コード例 #1
0
        /// <summary>
        /// 写入数据库的具体方法
        /// </summary>
        private void Worker()
        {
            int interval = Interval;

            do
            {
                List <IStreamData> streamData = null;

                //从队列获取流数据接口集合
                lock (_lock) streamData = queue.Take(MaxSamplePerQuery).ToList();

                if (streamData != null && streamData.Count > 0)
                {
                    //发送的数据的Id集合
                    var sentIds = new List <string>();
                    //是否发送成功
                    bool success = true;

                    //把ConnectionDefintions写入数据库
                    //根据指定类型ConnectionDefinitionData从流数据中筛选该类型的元素集合
                    var connections = streamData.OfType <ConnectionDefinitionData>().ToList();
                    //如果success为真且ConnectionDefinitionData类型的元素集合connections不为空MySQLDatabase.Write(connections)
                    if (success && !connections.IsNullOrEmpty())
                    {
                        if (MySQLDatabase.Write(connections))
                        {
                            sentIds.AddRange(GetSentDataIds(connections.ToList <IStreamData>(), "Connections"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0}{1}", connections.Count, "Connections"));
                            success = false;
                        }
                    }

                    //把AgentDefinitions写入数据库
                    var agents = streamData.OfType <AgentDefinitionData>().ToList();
                    if (success && !agents.IsNullOrEmpty())
                    {
                        if (MySQLDatabase.Write(agents))
                        {
                            sentIds.AddRange(GetSentDataIds(agents.ToList <IStreamData>(), "Agents"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0}{1}", agents.Count, "Agents"));
                            success = false;
                        }
                    }

                    //把AssetDefinitions写入数据库
                    var assets = streamData.OfType <AssetDefinitionData>().ToList();
                    if (success && !assets.IsNullOrEmpty())
                    {
                        if (MySQLDatabase.Write(assets))
                        {
                            sentIds.AddRange(GetSentDataIds(assets.ToList <IStreamData>(), "Assets"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0}{1}", assets.Count, "Assets"));
                            success = false;
                        }
                    }

                    //把ComponentDefinitions写入数据库, test results=success
                    var components = streamData.OfType <ComponentDefinitionData>().ToList();
                    if (success && !components.IsNullOrEmpty())
                    {
                        if (MySQLDatabase.Write(components))
                        {
                            sentIds.AddRange(GetSentDataIds(components.ToList <IStreamData>(), "Components"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0}{1}", components.Count, "Components"));
                            success = false;
                        }
                    }

                    // 把DataItemDefinitionData类型的数据写入数据库,test results=success
                    var dataItems = streamData.OfType <DataItemDefinitionData>().ToList();
                    if (success && !dataItems.IsNullOrEmpty())
                    {
                        if (MySQLDatabase.Write(dataItems))
                        {
                            sentIds.AddRange(GetSentDataIds(dataItems.ToList <IStreamData>(), "DataItems"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0} {1}", dataItems.Count, "DataItems"));
                            success = false;
                        }
                    }

                    // 把DeviceDefinitions写入数据库,test results=success
                    var devices = streamData.OfType <DeviceDefinitionData>().ToList();
                    if (success && !devices.IsNullOrEmpty())
                    {
                        if (MySQLDatabase.Write(devices))
                        {
                            sentIds.AddRange(GetSentDataIds(devices.ToList <IStreamData>(), "Devices"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0} {1}", devices.Count, "Devices"));
                            success = false;
                        }
                    }

                    //把加工的不合格零件RejectedPart写入数据库

                    // 把采样类型 Samples的数据写入数据库
                    var samples = streamData.OfType <SampleData>().ToList();
                    if (success && !samples.IsNullOrEmpty())
                    {
                        var newSamples = new List <SampleData>();

                        // Only add the newest CURRENT_SAMPLE data,test result=success
                        var deviceIds = samples.FindAll(o => o.StreamDataType == StreamDataType.CURRENT_SAMPLE).Select(o => o.DeviceId).Distinct();
                        foreach (var deviceId in deviceIds)
                        {
                            var dataItemIds = samples.FindAll(o => o.StreamDataType == StreamDataType.CURRENT_SAMPLE && o.DeviceId == deviceId).Select(o => o.Id).Distinct();
                            foreach (var dataItemId in dataItemIds)
                            {
                                var sample = samples.FindAll(o => o.DeviceId == deviceId && o.Id == dataItemId).OrderByDescending(o => o.Timestamp).First();
                                newSamples.Add(sample);
                            }

                            // Clear the unused CURRENT_SAMPLE data from the queue
                            foreach (var sample in samples)
                            {
                                if (!newSamples.Exists(o => o.EntryId == sample.EntryId))
                                {
                                    lock (_lock) queue.RemoveAll(o => o.EntryId == sample.EntryId);
                                }
                            }
                        }

                        // Add any ARCHIVE_SAMPLE data,test results=success
                        newSamples.AddRange(samples.FindAll(o => o.StreamDataType == StreamDataType.ARCHIVED_SAMPLE));

                        if (MySQLDatabase.Write(newSamples))
                        {
                            sentIds.AddRange(GetSentDataIds(newSamples.ToList <IStreamData>(), "Samples"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0} {1}", newSamples.Count, "Samples"));
                            success = false;
                        }
                    }

                    // Write Statuses to Database,test results=false
                    var statuses = streamData.OfType <StatusData>().ToList();
                    if (success && statuses != null && statuses.Count > 0)
                    {
                        var newStatuses = new List <StatusData>();

                        var deviceIds = statuses.Select(o => o.DeviceId).Distinct();
                        foreach (var deviceId in deviceIds)
                        {
                            var status = statuses.FindAll(o => o.DeviceId == deviceId).OrderByDescending(o => o.Timestamp).First();
                            newStatuses.Add(status);
                        }

                        if (MySQLDatabase.Write(newStatuses))
                        {
                            sentIds.AddRange(GetSentDataIds(newStatuses.ToList <IStreamData>(), "Status"));
                        }
                        else
                        {
                            log.Info(string.Format("Error writing {0} {1}", newStatuses.Count, "Statuses"));
                            success = false;
                        }
                    }


                    if (sentIds.Count > 0)
                    {
                        // Remove written samples
                        foreach (var id in sentIds)
                        {
                            lock (_lock) queue.RemoveAll(o => o.EntryId == id);
                        }
                    }

                    if (!success)
                    {
                        interval = RetryInterval;
                        log.Info("Queue Failed to Send Successfully : Retrying in " + RetryInterval + "ms");
                    }
                    else
                    {
                        interval = Interval;
                    }
                }
            }while (!stop.WaitOne(interval, true));
        }