/// <summary>
/// 初始化 <see cref="DefaultAsyncTaskRunner{T}"/> 类的新实例。
/// </summary>
/// <param name="serviceProvider"></param>
/// <param name="delay">延迟时间。</param>
/// <param name="period">执行触发间隔时间。</param>
/// <param name="context">执行上下文对象。</param>
public DefaultAsyncTaskRunner(TimeSpan delay, TimeSpan period, IAsyncTaskExecutor executor, TaskExecuteContext context)
{
_delay = delay;
_period = period;
_executor = executor;
_context = context;
}
/// <summary>
/// 启动一个异步的任务执行器。
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="options">启动选项。</param>
public void StartExecutorAsync <T>(StartOptions <T> options) where T : IAsyncTaskExecutor
{
if (!(typeof(T).New(ServiceProvider) is IAsyncTaskExecutor executor))
{
throw new Exception();
}
options.Initializer?.Invoke((T)executor);
var context = new TaskExecuteContext(ServiceProvider, options.Arguments, _stopToken.Token);
AddRunner(new DefaultAsyncTaskRunner(options.Delay, options.Period, executor, context));
}
/// <summary>
/// 开始运行。
/// </summary>
public void Start()
{
if (_timer == null)
{
_timer = new Timer(o =>
{
using var scope = _context.ServiceProvider.TryCreateScope();
var context = new TaskExecuteContext(scope.ServiceProvider, _context.Arguments, _context.CancellationToken);
_executor.ExecuteAsync(context);
}, null, _delay, _period);
}
}
