Merge pull request #260 from leosvelperez/master

#248 Exchanging operands in the ternary operators of server selection in TryResend in ServerSelectionStrategy

StackExchange.Redis/StackExchange/Redis/ServerSelectionStrategy.cs

@@ -132,14 +132,14 @@ public bool TryResend(int hashSlot, Message message, EndPoint endpoint, bool isM
                         var command = message.Command;
                         switch (Message.GetMasterSlaveFlags(message.Flags))
                         {
-                            case CommandFlags.DemandMaster:
-                                resendVia = server.IsSelectable(command) ? null : server;
+                            case CommandFlags.DemandMaster:
+                                resendVia = server.IsSelectable(command) ? server : null;
                                 break;
-                            case CommandFlags.PreferMaster:
-                                resendVia = server.IsSelectable(command) ? FindSlave(server, command) : server;
+                            case CommandFlags.PreferMaster:
+                                resendVia = server.IsSelectable(command) ? server : FindSlave(server, command);
                                 break;
-                            case CommandFlags.PreferSlave:
-                                resendVia = FindSlave(server, command) ?? (server.IsSelectable(command) ? null : server);
+                            case CommandFlags.PreferSlave:
+                                resendVia = FindSlave(server, command) ?? (server.IsSelectable(command) ? server : null);
                                 break;
                             case CommandFlags.DemandSlave:
                                 resendVia = FindSlave(server, command);