internal P_StrictedStorageOpCtx(P_StorageOpCtx baseCtx, PersistenceEntityReferenceKeyTypeDescriptor referenceKeyTypeDescriptor)
: base(baseCtx: baseCtx)
{
//
_baseCtx = baseCtx;
_referenceKeyTypeDescriptor = referenceKeyTypeDescriptor;
}
P_StorageOpCtxBase P_GetStrictedCtx(PersistenceEntityReferenceKeyTypeDescriptor key)
=>
ReadDA(ref _strictedCtxs)
.GetOrAdd(
key: key,
factory: P_CreateStrictedCtx,
unclaimedValue: (locKey, locValue) => locValue?.Dispose(),
dictionaryOwner: this,
spinLock: ReadDA(ref _strictedCtxsSpinLock, considerDisposeRequest: true));
// TODO: Put strings into the resources.
//
public virtual async Task <IReferenceKeyProvider <TKey> > RequireReferenceKeyProviderAsync <TKey>(PersistenceEntityReferenceKeyTypeDescriptor keyTypeDescriptor, IContext ctx = default)
where TKey : struct
{
await Task.CompletedTask;
var provider = InitDA(location: ref _referenceKeyProvider, factory: create, cleanup: cleanup);
if (provider is IReferenceKeyProvider <TKey> requiredProvider)
{
return(requiredProvider);
}
else
{
throw new EonException(message: $"Type of existing provider is not compatible with the required type.{Environment.NewLine}Type of existing provider:{provider.GetType().FmtStr().GNLI2()}{Environment.NewLine}Required type of provider:{typeof(IReferenceKeyProvider<TKey>).FmtStr().GNLI2()}");
}
//
IReferenceKeyProvider create()
{
var locSettings = ReferenceKeyProviderSettings;
if (locSettings is null)
{
throw new EonException(message: $"There is no the reference key provider settings.{Environment.NewLine}\tComponent:{this.FmtStr().GNLI2()}");
}
else if (locSettings.IsDisabled)
{
throw new EonException(message: $"Usage of the reference key provider not enabled by the settings.{Environment.NewLine}\tComponent:{this.FmtStr().GNLI2()}");
}
else
{
var locFactory = ServiceProvider.GetRequiredService <IReferenceKeyProviderFactory>();
if (locFactory.CanCreate(arg: locSettings))
{
using (var locCtx = new GenericContext(outerCtx: ctx)) {
locCtx.Set(prop: DependencyContextProps.DependenciesProp, value: this.ToValueHolder(ownsValue: false));
return(locFactory.CreateAsync(arg: ReferenceKeyProviderSettings, ctx: locCtx).Unwrap().WaitResultWithTimeout());
}
}
else
{
throw new EonException(message: $"The factory cannot create an instance of the reference key provider using the specified settings.{Environment.NewLine}\tFactory:{locFactory.FmtStr().GNLI2()}{Environment.NewLine}\tSettings:{locSettings.FmtStr().GNLI2()}{Environment.NewLine}\tComponent:{this.FmtStr().GNLI2()}");
}
}
}
void cleanup(IReferenceKeyProvider locProvider)
=> locProvider?.Dispose();
}
P_StorageOpCtxBase P_CreateStrictedCtx(PersistenceEntityReferenceKeyTypeDescriptor key)
=>
ActivationUtilities
.RequireConstructor <P_StorageOpCtx, PersistenceEntityReferenceKeyTypeDescriptor, P_StorageOpCtxBase>(
concreteType: typeof(P_StrictedStorageOpCtx <,>).MakeGenericType(typeArguments: new Type[] { typeof(TEfDbContext), key.EntityType, key.ReferenceKeyType }))
(arg1 : this, arg2 : key);
