private void ApplyMethodInjectors(ExpressionBuildingEventArgs e, MethodInfo[] methods)
{
foreach (var method in methods)
{
this.ApplyMethodInjector(e, method);
}
}
void Intercept(object sender, ExpressionBuildingEventArgs e)
{
if (AspectUtility.IsDecorated(e.KnownImplementationType, Proxy.Configuration))
{
e.Expression = Expression.Convert(
Expression.Invoke(Expression.Constant(_createProxy), e.Expression),
e.RegisteredServiceType);
}
}
private static void AddKnownRelationships(ExpressionBuildingEventArgs e,
InstanceProducer[] dependencies)
{
var relationships =
from dependency in dependencies
select new KnownRelationship(e.KnownImplementationType, e.Lifestyle, dependency);
foreach (KnownRelationship relationship in relationships)
{
e.KnownRelationships.Add(relationship);
}
}
public void ExpressionBuildingEventArgsExpressionProperty_SetWithNullReference_ThrowsArgumentNullException()
{
// Arrange
var eventArgs = new ExpressionBuildingEventArgs(
typeof(IPlugin),
typeof(PluginImpl),
Expression.Constant(new PluginImpl()),
Lifestyle.Transient);
// Act
eventArgs.Expression = null;
}
private static void ReplaceExpression(ExpressionBuildingEventArgs e, MethodInfo method,
InstanceProducer[] dependencies)
{
Delegate injectorDelegate = BuildInjectorDelegate(e.KnownImplementationType, method);
var dependencyExpressions =
from dependency in dependencies
select dependency.BuildExpression();
var parameters = (new Expression[] { e.Expression }).Concat(dependencyExpressions);
e.Expression = Expression.Invoke(Expression.Constant(injectorDelegate), parameters);
}
private void ApplyMethodInjector(ExpressionBuildingEventArgs e, MethodInfo method)
{
VerifyMethod(method);
var dependencies = (
from parameter in method.GetParameters()
select this.container.GetRegistration(parameter.ParameterType, throwOnFailure: true))
.ToArray();
ReplaceExpression(e, method, dependencies);
AddKnownRelationships(e, dependencies);
}
public void ExpressionBuildingEventArgsExpressionProperty_SetWithNullReference_ThrowsArgumentNullException()
{
// Arrange
var eventArgs = new ExpressionBuildingEventArgs(
typeof(PluginImpl),
Expression.Constant(new PluginImpl()),
Lifestyle.Transient,
new Collection <KnownRelationship>());
// Act
Action action = () => eventArgs.Expression = null;
// Assert
AssertThat.Throws <ArgumentNullException>(action);
}
internal void ExpressionBuilding(object sender, ExpressionBuildingEventArgs e)
{
var methods = this.GetMethodsToInject(e.KnownImplementationType);
this.ApplyMethodInjectors(e, methods);
}
public ProfileData(ExpressionBuildingEventArgs info, TimeSpan elapsed)
{
this.Info = info;
this.Elapsed = elapsed;
}
