public override object FindObject(Type pluginType, Instance instance)
{
_dependencyStack.Push(new BuildDependency(pluginType, instance));
try
{
//clearBuildStack();
return base.FindObject(pluginType, instance);
}
catch (StructureMapException ex)
{
_dependencyStack.Pop();
// Don't log exceptions for inline instances. I
// think it would cause more confusion that not
// because the name is a Guid
if (!_explicitInstances.Contains(instance))
{
throw;
}
_errors.LogError(instance, pluginType, ex, _dependencyStack);
throw;
}
}
public void Apply(Type pluginType, Instance instance)
{
_policies.Where(x => !instance.AppliedPolicies.Contains(x))
.Each(policy =>
{
try
{
policy.Apply(pluginType, instance);
}
finally
{
instance.AppliedPolicies.Add(policy);
}
});
var configured = instance.As<IConfiguredInstance>();
if (configured != null)
{
configured.Constructor.GetParameters()
.Each(param => param.ForAttribute<StructureMapAttribute>(att => att.Alter(configured, param)));
configured.SettableProperties()
.Each(prop => prop.ForAttribute<StructureMapAttribute>(att => att.Alter(configured, prop)));
}
}
public IEnumerable<IInterceptor> DetermineInterceptors(Type pluginType, Instance instance)
{
if (pluginType == typeof(IService))
{
yield return new FuncInterceptor<IService>((context, service) => new DecoratorService(instance.Name, service));
}
}
public ValidationError(Type pluginType, Instance instance, Exception exception, MethodInfo method)
{
PluginType = pluginType;
Instance = instance;
Exception = exception;
MethodName = method.Name;
}
public void FillTypeInto(Type pluginType, Instance instance)
{
if (!_instances.ContainsKey(pluginType))
{
_instances.Add(pluginType, instance);
}
}
/// <summary>
/// FOR TESTING ONLY!
/// </summary>
/// <param name="pluginType"></param>
/// <param name="instance"></param>
/// <param name="inner"></param>
/// <param name="interceptionPlan"></param>
public BuildPlan(Type pluginType, Instance instance, IDependencySource inner, IInterceptionPlan interceptionPlan)
{
_pluginType = pluginType;
_instance = instance;
_inner = inner;
_interceptionPlan = interceptionPlan;
}
public bool Has(Type pluginType, Instance instance)
{
return _lock.Read(() => {
var key = instance.InstanceKey(pluginType);
return _objects.ContainsKey(key);
});
}
public object Get(Type pluginType, Instance instance, IBuildSession session)
{
object result = null;
int key = instance.InstanceKey(pluginType);
_lock.EnterUpgradeableReadLock();
if (_objects.ContainsKey(key))
{
result = _objects[key];
_lock.ExitUpgradeableReadLock();
}
else
{
_lock.EnterWriteLock();
try
{
result = buildWithSession(pluginType, instance, session);
_objects.Add(key, result);
}
finally
{
_lock.ExitWriteLock();
}
}
return result;
}
public void LogError(
Instance instance,
Type pluginType,
StructureMapException ex,
IEnumerable<BuildDependency> dependencies)
{
if (_buildErrors.ContainsKey(instance))
{
BuildError existingError = _buildErrors[instance];
addDependenciesToError(instance, dependencies, existingError);
}
if (_brokenInstances.Contains(instance))
{
return;
}
InstanceToken token = ((IDiagnosticInstance) instance).CreateToken();
var error = new BuildError(pluginType, instance);
error.Exception = ex;
_buildErrors.Add(instance, error);
addDependenciesToError(instance, dependencies, error);
}
public IEnumerable<IInterceptor> DetermineInterceptors(Type pluginType, Instance instance)
{
if (MatchesType(instance.ReturnedType))
{
Expression<Action<IContext, object>> register = (c, o) => c.GetInstance<IEventPublisher>().Subscribe(o);
yield return new ActivatorInterceptor<object>(register);
}
}
public static Expression WrapFunc(Type returnType, Instance instance, Expression inner)
{
var push = Expression.Call(Parameters.Session, PushMethod, Expression.Constant(instance));
var block = Expression.Block(returnType, push, inner);
var pop = Expression.Call(Parameters.Session, PopMethod);
return Expression.TryFinally(block, pop);
}
/// <summary>
/// Applies explicit configuration to an IConfiguredInstance
/// </summary>
/// <param name="pluginType"></param>
/// <param name="instance"></param>
public void Apply(Type pluginType, Instance instance)
{
var configured = instance as IConfiguredInstance;
if (configured != null)
{
apply(pluginType, configured);
}
}
public void Eject(Type pluginType, Instance instance)
{
var key = new InstanceKey(instance, pluginType);
if (!_objects.Has(key)) return;
var disposable = _objects[key] as IDisposable;
_objects.Remove(key);
disposable.SafeDispose();
}
public IEnumerable<IInterceptor> DetermineInterceptors(Type pluginType, Instance instance)
{
if (_filter(pluginType, instance))
{
var interceptorType = typeof(DynamicProxyInterceptor<>).MakeGenericType(pluginType);
var interceptor = (IInterceptor)Activator.CreateInstance(interceptorType, new object[] { _interceptionBehaviors });
yield return interceptor;
}
}
public object Get(Type pluginType, Instance instance, IBuildSession session)
{
var @object = session.BuildNewInSession(pluginType, instance);
if (@object is IDisposable)
{
_tracked.Add(@object);
}
return @object;
}
protected MessageHandlerInvoker(Type handlerType, Type messageType, bool? shouldBeSubscribedOnStartup = null)
{
MessageHandlerType = handlerType;
DispatchQueueName = DispatchQueueNameScanner.GetQueueName(handlerType);
MessageType = messageType;
MessageTypeId = new MessageTypeId(MessageType);
ShouldBeSubscribedOnStartup = shouldBeSubscribedOnStartup ?? MessageShouldBeSubscribedOnStartup(messageType);
_instance = CreateConstructorInstance(handlerType);
}
public bool HasBeenCreated(Instance instance)
{
var lifecycle = _pipelineGraph.DetermineLifecycle(_family.PluginType, instance);
// Fixes GH-363
if (lifecycle is ObjectLifecycle) return true;
return
lifecycle
.FindCache(_pipelineGraph)
.Has(_family.PluginType, instance);
}
public void Eject(Type pluginType, Instance instance)
{
int key = instance.InstanceKey(pluginType);
_lock.MaybeWrite(() => {
if (!_objects.ContainsKey(key)) return;
_lock.Write(() => {
var disposable = _objects[key] as IDisposable;
_objects.Remove(key);
disposable.SafeDispose();
});
});
}
public virtual object ApplyInterception(Type pluginType, object actualValue, BuildSession session,
Instance instance)
{
if (actualValue == null) return null;
try
{
return _library.FindInterceptor(actualValue.GetType()).Process(actualValue, session);
}
catch (Exception e)
{
throw new StructureMapException(308, e, instance.Name, actualValue.GetType());
}
}
public void SetUp()
{
theTarget = new BuildTarget();
theInstance = new ObjectInstance(theTarget);
theInterceptors = new IInterceptor[0];
theInner = Constant.For(theTarget);
_plan =
new Lazy<BuildPlan>(() => new BuildPlan(typeof (IBuildTarget), theInstance, theInner, new Policies(), theInterceptors));
theSession = new FakeBuildSession();
}
private void addDependenciesToError(Instance instance, IEnumerable<BuildDependency> dependencies,
BuildError error)
{
foreach (BuildDependency dependency in dependencies)
{
if (_brokenInstances.Contains(instance))
{
continue;
}
error.AddDependency(dependency);
_brokenInstances.Add(dependency.Instance);
}
}
public BuildPlanTester()
{
theTarget = new BuildTarget();
theInstance = new ObjectInstance(theTarget);
theInterceptors = new IInterceptor[0];
theInner = Constant.For(theTarget);
plan =
new Lazy<BuildPlan>(
() => new BuildPlan(typeof(IBuildTarget), theInstance, theInner, Policies.Default(), theInterceptors));
theSession = new FakeBuildSession();
}
public BuildPlan(Type pluginType, Instance instance, IDependencySource inner, Policies policies,
IEnumerable<IInterceptor> interceptors)
{
_pluginType = pluginType;
_instance = instance;
_inner = inner;
if (interceptors.Any())
{
_interceptionPlan = new InterceptionPlan(pluginType, _inner, policies, interceptors);
}
var @delegate = ToDelegate();
_func = @delegate as Func<IBuildSession, IContext, object>;
}
public void Set(Type pluginType, Instance instance, object value)
{
if (value == null) return;
try
{
var key = new InstanceKey(instance, pluginType);
_objects[key] = value;
}
catch (ArgumentException e)
{
string message = string.Format("Duplicate key for Instance {0} of PluginType {1}", instance.Name,
pluginType.AssemblyQualifiedName);
throw new ArgumentException(message, e);
}
}
public object Resolve(Type pluginType, Instance instance, BuildSession session)
{
IObjectCache cache = FindCache(pluginType, instance, session);
lock (cache.Locker)
{
object returnValue = cache.Get(pluginType, instance);
if (returnValue == null)
{
returnValue = ConstructNew(pluginType, instance, session);
cache.Set(pluginType, instance, returnValue);
}
return returnValue;
}
}
private void tryBuildInstance(Type pluginType, Instance instance, IPipelineGraph pipeline, ProfileReport report)
{
var session = new BuildSession(pipeline, instance.Name);
try
{
var @object = session.FindObject(pluginType, instance);
validate(pluginType, instance, @object, report);
}
catch (StructureMapException ex)
{
ex.Instances.Each(x => _buildPlanFailureIds.Fill(x));
report.AddError(pluginType, instance, ex);
}
}
public void Eject(Type pluginType, Instance instance)
{
// Prevent null reference exception.
if (pluginType.AssemblyQualifiedName == null)
return;
var key = instance.InstanceKey(pluginType);
_lock.MaybeWrite(() => {
if (!_objects.ContainsKey(key)) return;
_lock.Write(() => {
var disposable = _objects[key] as IDisposable;
_objects.Remove(key);
disposable.SafeDispose();
});
});
}
public object Build(BuildSession buildSession, Type pluginType, Instance instance)
{
var constructorArgs = _ConcreteType
.GetConstructors()
.FirstOrDefault()
.GetParameters()
.Select(p => buildSession.CreateInstance(p.ParameterType))
.ToArray();
var interceptors = new List<IInterceptor>
{
new NotifyInterceptor()
}
.ToArray();
return new ProxyGenerator().CreateClassProxy(_ConcreteType, interceptors, constructorArgs);
}
public void build_children_to_a_list()
{
var children = new Instance[]
{
new SmartInstance<ColorWidget>().Ctor<string>("color").Is("red"),
new SmartInstance<ColorWidget>().Ctor<string>("color").Is("green"),
new ObjectInstance(new AWidget())
};
var theInstance = new EnumerableInstance(children);
var list =
theInstance.Build<IList<IWidget>>(new StubBuildSession()).As<IList<IWidget>>();
list.Count.ShouldBe(3);
list[0].ShouldBeOfType<ColorWidget>().Color.ShouldBe("red");
list[2].ShouldBeOfType<AWidget>();
}
public void build_children_to_an_array()
{
var children = new Instance[]
{
new SmartInstance<ColorWidget>().WithCtorArg("color").EqualTo("red"),
new SmartInstance<ColorWidget>().WithCtorArg("color").EqualTo("green"),
new ObjectInstance(new AWidget())
};
var theInstance = new EnumerableInstance(typeof (IWidget[]), children);
var list = theInstance.Build(typeof (IWidget[]), new StubBuildSession()).ShouldBeOfType<IWidget[]>();
list.Length.ShouldEqual(3);
list[0].ShouldBeOfType<ColorWidget>().Color.ShouldEqual("red");
list[2].ShouldBeOfType<AWidget>();
}
