83 lines
3.2 KiB
C#
83 lines
3.2 KiB
C#
using ConsoleApp2.Const;
|
|
using ConsoleApp2.HostedServices.Abstractions;
|
|
using ConsoleApp2.Options;
|
|
using ConsoleApp2.Services;
|
|
using Microsoft.Extensions.Caching.Distributed;
|
|
using Microsoft.Extensions.DependencyInjection;
|
|
using Microsoft.Extensions.Logging;
|
|
using Microsoft.Extensions.Options;
|
|
using StackExchange.Redis;
|
|
|
|
namespace ConsoleApp2.HostedServices;
|
|
|
|
/// <summary>
|
|
/// 数据处理服务，对导入后的数据进行处理
|
|
/// </summary>
|
|
public class TransformService : ITransformService
|
|
{
|
|
private readonly ILogger _logger;
|
|
private readonly IOptions<DataTransformOptions> _options;
|
|
private readonly ProcessContext _context;
|
|
private readonly IDistributedCache _cache;
|
|
private readonly TaskManager _taskManager;
|
|
|
|
|
|
public TransformService(ILogger<TransformService> logger,
|
|
IOptions<DataTransformOptions> options,
|
|
ProcessContext context,
|
|
IDistributedCache cache,
|
|
TaskManager taskManager)
|
|
{
|
|
_logger = logger;
|
|
_options = options;
|
|
_context = context;
|
|
_cache = cache;
|
|
_taskManager = taskManager;
|
|
}
|
|
|
|
public async Task ExecuteAsync(TasksOptions tasksOptions, DataRecordQueue producerQueue, DataRecordQueue consumerQueue, ProcessContext context, CancellationToken cancellationToken)
|
|
{
|
|
_logger.LogInformation("***** Data transform service started, thread id: {ThreadId} *****", Environment.CurrentManagedThreadId);
|
|
|
|
_taskManager.CreateTasks(async () =>
|
|
{
|
|
while ((!context.IsInputCompleted || producerQueue.Count > 0))
|
|
{
|
|
if (_context.GetExceptions().Count > 0)
|
|
{
|
|
_logger.LogInformation("***** Csv transform service is canceled *****");
|
|
return;
|
|
}
|
|
if (!producerQueue.TryDequeue(out var record)) continue;
|
|
|
|
//过滤不要的record
|
|
if (await _options.Value.RecordFilter?.Invoke(record, _cache) == false) continue;
|
|
record.Database = _options.Value.DatabaseFilter?.Invoke(record);
|
|
//修改record
|
|
_options.Value.RecordModify?.Invoke(record);
|
|
//缓存record
|
|
_options.Value.RecordCache?.Invoke(record, _cache);
|
|
//替换record
|
|
var replaceRecord = await _options.Value.RecordReplace?.Invoke(record, _cache);
|
|
if (replaceRecord != null)
|
|
{
|
|
record = replaceRecord;
|
|
}
|
|
consumerQueue.Enqueue(record);
|
|
_context.AddTransform();
|
|
//数据增加
|
|
var addRecords = _options.Value.RecordAdd?.Invoke(record);
|
|
if (addRecords != null && addRecords.Count > 0)
|
|
{
|
|
foreach (var rc in addRecords)
|
|
{
|
|
consumerQueue.Enqueue(rc);
|
|
_context.AddTransform();
|
|
}
|
|
}
|
|
}
|
|
context.CompleteTransform();
|
|
},tasksOptions.TransformTaskCount,cancellationToken);
|
|
_logger.LogInformation("***** Data transformation service completed *****");
|
|
}
|
|
} |