Пример #1
0
        public void Batch(Action <PersistentHashTableActions> action)
        {
            if (versionGenerator == null)
            {
                throw new InvalidOperationException("The PHT was not initialized. Did you forgot to call table.Initialize(); ?");
            }

            for (int i = 0; i < 5; i++)
            {
                try
                {
                    using (var pht = new PersistentHashTableActions(
                               instance, database, HttpRuntime.Cache, Id, versionGenerator,
                               keysColumns, listColumns, replicationColumns, replicationRemovalColumns, dataColumns))
                    {
                        action(pht);
                    }
                    return;
                }
                // if we run into a write conflict, we will wait a bit and then retry
                catch (EsentErrorException e)
                {
                    if (e.Error != JET_err.WriteConflict)
                    {
                        throw;
                    }
                    Thread.Sleep(10);
                }
            }
        }
Пример #2
0
 public void Batch(Action<PersistentHashTableActions> action)
 {
     using (var pht = new PersistentHashTableActions(instance, database, HttpRuntime.Cache, Id))
     {
         action(pht);
     }
 }
 private static void RegisterRemovalForReplication(RemoveRequest request,
     PersistentHashTableActions actions,
     ValueVersion version)
 {
     foreach (var hash in actions.GetReplicationHashes(request.Key, version))
     {
         actions.AddReplicationRemovalInfo(
             request.Key,
             version,
             hash
             );
     }
 }
        private static void AssertSegmentNotMoved(PersistentHashTableActions actions,
            int? segment)
        {
            if(segment < 0)
                throw new ArgumentNullException("segment", "Segment cannot be negative");

            var values = actions.Get(new GetRequest
            {
                Key = Constants.MovedSegment + segment
            });
            if(values.Length>0)
            {
                throw new SeeOtherException("This key belongs to a segment assigned to another node")
                {
                    Endpoint = NodeEndpoint.FromBytes(values[0].Data)
                };
            }
        }
Пример #5
0
        public void Batch(Action<PersistentHashTableActions> action)
        {
            if (versionGenerator == null)
                throw new InvalidOperationException("The PHT was not initialized. Did you forgot to call table.Initialize(); ?");

            for (int i = 0; i < 5; i++)
            {
                try
                {
                    using (var pht = new PersistentHashTableActions(
                        instance, database, HttpRuntime.Cache, Id, versionGenerator,
                        keysColumns, listColumns, replicationColumns, replicationRemovalColumns, dataColumns))
                    {
                        action(pht);
                    }
                    return;
                }
                // if we run into a write conflict, we will wait a bit and then retry
                catch (EsentErrorException e)
                {
                    if (e.Error != JET_err.WriteConflict)
                        throw;
                    Thread.Sleep(10);
                }
            }
        }
 private static bool MarkSegmentAsAssignedToEndpoint(PersistentHashTableActions actions,
     NodeEndpoint endpoint,
     int segment)
 {
     var result = actions.Put(new PutRequest
     {
         Key = Constants.MovedSegment + segment,
         OptimisticConcurrency = true,
         Bytes = endpoint.ToBytes(),
     });
     return result.ConflictExists == false;
 }