/// <summary>
/// Adds the custom service behavior required for dependency injection.
/// </summary>
/// <param name="serviceHost">The service host.</param>
/// <param name="contractType">The web service contract type.</param>
/// <param name="container">The container.</param>
public static void AddDependencyInjectionBehavior(this ServiceHostBase serviceHost, Type contractType, ILifetimeScope container)
{
if (contractType == null)
{
throw new ArgumentNullException("contractType");
}
if (container == null)
{
throw new ArgumentNullException("container");
}
var serviceBehavior = serviceHost.Description.Behaviors.Find <ServiceBehaviorAttribute>();
if (serviceBehavior != null && serviceBehavior.InstanceContextMode == InstanceContextMode.Single)
{
return;
}
IComponentRegistration registration;
if (!container.ComponentRegistry.TryGetRegistration(new TypedService(contractType), out registration))
{
var message = string.Format(ServiceHostExtensionsResources.ContractTypeNotRegistered, contractType.FullName);
throw new ArgumentException(message, "contractType");
}
var behavior = new AutofacDependencyInjectionServiceBehavior(container, serviceHost.Description.ServiceType, registration);
serviceHost.Description.Behaviors.Add(behavior);
}
/// <summary>
/// Adds the custom service behavior required for dependency injection.
/// </summary>
/// <param name="serviceHost">The service host.</param>
/// <param name="contractType">The web service contract type.</param>
/// <param name="container">The container.</param>
/// <param name="parameters">Parameters for the instance.</param>
public static void AddDependencyInjectionBehavior(this ServiceHostBase serviceHost, Type contractType, ILifetimeScope container, IEnumerable <Parameter> parameters)
{
if (serviceHost == null)
{
throw new ArgumentNullException("serviceHost");
}
if (contractType == null)
{
throw new ArgumentNullException("contractType");
}
if (container == null)
{
throw new ArgumentNullException("container");
}
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
var serviceBehavior = serviceHost.Description.Behaviors.Find <ServiceBehaviorAttribute>();
if (serviceBehavior != null && serviceBehavior.InstanceContextMode == InstanceContextMode.Single)
{
return;
}
IComponentRegistration registration;
var serviceToResolve = new TypedService(contractType);
if (!container.ComponentRegistry.TryGetRegistration(serviceToResolve, out registration))
{
var message = string.Format(CultureInfo.CurrentCulture, ServiceHostExtensionsResources.ContractTypeNotRegistered, contractType.FullName);
throw new ArgumentException(message, "contractType");
}
var data = new ServiceImplementationData
{
ConstructorString = contractType.AssemblyQualifiedName,
ServiceTypeToHost = contractType,
ImplementationResolver = l => l.ResolveComponent(new ResolveRequest(serviceToResolve, registration, parameters))
};
var behavior = new AutofacDependencyInjectionServiceBehavior(container, data);
serviceHost.Description.Behaviors.Add(behavior);
}
public void ApplyDispatchBehavior_NullServiceHost()
{
var provider = new AutofacDependencyInjectionServiceBehavior(new ContainerBuilder().Build(), new ServiceImplementationData());
var description = new ServiceDescription();
Assert.Throws<ArgumentNullException>(() => provider.ApplyDispatchBehavior(description, null));
}
