or topic name must be specified.");
}
QueueOrTopicName = queueOrTopicName;
_queueOrTopicNameBindingTemplate = BindingTemplate.FromString(QueueOrTopicName);
}
protected ParameterDescriptor ParseServiceBusTrigger(ServiceBusBindingMetadata trigger, Type triggerParameterType)
{
if (trigger == null)
{
throw new ArgumentNullException("trigger");
}
if (triggerParameterType == null)
{
throw new ArgumentNullException("triggerParameterType");
}
string queueName = trigger.QueueName;
string topicName = trigger.TopicName;
string subscriptionName = trigger.SubscriptionName;
AccessRights accessRights = trigger.AccessRights;
CustomAttributeBuilder attributeBuilder = null;
if (!string.IsNullOrEmpty(topicName) && !string.IsNullOrEmpty(subscriptionName))
{
ConstructorInfo ctorInfo = typeof(ServiceBusTriggerAttribute).GetConstructor(new Type[] { typeof(string), typeof(string), typeof(AccessRights) });
attributeBuilder = new CustomAttributeBuilder(ctorInfo, new object[] { topicName, subscriptionName, accessRights });
}
else if (!string.IsNullOrEmpty(queueName))
{
ConstructorInfo ctorInfo = typeof(ServiceBusTriggerAttribute).GetConstructor(new Type[] { typeof(string), typeof(AccessRights) });
attributeBuilder = new CustomAttributeBuilder(ctorInfo, new object[] { queueName, accessRights });
}
else
{
throw new InvalidOperationException("Invalid ServiceBus trigger configuration.");
}
var attributes = new Collection <CustomAttributeBuilder>
{
attributeBuilder
};
if (!string.IsNullOrEmpty(trigger.Connection))
{
ServiceBusBinding.AddServiceBusAccountAttribute(attributes, trigger.Connection);
}
return(new ParameterDescriptor(trigger.Name, triggerParameterType, attributes));
}
public void GenerateServiceBusTriggerFunction()
{
ServiceBusBindingMetadata trigger = new ServiceBusBindingMetadata
{
Type = BindingType.ServiceBusTrigger,
TopicName = "testTopic",
SubscriptionName = "testSubscription",
AccessRights = AccessRights.Listen
};
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);
ServiceBusTriggerAttribute attribute = parameter.GetCustomAttribute<ServiceBusTriggerAttribute>();
Assert.Equal(null, attribute.QueueName);
Assert.Equal("testTopic", attribute.TopicName);
Assert.Equal("testSubscription", attribute.SubscriptionName);
Assert.Equal(AccessRights.Listen, attribute.Access);
}
protected ParameterDescriptor ParseServiceBusTrigger(ServiceBusBindingMetadata trigger, Type triggerParameterType = null)
{
if (triggerParameterType == null)
{
triggerParameterType = typeof(string);
}
string queueName = trigger.QueueName;
string topicName = trigger.TopicName;
string subscriptionName = trigger.SubscriptionName;
AccessRights accessRights = trigger.AccessRights;
CustomAttributeBuilder attributeBuilder = null;
if (!string.IsNullOrEmpty(topicName) && !string.IsNullOrEmpty(subscriptionName))
{
ConstructorInfo ctorInfo = typeof(ServiceBusTriggerAttribute).GetConstructor(new Type[] { typeof(string), typeof(string), typeof(AccessRights) });
attributeBuilder = new CustomAttributeBuilder(ctorInfo, new object[] { topicName, subscriptionName, accessRights });
}
else if (!string.IsNullOrEmpty(queueName))
{
ConstructorInfo ctorInfo = typeof(ServiceBusTriggerAttribute).GetConstructor(new Type[] { typeof(string), typeof(AccessRights) });
attributeBuilder = new CustomAttributeBuilder(ctorInfo, new object[] { queueName, accessRights });
}
else
{
throw new InvalidOperationException("Invalid ServiceBus trigger configuration.");
}
string parameterName = trigger.Name;
var attributes = new Collection<CustomAttributeBuilder>
{
attributeBuilder
};
return new ParameterDescriptor(parameterName, triggerParameterType, attributes);
}