public void UpdateFirstCar()
{
int carId = 4;
using (var ts = new TransactionScope())
{
using (var uow = new UnitOfWorkScope <CarsContext>(UnitOfWorkScopePurpose.Writing))
{
Car c = SharedQueries.GetCar(carId);
c.Color = "White";
uow.SaveChanges();
}
using (var ctx = new CarsContext())
{
Assert.AreEqual("White",
ctx.Cars.Single(c => c.CarId == carId).Color);
}
}
using (var ctx = new CarsContext())
{
Assert.AreEqual("Red",
ctx.Cars.Single(c => c.CarId == carId).Color);
}
}
private async Task <TCacheableObject> GetOrCreateAsync <TCacheableObject>(
string cacheKey,
Func <Task <TCacheableObject> > queryCacheableObject,
Func <Data.ModelModificationDate, DateTime> getModificationDate)
where TCacheableObject : class, ICacheableObject
{
TCacheableObject cacheableObject;
if (this.memoryCache != null)
{
cacheableObject = this.memoryCache.Get <TCacheableObject>(cacheKey);
var databaseModelModificationDate = await SharedQueries.GetModelModificationDateAsync(this.context);
var modificationDate = getModificationDate(databaseModelModificationDate);
if (cacheableObject != null && modificationDate <= cacheableObject.CacheValuesDateTime)
{
return(cacheableObject);
}
cacheableObject = await queryCacheableObject().ConfigureAwait(false);
cacheableObject.CacheValuesDateTime = modificationDate;
var cacheEntryOptions = new MemoryCacheEntryOptions()
.SetPriority(CacheItemPriority.NeverRemove);
this.memoryCache.Set(cacheKey, cacheableObject, cacheEntryOptions);
return(cacheableObject);
}
return(await queryCacheableObject());
}
public Repository(IDbConnectionProvider dbConnectionProvider, SharedQueries sharedQueries)
{
_dbConnectionProvider = dbConnectionProvider;
_sharedQueries = sharedQueries;
}
