public void ServiceName()
{
var expected = ScheduledTaskEntry.GenerateLogsPartitionKey(this.GetType().ToString());
var entity = new ScheduledTaskEntry
{
ServiceName = expected,
};
Assert.AreEqual(expected, entity.ServiceName);
}
public void Identifier()
{
var entity = new ScheduledTaskEntry
{
PartitionKey = ScheduledTaskEntry.GenerateLogsPartitionKey(this.GetType().ToString()),
ServiceName = this.GetType().ToString(),
};
Assert.IsNull(entity.Identifier);
var data = Guid.NewGuid();
entity.Identifier = data;
Assert.AreEqual(data, entity.Identifier);
entity.Identifier = null;
Assert.IsNull(entity.Identifier);
}
public async Task CheckCompletedFailureOld()
{
var records = new List<ScheduledTaskEntry>();
var record = new ScheduledTaskEntry()
{
StartTime = DateTime.UtcNow,
CompletionTime = DateTime.UtcNow.AddHours(-1),
Successful = false,
};
records.Add(record);
var table = Substitute.For<ITableStorage>();
table.QueryByPartition<ScheduledTaskEntry>(Arg.Any<string>()).Returns(Task.FromResult<IEnumerable<ScheduledTaskEntry>>(records));
var core = new Coordinator(table, new TimeSpan(9000));
var perform = await core.Check(this.GetType());
Assert.IsTrue(perform);
table.Received().QueryByPartition<ScheduledTaskEntry>(Arg.Any<string>());
}
/// <summary>
/// Determine whether a new task needs to be executed
/// </summary>
/// <param name="type">Type</param>
/// <returns>True if need to execute, false if not</returns>
public virtual async Task<bool> Check(Type type)
{
if (null == type)
{
throw new ArgumentNullException("type");
}
var entry = new ScheduledTaskEntry()
{
PartitionKey = ScheduledTaskEntry.GenerateLogsPartitionKey(type.GetType().ToString()),
ServiceName = type.GetType().ToString(),
};
var performTask = true;
var records = await this.storage.QueryByPartition<ScheduledTaskEntry>(entry.PartitionKey);
if (records != null && records.Any())
{
var latest = records.OrderByDescending(x => x.StartTime).First();
performTask = (latest.CompletionTime.HasValue) ?
DateTime.UtcNow.Subtract(latest.CompletionTime.Value) >= period || !latest.Successful :
DateTime.UtcNow.Subtract(latest.StartTime) >= retryInterval;
}
return performTask;
}
