public async Task <TaskResult> Execute(CancellationToken cancellationToken)
{
using (var taskClient = new TaskClient(taskProperties))
{
var taskResult = TaskResult.Failed;
try
{
// create timelinerecord if not provided
await CreateTaskTimelineRecordIfRequired(taskClient, cancellationToken).ConfigureAwait(false);
taskLogger = new TaskLogger(taskProperties, taskClient);
// report task started
await taskLogger.Log("Task started").ConfigureAwait(false);
await taskClient.ReportTaskStarted(taskProperties.TaskInstanceId, cancellationToken).ConfigureAwait(false);
await taskClient.ReportTaskProgress(taskProperties.TaskInstanceId, cancellationToken).ConfigureAwait(false);
// start client handler execute
var executeTask = taskExecutionHandler.ExecuteAsync(taskMessage, taskLogger, cancellationToken).ConfigureAwait(false);
taskResult = await executeTask;
// report task completed with status
await taskLogger.Log("Task completed").ConfigureAwait(false);
await taskClient.ReportTaskCompleted(taskProperties.TaskInstanceId, taskResult, cancellationToken).ConfigureAwait(false);
return(taskResult);
}
catch (Exception e)
{
if (taskLogger != null)
{
await taskLogger.Log(e.ToString()).ConfigureAwait(false);
}
await taskClient.ReportTaskCompleted(taskProperties.TaskInstanceId, taskResult, cancellationToken).ConfigureAwait(false);
throw;
}
finally
{
if (taskLogger != null)
{
await taskLogger.End().ConfigureAwait(false);
}
}
}
}
public async Task Cancel(CancellationToken cancellationToken)
{
taskLogger.Log("Canceling task ...");
using (var taskClient = new TaskClient(taskProperties))
{
taskLogger = new TaskLogger(taskProperties, taskClient);
this.taskExecutionHandler.CancelAsync(taskMessage, taskLogger, cancellationToken);
await taskClient.ReportTaskCompleted(taskProperties.TaskInstanceId, TaskResult.Canceled, cancellationToken).ConfigureAwait(false);
}
}
