/// <summary>Faults if exception is provided, otherwise calls through to decorated storage provider.</summary>
/// <param name="grainType">Type of this grain [fully qualified class name]</param>
/// <param name="grainReference">Grain reference object for this grain.</param>
/// <param name="grainState">Copy of last-known state data object for this grain.</param>
/// <returns>Completion promise for the Delete operation on the specified grain.</returns>
public async Task ClearStateAsync <T>(string grainType, GrainReference grainReference, IGrainState <T> grainState)
{
IStorageFaultGrain faultGrain = grainFactory.GetGrain <IStorageFaultGrain>(grainType);
try
{
await InsertDelay();
await faultGrain.OnClear(grainReference);
}
catch (Exception)
{
logger.LogInformation(
"Fault injected for ClearState for grain {GrainId} of type {GrainType}",
grainReference.GrainId,
grainType);
throw;
}
logger.LogInformation(
"ClearState for grain {GrainId} of type {GrainType}",
grainReference.GrainId,
grainType);
await realStorageProvider.ClearStateAsync(grainType, grainReference, grainState);
}
/// <summary>Faults if exception is provided, otherwise calls through to decorated storage provider.</summary>
/// <param name="grainType">Type of this grain [fully qualified class name]</param>
/// <param name="grainReference">Grain reference object for this grain.</param>
/// <param name="grainState">State data object to be written for this grain.</param>
/// <returns>Completion promise for the Write operation on the specified grain.</returns>
public async Task WriteStateAsync(string grainType, GrainReference grainReference, IGrainState grainState)
{
IStorageFaultGrain faultGrain = grainFactory.GetGrain <IStorageFaultGrain>(grainType);
try
{
await faultGrain.OnWrite(grainReference);
}
catch (Exception)
{
Log.Info($"Fault injected for WriteState for grain {grainReference} of type {grainType}");
throw;
}
Log.Info($"WriteState for grain {grainReference} of type {grainType}");
await realStorageProvider.WriteStateAsync(grainType, grainReference, grainState);
}
/// <summary>Faults if exception is provided, otherwise calls through to decorated storage provider.</summary>
/// <param name="grainType">Type of this grain [fully qualified class name]</param>
/// <param name="grainReference">Grain reference object for this grain.</param>
/// <param name="grainState">State data object to be populated for this grain.</param>
/// <returns>Completion promise for the Read operation on the specified grain.</returns>
public async Task ReadStateAsync(string grainType, GrainReference grainReference, IGrainState grainState)
{
IStorageFaultGrain faultGrain = grainFactory.GetGrain <IStorageFaultGrain>(grainType);
try
{
await InsertDelay();
await faultGrain.OnRead(grainReference);
}
catch (Exception)
{
logger.Info($"Fault injected for ReadState for grain {grainReference} of type {grainType}, ");
throw;
}
logger.Info($"ReadState for grain {grainReference} of type {grainType}");
await realStorageProvider.ReadStateAsync(grainType, grainReference, grainState);
}
