示例#1
0
 private static ISessionToken ResolvePartitionLocalSessionToken(SessionContainerState self, DocumentServiceRequest request, string partitionKeyRangeId)
 {
     return(SessionTokenHelper.ResolvePartitionLocalSessionToken(request, partitionKeyRangeId, SessionContainer.GetPartitionKeyRangeIdToTokenMap(self, request)));
 }
        private static string ResolvePartitionLocalSessionTokenForGateway(SessionContainerState self,
                                                                          DocumentServiceRequest request,
                                                                          string partitionKeyRangeId)
        {
            ConcurrentDictionary <string, ISessionToken> partitionKeyRangeIdToTokenMap = SessionContainer.GetPartitionKeyRangeIdToTokenMap(self, request);

            if (partitionKeyRangeIdToTokenMap != null)
            {
                if (partitionKeyRangeIdToTokenMap.TryGetValue(partitionKeyRangeId, out ISessionToken sessionToken))
                {
                    return(partitionKeyRangeId + SessionContainer.sessionTokenSeparator + sessionToken.ConvertToString());
                }
                else if (request.RequestContext.ResolvedPartitionKeyRange.Parents != null)
                {
                    ISessionToken parentSessionToken = null;
                    for (int parentIndex = request.RequestContext.ResolvedPartitionKeyRange.Parents.Count - 1; parentIndex >= 0; parentIndex--)
                    {
                        if (partitionKeyRangeIdToTokenMap.TryGetValue(request.RequestContext.ResolvedPartitionKeyRange.Parents[parentIndex],
                                                                      out sessionToken))
                        {
                            // A partition can have more than 1 parent (merge). In that case, we apply Merge to generate a token with both parent's max LSNs
                            parentSessionToken = parentSessionToken != null?parentSessionToken.Merge(sessionToken) : sessionToken;
                        }
                    }

                    // When we don't have the session token for a partition, we can leverage the session token of the parent(s)
                    if (parentSessionToken != null)
                    {
                        return(partitionKeyRangeId + SessionContainer.sessionTokenSeparator + parentSessionToken.ConvertToString());
                    }
                }
            }

            return(null);
        }
示例#3
0
        private static string ResolveGlobalSessionToken(SessionContainerState self, DocumentServiceRequest request)
        {
            ConcurrentDictionary <string, ISessionToken> partitionKeyRangeIdToTokenMap = SessionContainer.GetPartitionKeyRangeIdToTokenMap(self, request);

            if (partitionKeyRangeIdToTokenMap != null)
            {
                return(SessionContainer.GetSessionTokenString(partitionKeyRangeIdToTokenMap));
            }

            return(string.Empty);
        }
        private static string ResolvePartitionLocalSessionTokenForGateway(SessionContainerState self,
                                                                          DocumentServiceRequest request,
                                                                          string partitionKeyRangeId)
        {
            ConcurrentDictionary <string, ISessionToken> partitionKeyRangeIdToTokenMap = SessionContainer.GetPartitionKeyRangeIdToTokenMap(self, request);

            if (partitionKeyRangeIdToTokenMap != null)
            {
                if (partitionKeyRangeIdToTokenMap.TryGetValue(partitionKeyRangeId, out ISessionToken sessionToken))
                {
                    return(partitionKeyRangeId + ":" + sessionToken.ConvertToString());
                }
                else if (request.RequestContext.ResolvedPartitionKeyRange.Parents != null)
                {
                    for (int parentIndex = request.RequestContext.ResolvedPartitionKeyRange.Parents.Count - 1; parentIndex >= 0; parentIndex--)
                    {
                        if (partitionKeyRangeIdToTokenMap.TryGetValue(request.RequestContext.ResolvedPartitionKeyRange.Parents[parentIndex],
                                                                      out sessionToken))
                        {
                            return(partitionKeyRangeId + ":" + sessionToken.ConvertToString());
                        }
                    }
                }
            }

            return(null);
        }