protected override Type?VisitIEnumerable(IEnumerableCallSite enumerableCallSite,
CallSiteValidatorState state)
{
Type?result = null;
foreach (ServiceCallSite serviceCallSite in enumerableCallSite.ServiceCallSites)
{
Type?scoped = VisitCallSite(serviceCallSite, state);
result ??= scoped;
}
return(result);
}
protected override Type VisitScoped(ScopedCallSite scopedCallSite, CallSiteValidatorState state)
{
// We are fine with having ServiceScopeService requested by singletons
if (scopedCallSite.ServiceCallSite is ServiceScopeService)
{
return(null);
}
if (state.Singleton != null)
{
throw new InvalidOperationException(nameof(state.Singleton) + "范围调用点不能为单例调用点。");
}
return(scopedCallSite.Key.ServiceType);
}
protected override Type VisitIEnumerable(IEnumerableCallSite enumerableCallSite,
CallSiteValidatorState state)
{
Type result = null;
foreach (var serviceCallSite in enumerableCallSite.ServiceCallSites)
{
var scoped = VisitCallSite(serviceCallSite, state);
if (result == null)
{
result = scoped;
}
}
return(result);
}
protected override Type VisitScoped(ScopedCallSite scopedCallSite, CallSiteValidatorState state)
{
// We are fine with having ServiceScopeService requested by singletons
if (scopedCallSite.ServiceCallSite is ServiceScopeService)
{
return(null);
}
if (state.Singleton != null)
{
throw new InvalidOperationException(Resources.FormatScopedInSingletonException(
scopedCallSite.Key.ServiceType,
state.Singleton.Key.ServiceType,
nameof(ServiceLifetime.Scoped).ToLowerInvariant(),
nameof(ServiceLifetime.Singleton).ToLowerInvariant()
));
}
return(scopedCallSite.Key.ServiceType);
}
protected override Type VisitScopeCache(ServiceCallSite scopedCallSite, CallSiteValidatorState state)
{
// We are fine with having ServiceScopeService requested by singletons
if (scopedCallSite.ServiceType == typeof(IServiceScopeFactory))
{
return(null);
}
if (state.Singleton != null)
{
throw new InvalidOperationException(SR.Format(SR.ScopedInSingletonException,
scopedCallSite.ServiceType,
state.Singleton.ServiceType,
nameof(ServiceLifetime.Scoped).ToLowerInvariant(),
nameof(ServiceLifetime.Singleton).ToLowerInvariant()
));
}
VisitCallSiteMain(scopedCallSite, state);
return(scopedCallSite.ServiceType);
}
protected override Type VisitScopeCache(ServiceCallSite scopedCallSite, CallSiteValidatorState state)
{
// We are fine with having ServiceScopeService requested by singletons
if (scopedCallSite is ServiceScopeFactoryCallSite)
{
return(null);
}
if (state.Singleton != null)
{
throw new InvalidOperationException(string.Format("Cannot consume {2} service '{0}' from {3} '{1}'.",
scopedCallSite.ServiceType,
state.Singleton.ServiceType,
nameof(ServiceLifetime.Scoped).ToLowerInvariant(),
nameof(ServiceLifetime.Singleton).ToLowerInvariant()
));
}
VisitCallSiteMain(scopedCallSite, state);
return(scopedCallSite.ServiceType);
}
protected override Type VisitServiceScopeFactory(ServiceScopeFactoryCallSite serviceScopeFactoryCallSite, CallSiteValidatorState state) => null;
protected override Type VisitServiceProvider(ServiceProviderCallSite serviceProviderCallSite, CallSiteValidatorState state) => null;
protected override Type VisitConstant(ConstantCallSite constantCallSite, CallSiteValidatorState state) => null;
protected override Type VisitSingleton(SingletonCallSite singletonCallSite, CallSiteValidatorState state)
{
state.Singleton = singletonCallSite;
return(VisitCallSite(singletonCallSite.ServiceCallSite, state));
}
protected override Type VisitInterception(InterceptionCallSite interceptionCallSite, CallSiteValidatorState argument) => null;
protected override Type VisitFactoryService(FactoryService factoryService, CallSiteValidatorState state) => null;
protected override Type VisitEmptyIEnumerable(EmptyIEnumerableCallSite emptyIEnumerableCallSite, CallSiteValidatorState state) => null;
protected override Type VisitInstanceService(InstanceService instanceCallSite, CallSiteValidatorState state) => null;
protected override Type?VisitConstructor(ConstructorCallSite constructorCallSite, CallSiteValidatorState state)
{
Type?result = null;
foreach (ServiceCallSite parameterCallSite in constructorCallSite.ParameterCallSites)
{
Type?scoped = VisitCallSite(parameterCallSite, state);
result ??= scoped;
}
return(result);
}
protected override Type VisitFactory(FactoryCallSite factoryCallSite, CallSiteValidatorState state) => null;
protected override Type VisitConstructor(ConstructorCallSite constructorCallSite, CallSiteValidatorState state)
{
Type result = null;
foreach (var parameterCallSite in constructorCallSite.ParameterCallSites)
{
var scoped = VisitCallSite(parameterCallSite, state);
if (result == null)
{
result = scoped;
}
}
return(result);
}
protected override Type VisitCreateInstance(CreateInstanceCallSite createInstanceCallSite, CallSiteValidatorState state) => null;
protected override Type VisitRootCache(ServiceCallSite singletonCallSite, CallSiteValidatorState state)
{
state.Singleton = singletonCallSite;
return(VisitCallSiteMain(singletonCallSite, state));
}
protected override Type VisitTransient(TransientCallSite transientCallSite, CallSiteValidatorState state)
{
return(VisitCallSite(transientCallSite.ServiceCallSite, state));
}