private Task <bool> DirectApplyIndexUpdate(IIndexableGrain g, IMemberUpdate updt, bool isUniqueIndex, IndexMetaData idxMetaData, SiloAddress siloAddress)
{
V updatedGrain = g;
HashIndexBucketUtils.UpdateBucket(updatedGrain, updt, state, isUniqueIndex, idxMetaData);
return(Task.FromResult(true));
}
private async Task DirectApplyIndexUpdateNonPersistent(IIndexableGrain g, IMemberUpdate updt, bool isUniqueIndex, IndexMetaData idxMetaData, SiloAddress siloAddress)
{
//this variable determines whether index was still unavailable
//when we received a delete operation
bool fixIndexUnavailableOnDelete = false;
//the target grain that is updated
V updatedGrain = g.AsReference <V>(GrainFactory);
K befImg;
HashIndexSingleBucketEntry <V> befEntry;
//Updates the index bucket synchronously
//(note that no other thread can run concurrently
//before we reach an await operation, so no concurrency
//control mechanism (e.g., locking) is required)
if (!HashIndexBucketUtils.UpdateBucket(updatedGrain, updt, State, isUniqueIndex, idxMetaData, out befImg, out befEntry, out fixIndexUnavailableOnDelete))
{
await(await GetNextBucketAndPersist()).DirectApplyIndexUpdate(g, updt.AsImmutable(), isUniqueIndex, idxMetaData, siloAddress);
}
//if the index was still unavailable
//when we received a delete operation
//if (fixIndexUnavailableOnDelete)
//{
// //create tombstone
//}
}
