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