public static IInterceptionConfiguration InterceptMethod(this FluentAspectOptions options,
MethodInfo method)
{
if (null == method)
{
throw new ArgumentNullException(nameof(method));
}
var methodSignature = method.GetSignature();
return(options.InterceptMethod(m => m.GetSignature().Equals(methodSignature)));
}
static FluentAspects()
{
AspectOptions = new FluentAspectOptions();
// register built-in ignore interceptors
AspectOptions
.NoInterceptType(t => t.Namespace?.StartsWith("WeihanLi.Common.Aspect") == true)
;
// register built-in necessary interceptors
AspectOptions.InterceptAll()
.With <TryInvokeInterceptor>();
AspectOptions.InterceptMethod <IDisposable>(m => m.Dispose())
.With <DisposableInterceptor>();
}
public static FluentAspectOptions NoInterceptMethod <T>(this FluentAspectOptions options,
MethodCallExpression methodCallExpression)
{
var innerMethod = methodCallExpression.Method;
if (null == innerMethod)
{
throw new InvalidOperationException($"no method found");
}
Expression <Func <MethodInfo, bool> > expression = m => m.DeclaringType !.IsAssignableTo <T>();
var methodSignature = innerMethod.GetSignature();
expression = expression.And(m => m.GetSignature().Equals(methodSignature));
return(options.NoInterceptMethod(expression.Compile()));
}
public static IInterceptionConfiguration InterceptPropertySetter <T>(this FluentAspectOptions options,
Expression <Func <T, object> > expression)
{
var prop = expression.GetProperty();
if (null == prop)
{
throw new InvalidOperationException("no property found");
}
if (!prop.CanWrite || prop.SetMethod == null)
{
throw new InvalidOperationException($"the property {prop.Name} can not write");
}
return(options.InterceptMethod <T>(prop.SetMethod));
}
public static IInterceptionConfiguration Intercept(this FluentAspectOptions options,
Func <IInvocation, bool> predict)
{
if (null == predict)
{
throw new ArgumentNullException(nameof(predict));
}
if (options.InterceptionConfigurations.TryGetValue
(predict, out var interceptionConfiguration))
{
return(interceptionConfiguration);
}
interceptionConfiguration = new InterceptionConfiguration();
options.InterceptionConfigurations[predict] = interceptionConfiguration;
return(interceptionConfiguration);
}
public static FluentAspectOptions NoInterceptProperty <T>(this FluentAspectOptions options,
Expression <Func <T, object> > expression)
{
var prop = expression.GetProperty();
if (null == prop)
{
throw new InvalidOperationException("no property found");
}
if (prop.GetMethod != null)
{
options = options.NoInterceptMethod <T>(prop.GetMethod);
}
if (prop.SetMethod != null)
{
options = options.NoInterceptMethod <T>(prop.SetMethod);
}
return(options);
}
public static IInterceptionConfiguration InterceptMethod <T>(this FluentAspectOptions options,
Expression <Func <T, object> > method)
{
return(options.InterceptMethod <T>(method.GetMethodExpression()));
}
public static FluentAspectOptions WithEnricher <TEnricher>(this FluentAspectOptions options, TEnricher enricher) where TEnricher : IInvocationEnricher
{
options.Enrichers.Add(enricher);
return(options);
}
public static FluentAspectOptions WithEnricher <TEnricher>(this FluentAspectOptions options) where TEnricher : IInvocationEnricher, new()
{
options.Enrichers.Add(new TEnricher());
return(options);
}
public static FluentAspectOptions WithProperty(this FluentAspectOptions options, string propertyName,
Func <IInvocation, object> propertyValueFactory, bool overwrite = false)
{
options.Enrichers.Add(new PropertyInvocationEnricher(propertyName, propertyValueFactory, overwrite));
return(options);
}
public static FluentAspectOptions UseProxyFactory <TProxyFactory>(this FluentAspectOptions options,
params object[] parameters) where TProxyFactory : class, IProxyFactory, new()
{
options.ProxyFactory = ActivatorHelper.CreateInstance <TProxyFactory>(parameters);
return(options);
}
public static FluentAspectOptions UseProxyFactory <TProxyFactory>(this FluentAspectOptions options)
where TProxyFactory : class, IProxyFactory, new()
{
options.ProxyFactory = new TProxyFactory();
return(options);
}
public static bool NoIntercept(this FluentAspectOptions options, Func <IInvocation, bool> predict)
{
return(options.NoInterceptionConfigurations.Add(predict));
}
public static FluentAspectOptions UseCastleProxy(this FluentAspectOptions options)
{
options.ProxyFactory = CastleProxyFactory.Instance;
return(options);
}
public static IInterceptionConfiguration InterceptDbContextSave(this FluentAspectOptions options)
{
return(options.InterceptMethod <DbContext>(m =>
m.Name == nameof(DbContext.SaveChanges) ||
m.Name == nameof(DbContext.SaveChangesAsync)));
}
public static FluentAspectOptions NoInterceptMethod(this FluentAspectOptions options,
Func <MethodInfo, bool> methodPredict)
{
options.NoIntercept(invocation => methodPredict(invocation.Method ?? invocation.ProxyMethod));
return(options);
}
public static IInterceptionConfiguration InterceptType <T>(this FluentAspectOptions options)
{
return(options.InterceptMethod(m => m.DeclaringType !.IsAssignableTo <T>()));
}
public static FluentAspectOptions NoInterceptType <T>(this FluentAspectOptions options)
{
options.NoInterceptMethod(m => m.DeclaringType !.IsAssignableTo <T>());
return(options);
}
public static FluentAspectOptions NoInterceptMethod <T>(this FluentAspectOptions options,
Expression <Action <T> > method)
{
options.NoInterceptMethod <T>(method.GetMethodExpression());
return(options);
}
public static FluentAspectOptions UseProxyFactory(this FluentAspectOptions options, IProxyFactory proxyFactory)
{
options.ProxyFactory = proxyFactory;
return(options);
}
public static IInterceptionConfiguration InterceptAll(this FluentAspectOptions options) => options.Intercept(_ => true);
public static IInterceptionConfiguration InterceptMethod(this FluentAspectOptions options,
Func <MethodInfo, bool> methodPredict)
{
return(options.Intercept(invocation => methodPredict(invocation.Method ?? invocation.ProxyMethod)));
}
public static FluentAspectOptions InterceptDbContextSaveWithAudit <TDbContext>(this FluentAspectOptions options) where TDbContext : DbContext
{
options.InterceptDbContextSave <TDbContext>()
.With <AuditDbContextInterceptor>();
return(options);
}
public static FluentAspectOptions UseInterceptorResolver <TResolver>(this FluentAspectOptions options)
where TResolver : IInterceptorResolver, new()
{
options.InterceptorResolver = new TResolver();
return(options);
}
