public static TPolicyInterface GetPolicy <TPolicyInterface>(ref BuilderContext context)
{
return((TPolicyInterface)
(context.Get(context.RegistrationType, context.Name, typeof(TPolicyInterface)) ?? (
#if NETCOREAPP1_0 || NETSTANDARD1_0
context.RegistrationType.GetTypeInfo().IsGenericType
#else
context.RegistrationType.IsGenericType
#endif
? context.Get(context.RegistrationType.GetGenericTypeDefinition(), context.Name, typeof(TPolicyInterface)) ??
context.Get(null, null, typeof(TPolicyInterface))
: context.Get(null, null, typeof(TPolicyInterface)))));
}
/// <summary>
/// Called during the chain of responsibility for a build operation.
/// </summary>
/// <param name="context">The context for the operation.</param>
public override void PreBuildUp(ref BuilderContext context)
{
// Get resolver if already created
var resolver = context.Registration.Get <ResolveDelegate <BuilderContext> >() ?? (ResolveDelegate <BuilderContext>)
GetGeneric(ref context, typeof(ResolveDelegate <BuilderContext>));
if (null == resolver)
{
// Check if can create at all
#if NETCOREAPP1_0 || NETSTANDARD1_0
if (!(context.Registration is ContainerRegistration) && context.RegistrationType.GetTypeInfo().IsGenericTypeDefinition)
#else
if (!(context.Registration is ContainerRegistration) && context.RegistrationType.IsGenericTypeDefinition)
#endif
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture,
"The type {0} is an open generic type. An open generic type cannot be resolved.",
context.RegistrationType.FullName), new InvalidRegistrationException());
}
else if (context.Type.IsArray && context.Type.GetArrayRank() > 1)
{
var message = $"Invalid array {context.Type}. Only arrays of rank 1 are supported";
throw new ArgumentException(message, new InvalidRegistrationException());
}
// Get resolver factory
var factory = context.Registration.Get <ResolveDelegateFactory>() ?? (ResolveDelegateFactory)(
context.Get(context.Type, UnityContainer.All, typeof(ResolveDelegateFactory)) ??
GetGeneric(ref context, typeof(ResolveDelegateFactory)) ??
context.Get(null, null, typeof(ResolveDelegateFactory)));
// Create plan
if (null != factory)
{
resolver = factory(ref context);
context.Registration.Set(typeof(ResolveDelegate <BuilderContext>), resolver);
context.Existing = resolver(ref context);
}
else
{
throw new ResolutionFailedException(context.Type, context.Name, $"Failed to find Resolve Delegate Factory for Type {context.Type}");
}
}
else
{
// Plan has been already created, just build the object
context.Existing = resolver(ref context);
}
}
public override void PreBuildUp(ref BuilderContext context)
{
LifetimeManager policy = null;
if (context.Registration is ImplicitRegistration registration)
{
policy = registration.LifetimeManager;
}
if (null == policy || policy is PerResolveLifetimeManager)
{
policy = (LifetimeManager)context.Get(typeof(LifetimeManager));
}
if (null == policy)
{
return;
}
if (policy is SynchronizedLifetimeManager recoveryPolicy)
{
context.RequiresRecovery = recoveryPolicy;
}
var existing = policy.GetValue(context.Lifetime);
if (LifetimeManager.NoValue != existing)
{
context.Existing = existing;
context.BuildComplete = true;
}
}
protected static object GetGeneric(ref BuilderContext context, Type policyInterface)
{
if (context.Registration is ContainerRegistration registration && null != context.Type)
{
// Check if generic
#if NETCOREAPP1_0 || NETSTANDARD1_0
if (context.Type.GetTypeInfo().IsGenericType)
#else
if (context.Type.IsGenericType)
#endif
{
var newType = context.Type.GetGenericTypeDefinition();
return(context.Get(newType, context.Name, policyInterface) ??
context.Get(newType, UnityContainer.All, policyInterface));
}
}
protected static object GetGeneric(ref BuilderContext context, Type policyInterface, Type type, string name)
{
// Check if generic
#if NETCOREAPP1_0 || NETSTANDARD1_0
if (type.GetTypeInfo().IsGenericType)
#else
if (type.IsGenericType)
#endif
{
var newType = type.GetGenericTypeDefinition();
return(context.Get(newType, name, policyInterface) ??
context.Get(newType, UnityContainer.All, policyInterface));
}
return(null);
}
private void UpdateSpyPolicy(ref BuilderContext context)
{
SpyPolicy policy = (SpyPolicy)context.Get(null, null, typeof(SpyPolicy));
if (policy != null)
{
policy.WasSpiedOn = true;
}
}
public override void PostBuildUp(ref BuilderContext context)
{
LifetimeManager policy = null;
if (context.Registration is ContainerRegistration registration)
{
policy = registration.LifetimeManager;
}
if (null == policy || policy is PerResolveLifetimeManager)
{
policy = (LifetimeManager)context.Get(typeof(LifetimeManager));
}
policy?.SetValue(context.Existing, context.Lifetime);
}
private static object ResolverImplementation <T>(ref BuilderContext context)
{
var container = context.Container;
var name = context.Name;
context.Existing = new Lazy <T>(() => container.Resolve <T>(name));
var lifetime = context.Get(typeof(LifetimeManager));
if (lifetime is PerResolveLifetimeManager)
{
var perBuildLifetime = new InternalPerResolveLifetimeManager(context.Existing);
context.Set(typeof(LifetimeManager), perBuildLifetime);
}
return(context.Existing);
}
public override void PreBuildUp(ref BuilderContext context)
{
LifetimeManager policy = null;
if (context.Registration is ContainerRegistration registration)
{
policy = registration.LifetimeManager;
}
if (null == policy || policy is PerResolveLifetimeManager)
{
policy = (LifetimeManager)context.Get(typeof(LifetimeManager));
}
if (null == policy)
{
#if NETSTANDARD1_0 || NETCOREAPP1_0
if (!context.RegistrationType.GetTypeInfo().IsGenericType)
{
return;
}
#else
if (!context.RegistrationType.IsGenericType)
{
return;
}
#endif
var manager = (LifetimeManager)context.Get(context.Type.GetGenericTypeDefinition(),
context.Name, typeof(LifetimeManager));
if (null == manager)
{
return;
}
lock (_genericLifetimeManagerLock)
{
// check whether the policy for closed-generic has been added since first checked
policy = (LifetimeManager)context.Registration.Get(typeof(LifetimeManager));
if (null == policy)
{
policy = manager.CreateLifetimePolicy();
context.Registration.Set(typeof(LifetimeManager), policy);
if (policy is IDisposable)
{
var scope = policy is ContainerControlledLifetimeManager container
? ((UnityContainer)container.Scope)?.LifetimeContainer ?? context.Lifetime
: context.Lifetime;
scope.Add(policy);
}
}
}
}
if (policy is SynchronizedLifetimeManager recoveryPolicy)
{
context.RequiresRecovery = recoveryPolicy;
}
var existing = policy.GetValue(context.Lifetime);
if (LifetimeManager.NoValue != existing)
{
context.Existing = existing;
context.BuildComplete = true;
}
}
protected static TPolicyInterface Get_Policy <TPolicyInterface>(ref BuilderContext context, Type type, string name)
{
return((TPolicyInterface)(GetGeneric(ref context, typeof(TPolicyInterface), type, name) ??
context.Get(null, null, typeof(TPolicyInterface)))); // Nothing! Get Default
}
