public TaskInfo Dequeue()
{
var jsonString = Backend.Dequeue();
var taskInfo = JsonTaskInfoSerializer.Deserialize(jsonString);
return(taskInfo);
}
public Tuple <string, TaskInfo> SafeDequeue()
{
var jsonString = Backend.Dequeue();
var taskInfo = JsonTaskInfoSerializer.Deserialize(jsonString);
return(Tuple.Create(jsonString, taskInfo));
}
private void RestoreScheduledTasksFromStorage()
{
var serializer = new JsonTaskInfoSerializer();
var scheduledTasks = _taskQueue.Backend.GetList(ScheduleBackupKey)
.Select(s => serializer.Deserialize <TaskSchedule>(s)).ToList();
foreach (var scheduledTask in scheduledTasks)
{
_scheduledTasks[scheduledTask.TaskKey] = scheduledTask;
}
}
public async Task <TaskInfo> Dequeue()
{
var jsonString = await Backend.Dequeue();
if (jsonString == null)
{
return(null);
}
var taskInfo = JsonTaskInfoSerializer.Deserialize(jsonString);
return(taskInfo);
}
/// <summary>
/// Returns the serialized TaskInfo as well as deserialized so that the serialized value can later
/// be removed from the backing queue.
/// </summary>
/// <returns></returns>
public async Task <Tuple <string, TaskInfo> > SafeDequeue()
{
var jsonString = await Backend.Dequeue();
if (jsonString == null)
{
return(Tuple.Create <string, TaskInfo>(null, null));
}
var taskInfo = JsonTaskInfoSerializer.Deserialize(jsonString);
return(Tuple.Create(jsonString, taskInfo));
}
internal async Task <TaskInfo> Dequeue()
{
var jsonString = await Backend.Dequeue(Config.QueueName);
if (jsonString == null)
{
return(null);
}
var taskInfo = JsonTaskInfoSerializer.Deserialize(jsonString);
taskInfo.UnconvertTypeArgs();
return(taskInfo);
}
/// <summary>
/// Returns the serialized TaskInfo as well as deserialized so that the serialized value can later
/// be removed from the backing queue.
/// </summary>
/// <returns></returns>
public async Task <(string, TaskInfo)> SafeDequeue()
{
var jsonString = await Backend.Dequeue(Config.QueueName);
if (jsonString == null)
{
return(null, null);
}
var taskInfo = JsonTaskInfoSerializer.Deserialize(jsonString);
taskInfo.UnconvertTypeArgs();
return(jsonString, taskInfo);
}
public async Task <RecurringTask> GetRecurringTask(string taskKey)
{
var serializedRecurringTask = await _taskQueue.Backend.GetMapField(ScheduledTasksMapKey,
$"serializedRecurringTask::{taskKey}");
if (string.IsNullOrEmpty(serializedRecurringTask))
{
return(null);
}
var recurringTask = JsonTaskInfoSerializer.Deserialize <RecurringTask>(serializedRecurringTask);
return(recurringTask);
}
private async Task RescheduleRecurringTasks()
{
var sw = System.Diagnostics.Stopwatch.StartNew();
RecurringTask recurringTask;
long nextRunTimestamp;
if (LoadedRescheduleRecurringTasksScript == null)
{
LoadedRescheduleRecurringTasksScript = await _taskQueue.Backend.LoadLuaScript(LuaScriptToRescheduleRecurringTask());
}
var serializedRecurringTasks = (await _taskQueue.Backend
.DequeueBatch(RecurringTaskRescheduleQueueKey)).ToArray();
if (serializedRecurringTasks.Length == 0)
{
return;
}
var args = new List <RedisValue>();
foreach (var serializedRecurringTask in serializedRecurringTasks)
{
recurringTask = JsonTaskInfoSerializer.Deserialize <RecurringTask>(serializedRecurringTask);
nextRunTimestamp = recurringTask.GetNextRunTimestamp(DateTime.UtcNow);
args.Add((RedisValue)recurringTask.TaskKey);
args.Add((RedisValue)nextRunTimestamp);
}
await _taskQueue.Backend.RunLuaScript(LoadedRescheduleRecurringTasksScript,
new [] {
(RedisKey)ScheduledTasksOrderedSetKey,
(RedisKey)ScheduledTasksMapKey,
},
args.ToArray());
var profile = $"PROFILE {nameof(RescheduleRecurringTasks)}: {sw.ElapsedMilliseconds}";
// Console.WriteLine(profile);
}
public void ItPersistsPropertiesWhenSerializedAndDeserialized()
{
var taskInfos = new[] {
GetTestTask(() => TestMethod1("hello world")),
GetTestTask(() => TestMethod2())
};
foreach (var taskInfo in taskInfos)
{
var serializedTaskInfo = JsonTaskInfoSerializer.Serialize(taskInfo);
var deserializedTaskInfo = JsonTaskInfoSerializer.Deserialize <TaskInfo>(serializedTaskInfo);
deserializedTaskInfo.Id.Should().Be(taskInfo.Id);
deserializedTaskInfo.AssemblyName.Should().Be(taskInfo.AssemblyName);
deserializedTaskInfo.TypeName.Should().Be(taskInfo.TypeName);
deserializedTaskInfo.MethodName.Should().Be(taskInfo.MethodName);
deserializedTaskInfo.ReturnType.Should().Be(taskInfo.ReturnType);
deserializedTaskInfo.Args.ShouldAllBeEquivalentTo(taskInfo.Args);
deserializedTaskInfo.CreatedAtUtc.Should().Be(taskInfo.CreatedAtUtc);
deserializedTaskInfo.IsEquivalent(taskInfo).Should().BeTrue();
}
}
public void ItPersistsPropertiesWhenSerializedAndDeserialized()
{
var taskKey = $"{nameof(ItPersistsPropertiesWhenSerializedAndDeserialized)}::{Guid.NewGuid().ToString()}";
var testTask = GetTestTask(() =>
Console.WriteLine(nameof(ItPersistsPropertiesWhenSerializedAndDeserialized)));
var recurringTasks = new [] {
new RecurringTask(testTask, TimeSpan.FromMinutes(5), taskKey),
new RecurringTask(testTask, "* * * * * *", taskKey)
};
foreach (var recurringTask in recurringTasks)
{
var serializedRecurringTask = JsonTaskInfoSerializer.Serialize(recurringTask);
var deserializedRecurringTask = JsonTaskInfoSerializer.Deserialize <RecurringTask>(serializedRecurringTask);
deserializedRecurringTask.StartTime.Should().Be(recurringTask.StartTime);
deserializedRecurringTask.TaskKey.Should().Be(recurringTask.TaskKey);
deserializedRecurringTask.Interval.Should().Be(recurringTask.Interval);
deserializedRecurringTask.Crontab.Should().Be(recurringTask.Crontab);
deserializedRecurringTask.TaskInfo.IsEquivalent(recurringTask.TaskInfo).Should().BeTrue();
}
}