C# (CSharp) MongoDB.Driver.Internal ConnectedInstanceCollection.GetAllInstances示例

GetAllInstances() public method

Gets a list of all instances.

public GetAllInstances ( ) : List
return	List

示例#1

文件： ShardedMongoServerProxy.cs 项目： davidww11/mongo-csharp-driver

        // protected methods
        /// <summary>
        /// Chooses the server instance.
        /// </summary>
        /// <param name="connectedInstances">The connected instances.</param>
        /// <param name="readPreference">The read preference.</param>
        /// <returns>A MongoServerInstance.</returns>
        protected override MongoServerInstance ChooseServerInstance(ConnectedInstanceCollection connectedInstances, ReadPreference readPreference)
        {
            var instancesWithPingTime = connectedInstances.GetAllInstances();

            if (instancesWithPingTime.Count == 0)
            {
                return(null);
            }
            else if (instancesWithPingTime.Count == 1)
            {
                return(instancesWithPingTime[0].Instance);
            }
            else
            {
                var secondaryAcceptableLatency = Settings.SecondaryAcceptableLatency;
                var minPingTime = instancesWithPingTime[0].CachedAveragePingTime;
                var maxPingTime = minPingTime + secondaryAcceptableLatency;
                var n           = instancesWithPingTime.Count(i => i.CachedAveragePingTime <= maxPingTime);
                lock (_randomLock)
                {
                    var index = _random.Next(n);
                    return(instancesWithPingTime[index].Instance); // return random instance
                }
            }
        }

示例#2

文件： ShardedMongoServerProxy.cs 项目： wireclub/mongo-csharp-driver

 // protected methods
 /// <summary>
 /// Chooses the server instance.
 /// </summary>
 /// <param name="connectedInstances">The connected instances.</param>
 /// <param name="readPreference">The read preference.</param>
 /// <returns>A MongoServerInstance.</returns>
 protected override MongoServerInstance ChooseServerInstance(ConnectedInstanceCollection connectedInstances, ReadPreference readPreference)
 {
     var instancesWithPingTime = connectedInstances.GetAllInstances();
     if (instancesWithPingTime.Count == 0)
     {
         return null;
     }
     else if (instancesWithPingTime.Count == 1)
     {
         return instancesWithPingTime[0].Instance;
     }
     else
     {
         var minPingTime = instancesWithPingTime[0].CachedAveragePingTime;
         var maxPingTime = minPingTime + readPreference.SecondaryAcceptableLatency;
         var n = instancesWithPingTime.Count(i => i.CachedAveragePingTime <= maxPingTime);
         lock (_randomLock)
         {
             var index = _random.Next(n);
             return instancesWithPingTime[index].Instance; // return random instance
         }
     }
 }