107 lines
3.9 KiB
C#
107 lines
3.9 KiB
C#
using ConsoleApp2.Const;
|
||
using ConsoleApp2.HostedServices.Abstractions;
|
||
using ConsoleApp2.Options;
|
||
using ConsoleApp2.Services;
|
||
using Microsoft.Extensions.DependencyInjection;
|
||
using Microsoft.Extensions.Logging;
|
||
using Microsoft.Extensions.Options;
|
||
|
||
namespace ConsoleApp2.HostedServices;
|
||
|
||
/// <summary>
|
||
/// 数据导出服务，将数据导出至MySql服务
|
||
/// </summary>
|
||
public class OutputService : IOutputService
|
||
{
|
||
private readonly ILogger _logger;
|
||
private readonly DataRecordQueue _consumerQueue;
|
||
private readonly IOptions<DatabaseOutputOptions> _outputOptions;
|
||
private readonly IOptions<DataTransformOptions> _transformOptions;
|
||
private readonly ProcessContext _context;
|
||
private readonly TaskManager _taskManager;
|
||
private readonly ErrorRecorder _errorRecorder;
|
||
|
||
public OutputService(ILogger<OutputService> logger,
|
||
[FromKeyedServices(ProcessStep.Consumer)] DataRecordQueue consumerQueue,
|
||
IOptions<DatabaseOutputOptions> outputOptions,
|
||
ProcessContext context,
|
||
TaskManager taskManager,
|
||
IOptions<DataTransformOptions> transformOptions,
|
||
ErrorRecorder errorRecorder)
|
||
{
|
||
_logger = logger;
|
||
_consumerQueue = consumerQueue;
|
||
_outputOptions = outputOptions;
|
||
_context = context;
|
||
_taskManager = taskManager;
|
||
_transformOptions = transformOptions;
|
||
_errorRecorder = errorRecorder;
|
||
}
|
||
|
||
public async Task ExecuteAsync(CancellationToken cancellationToken)
|
||
{
|
||
_logger.LogInformation("***** Mysql output service started *****");
|
||
_taskManager.CreateTasks(async () =>
|
||
{
|
||
var records = new List<DataRecord>();
|
||
while (!_context.IsTransformCompleted || _consumerQueue.Count > 0)
|
||
{
|
||
if (!_consumerQueue.TryDequeue(out var record)) continue;
|
||
records.Add(record);
|
||
//_logger.LogInformation(@"*****OutputCount: {count} *****",count);
|
||
if (records.Count >= _outputOptions.Value.FlushCount)
|
||
{
|
||
await FlushAsync(records);
|
||
records.Clear();
|
||
}
|
||
if (_context.GetExceptions().Count>0)
|
||
{
|
||
_logger.LogInformation("***** Csv output thread is canceled *****");
|
||
return;
|
||
}
|
||
}
|
||
if (records.Count > 0)
|
||
{
|
||
await FlushAsync(records);
|
||
records.Clear();
|
||
_logger.LogInformation("***** Mysql output thread completed *****");
|
||
}
|
||
}, _outputOptions.Value.TaskCount);
|
||
|
||
await _taskManager.WaitAll();
|
||
//_context.CompleteOutput();
|
||
_logger.LogInformation(@"***** Mysql output service completed *****");
|
||
|
||
}
|
||
|
||
private async Task FlushAsync(IEnumerable<DataRecord> records)
|
||
{
|
||
var count = 0;
|
||
await using var output = new MySqlDestination(
|
||
_outputOptions.Value.ConnectionString ?? throw new InvalidOperationException("Connection string is required"),
|
||
_logger, _context, _transformOptions, _errorRecorder);
|
||
//if (records == null || records.Count() == 0) return;
|
||
//var dbName = $"cferp_test_1";
|
||
//if (records != null && records.Count() > 0)
|
||
//{
|
||
// dbName = $"cferp_test_{records.FirstOrDefault()?.CompanyID}";
|
||
//}
|
||
|
||
//await using var output = new MySqlDestination(new MySqlConnectionStringBuilder
|
||
//{
|
||
// Server = "127.0.0.1",
|
||
// Port = 34309,
|
||
// Database = dbName,
|
||
// UserID = "root",
|
||
// Password = "123456",
|
||
// MaximumPoolSize = 50,
|
||
//}.ConnectionString, _logger,true);
|
||
foreach (var record in records)
|
||
{
|
||
await output.WriteRecordAsync(record);
|
||
count++;
|
||
}
|
||
await output.FlushAsync(_outputOptions.Value.MaxAllowedPacket);
|
||
_context.AddOutput(count);
|
||
}
|
||
} |