public MemberInjectionDescriptor(MemberInfo member)
{
_member = member;
var serviceType = member switch
{
PropertyInfo property => property.PropertyType,
FieldInfo field => field.FieldType,
_ => throw new ArgumentException("Invalid member type."),
};
if (!serviceType.IsGenericType || serviceType.GetGenericTypeDefinition() != typeof(IOptions <>))
{
var optionType = typeof(IOptions <>).MakeGenericType(serviceType);
_valueFactory = (provider, target) =>
{
var property = _options.GetOrAdd(optionType, t => t.GetProperty("Value", BindingFlags.Public | BindingFlags.Instance));
var instance = provider.GetService(optionType);
return(instance == null ? null : Reflection.Reflector.GetValue(property, ref instance));
};
}
else
{
_valueFactory = (provider, target) => provider.GetService(ServiceModular.TryGetContract(target, serviceType, out var contract) ? contract : serviceType);
}
}
private static IApplicationModule GetApplicationModule(Type type)
{
var moduleName = ServiceModular.GetModuleName(type);
if (!string.IsNullOrEmpty(moduleName) && ApplicationContext.Current.Modules.TryGet(moduleName, out var module))
{
return(module);
}
return(ApplicationContext.Current);
}
public object GetService(Type serviceType)
{
if (string.IsNullOrEmpty(_name))
{
return(_provider.GetService(serviceType));
}
if (serviceType.IsAbstract && ServiceModular.TryGetContract(_name, serviceType, out var contract))
{
return(_provider.GetService(contract));
}
return(_provider.GetService(serviceType));
}
public MemberInjectionDescriptor(MemberInfo member, ServiceDependencyAttribute attribute)
{
_member = member;
var serviceType = attribute.ServiceType ?? member switch
{
PropertyInfo property => property.PropertyType,
FieldInfo field => field.FieldType,
_ => throw new ArgumentException("Invalid member type."),
};
if (attribute.IsRequired)
{
if (string.IsNullOrEmpty(attribute.Provider))
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(target, serviceType, out var contract))
{
return(provider.GetRequiredService(contract));
}
else
{
return(provider.GetRequiredService(serviceType));
}
}
}
;
else
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(attribute.Provider, serviceType, out var contract))
{
return(provider.GetRequiredService(contract));
}
else
{
return(provider.GetRequiredService(serviceType));
}
}
};
}
else
{
if (string.IsNullOrEmpty(attribute.Provider))
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(target, serviceType, out var contract))
{
return(provider.GetService(contract));
}
else
{
return(provider.GetService(serviceType));
}
}
}
;
else
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(attribute.Provider, serviceType, out var contract))
{
return(provider.GetService(contract));
}
else
{
return(provider.GetService(serviceType));
}
}
};
}
}
public MemberInjectionDescriptor(MemberInfo member, ServiceDependencyAttribute attribute)
{
_member = member;
var serviceType = attribute.ServiceType ?? member switch
{
PropertyInfo property => property.PropertyType,
FieldInfo field => field.FieldType,
_ => throw new ArgumentException("Invalid member type."),
};
if (IsServiceAccessor(serviceType, out var accessorType))
{
_valueFactory = (provider, target) => ActivatorUtilities.CreateInstance(provider, accessorType, new object[] { GetApplicationModule(member.ReflectedType) });
return;
}
if (attribute.IsRequired)
{
if (string.IsNullOrEmpty(attribute.Provider))
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(target, serviceType, out var contract))
{
return(provider.GetRequiredService(contract));
}
else
{
return(provider.GetRequiredService(serviceType));
}
}
}
;
else
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(attribute.Provider, serviceType, out var contract))
{
return(provider.GetRequiredService(contract));
}
else
{
return(provider.GetRequiredService(serviceType));
}
}
};
}
else
{
if (string.IsNullOrEmpty(attribute.Provider))
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(target, serviceType, out var contract))
{
return(provider.GetService(contract));
}
else
{
return(provider.GetService(serviceType));
}
}
}
;
else
{
_valueFactory = (provider, target) =>
{
if (ServiceModular.TryGetContract(attribute.Provider, serviceType, out var contract))
{
return(provider.GetService(contract));
}
else
{
return(provider.GetService(serviceType));
}
}
};
}
}
