/// <summary>
/// Use this to increase visibility timeout of a job which might take longer to process
/// </summary>
/// <param name="jobDetails">
/// Job Details
/// </param>
/// <param name="newTimeout">
/// What should be the new timeout
/// </param>
/// <returns>
/// Async Task Wrapper
/// </returns>
public async Task IncreaseVisibilityTimeout(ScheduledJobDetails jobDetails, TimeSpan newTimeout)
{
if (jobDetails == null)
{
throw new SchedulerException("JobDetails cannot be null");
}
Log.Info("Updating timeout of job {0} to {1} ", jobDetails.JobId, newTimeout.ToString());
AzureScheduledJobDetails azureJobDetails = jobDetails as AzureScheduledJobDetails;
CloudQueueMessage message = AzureScheduledJobDetails.ToCloudQueueMessage(azureJobDetails);
await azureQueueProvider.IncreaseTimeout(message, newTimeout).ConfigureAwait(false);
Log.Info("Successfully updated timeout of job {0} ", jobDetails.JobId);
}
/// <summary>
/// Update the job payload to the new payload specified
/// </summary>
/// <param name="jobDetails">
/// Details of the job to be updated
/// </param>
/// <returns>
/// Task wrapper for async operation
/// </returns>
/// <remarks>
/// This update is done in place, hence queue order is not changed.
/// Please be aware that this call only updates the payload.
/// Imp : NOT THREADSAFE. So multiple calls can arrive out of order
/// to make payload be off sync. Be careful if you have to use it.
/// </remarks>
public async Task UpdateJobPayload(ScheduledJobDetails jobDetails)
{
if (jobDetails == null)
{
throw new SchedulerException("JobDetails cannot be null");
}
string errorMessage;
if (!jobDetails.ValidateUpdate(out errorMessage))
{
throw new SchedulerException(errorMessage);
}
Log.Info("Incoming request to update payload of a job \r\n" +
"details: {0}", jobDetails);
TableResult result = await azureTableProvider.RetrieveAsync(
ScheduledJobEntity.GetPartitionKey(jobDetails.JobType),
ScheduledJobEntity.GetRowKey(jobDetails.JobId)).ConfigureAwait(false);
ScheduledJobEntity entity = (ScheduledJobEntity)result.Result;
if (entity != null)
{
entity.Payload = JsonConvert.SerializeObject(jobDetails.Payload);
await azureTableProvider.UpdateAsync(entity).ConfigureAwait(false);
AzureScheduledJobDetails azureJobDetails = jobDetails as AzureScheduledJobDetails;
CloudQueueMessage message = AzureScheduledJobDetails.ToCloudQueueMessage(azureJobDetails);
// azureJobDetails.QueueMessage = null;
message.SetMessageContent(JsonConvert.SerializeObject(jobDetails));
await azureQueueProvider.UpdateAsync(message).ConfigureAwait(false);
}
Log.Info("Successfully updated payload of job {0} ", jobDetails.JobId);
}
/// <summary>
/// Delete job from the queue
/// </summary>
/// <param name="jobDetails">
/// Job Details
/// </param>
/// <returns>
/// Task wrapper for async operations
/// </returns>
private async Task DeleteJobFromQueueAsync(ScheduledJobDetails jobDetails)
{
await azureQueueProvider.DeleteAsync(
AzureScheduledJobDetails.ToCloudQueueMessage((AzureScheduledJobDetails)jobDetails)).ConfigureAwait(false);
}
