public Task <OperationResultOf <TEntity> > TryGetSingleAsync(TKey key,
CancellationToken cancellation = default,
params Expression <Func <TEntity, object> >[] toBeIncluded)
{
var validationOpRes = _keyValueValidator.Validate(key);
if (!validationOpRes)
{
return(Task.FromResult(validationOpRes.AsFailedOpResOf <TEntity>()));
}
return(_dbContextProvider.TryUseAsync(dbSession =>
InternalTryGetSingleAsync(dbSession, key,
trackChanges: false,
cancellation,
toBeIncluded)));
}
public OperationResultOf <TValue> TryCreate(TKey key,
Action <TValue> init = null)
{
//Validate key
var validateOpRes = _keyValueValidator.Validate(key);
if (!validateOpRes)
{
return(validateOpRes.AsFailedOpResOf <TValue>());
}
// Ensure key is unique
if (_streamStore.CheckExists(key))
{
return($"{key} already exists in store"
.AsFailedOpResOf <TValue>());
}
// Create new value and validate
var newValue = new TValue();
init?.Invoke(newValue);
validateOpRes = _keyValueValidator.Validate(newValue);
if (!validateOpRes)
{
return(validateOpRes.AsFailedOpResOf <TValue>());
}
// Create stream for new value
var createStreamOpRes = _streamStore.TryCreate(key);
if (!createStreamOpRes)
{
return(new OperationResultOf <TValue>());
}
// Serialize value and write to stream store
return(TrySerializeAndReturnValue(
value: newValue,
destinationStream: createStreamOpRes));
}
public Task <OperationResultOf <TValue> > TryCreateAsync(TKey key,
Action <TValue> init = null)
{
//Validate key
var validateOpRes = _keyValueValidator.Validate(key);
if (!validateOpRes)
{
return(Task.FromResult(validateOpRes.AsFailedOpResOf <TValue>()));
}
// Ensure key is unique
if (_streamStore.CheckExists(key))
{
return(Task.FromResult(
$"{key} already exists in store".AsFailedOpResOf <TValue>()));
}
// Create new value and validate
var newValue = new TValue();
init?.Invoke(newValue);
validateOpRes = _keyValueValidator.Validate(newValue);
if (!validateOpRes)
{
return(Task.FromResult(validateOpRes.AsFailedOpResOf <TValue>()));
}
// Create stream for new value
var createStreamOpRes = _streamStore.TryCreate(key);
if (!createStreamOpRes)
{
return(Task.FromResult(new OperationResultOf <TValue>()));
}
return(TrySerializeAndReturnValueAsync(newValue,
createStreamOpRes));
}
