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C# NpgsqlConnector.ReleaseResources方法代码示例

本文整理汇总了C#中Npgsql.NpgsqlConnector.ReleaseResources方法的典型用法代码示例。如果您正苦于以下问题:C# NpgsqlConnector.ReleaseResources方法的具体用法?C# NpgsqlConnector.ReleaseResources怎么用?C# NpgsqlConnector.ReleaseResources使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Npgsql.NpgsqlConnector的用法示例。


在下文中一共展示了NpgsqlConnector.ReleaseResources方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: GetSharedConnector

        /*
                /// <summary>
                /// Find an available shared connector in the shared pool, or create
                /// a new one if none found.
                /// </summary>
                private NpgsqlConnector GetSharedConnector(NpgsqlConnection Connection)
                {
                    // To be implemented

                    return null;
                }
        */
        /// <summary>
        /// Put a pooled connector into the pool queue.
        /// </summary>
        /// <param name="Connector">Connector to pool</param>
        private void UngetConnector(NpgsqlConnection Connection, NpgsqlConnector Connector)
        {
            ConnectorQueue queue;

            // Find the queue.
            // As we are handling all possible queues, we have to lock everything...
            lock (locker)
            {
                PooledConnectors.TryGetValue(Connection.ConnectionString, out queue);
            }

            if (queue == null)
            {
                Connector.Close(); // Release connection to postgres
                return; // Queue may be emptied by connection problems. See ClearPool below.
            }

            Connector.ProvideClientCertificatesCallback -= Connection.ProvideClientCertificatesCallbackDelegate;
            Connector.CertificateSelectionCallback -= Connection.CertificateSelectionCallbackDelegate;
            Connector.CertificateValidationCallback -= Connection.CertificateValidationCallbackDelegate;
            Connector.PrivateKeySelectionCallback -= Connection.PrivateKeySelectionCallbackDelegate;
            Connector.ValidateRemoteCertificateCallback -= Connection.ValidateRemoteCertificateCallbackDelegate;

            bool inQueue = false;

            lock (queue)
            {
                inQueue = queue.Busy.ContainsKey(Connector);
                queue.Busy.Remove(Connector);
            }

            if (!Connector.IsInitialized)
            {
                if (Connector.Transaction != null)
                {
                    Connector.Transaction.Cancel();
                }

                Connector.Close();
            }
            else
            {
                if (Connector.Transaction != null)
                {
                    try
                    {
                        Connector.Transaction.Rollback();
                    }
                    catch
                    {
                        Connector.Close();
                    }
                }
            }

            if (Connector.State == ConnectionState.Open)
            {
                //If thread is good
                if ((Thread.CurrentThread.ThreadState & (ThreadState.Aborted | ThreadState.AbortRequested)) == 0)
                {
                    // Release all resources associated with this connector.
                    try
                    {
                        Connector.ReleaseResources();
                    }
                    catch (Exception)
                    {
                        //If the connector fails to release its resources then it is probably broken, so make sure we don't add it to the queue.
                        // Usually it already won't be in the queue as it would of broken earlier
                        inQueue = false;
                    }

                    if (inQueue)
                        lock (queue)
                        {
                            queue.Available.Enqueue(Connector);
                        }
                    else
                        Connector.Close();
                }
                else
                {
                    //Thread is being aborted, this connection is possibly broken. So kill it rather than returning it to the pool
                    Connector.Close();
//.........这里部分代码省略.........
开发者ID:jasonabi,项目名称:Npgsql2,代码行数:101,代码来源:NpgsqlConnectorPool.cs

示例2: UngetPooledConnector

        /// <summary>
        /// Put a pooled connector into the pool queue.
        /// </summary>
        /// <param name="Connector">Connector to pool</param>
        private void UngetPooledConnector(NpgsqlConnection Connection, NpgsqlConnector Connector)
        {
            ConnectorQueue           Queue;

            // Find the queue.
            Queue = (ConnectorQueue)PooledConnectors[Connector.ConnectionString.ToString()];

            if (Queue == null)
                return;  // Queue may be emptied by connection problems. See ClearPool below.

            Connector.CertificateSelectionCallback -= Connection.CertificateSelectionCallbackDelegate;
            Connector.CertificateValidationCallback -= Connection.CertificateValidationCallbackDelegate;
            Connector.PrivateKeySelectionCallback -= Connection.PrivateKeySelectionCallbackDelegate;

            Queue.UseCount--;

            if (! Connector.IsInitialized)
            {
                if (Connector.Transaction != null)
                {
                    Connector.Transaction.Cancel();
                }

                Connector.Close();
            }
            else
            {
                if (Connector.Transaction != null)
                {
                    try
                    {
                        Connector.Transaction.Rollback();
                    }
                    catch {
                        Connector.Close()
                        ;
                    }
                }
        }

        if (Connector.State == System.Data.ConnectionState.Open)
            {
                // Release all resources associated with this connector.
                Connector.ReleaseResources();

                Queue.Enqueue(Connector);
            }
        }
开发者ID:nlhepler,项目名称:mono,代码行数:52,代码来源:NpgsqlConnectorPool.cs


注:本文中的Npgsql.NpgsqlConnector.ReleaseResources方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。