public async Task ExecuteAsync(CancellationToken cancellationToken = default)
{
var threshold = _clock.GetCurrentInstant().Minus(_options.TimeToLive);
var specification = new WorkflowCreatedBeforeSpecification(threshold);
var currentPage = 0;
var take = _options.BatchSize;
var orderBy = new OrderBy <WorkflowInstance>(x => x.CreatedAt, SortDirection.Descending);
var collectedWorkflowInstanceIds = new List <string>();
// Collect workflow instances to be deleted.
while (true)
{
var paging = Paging.Page(currentPage++, take);
var workflowInstances = await _workflowInstanceStore
.FindManyAsync(specification, orderBy, paging, cancellationToken)
.ToList();
var filteredWorkflowInstances = await _retentionFilterPipeline.FilterAsync(workflowInstances, cancellationToken).ToList();
collectedWorkflowInstanceIds.AddRange(filteredWorkflowInstances.Select(x => x.Id));
if (workflowInstances.Count < take)
{
break;
}
}
// Delete collected workflow instances.
await DeleteManyAsync(collectedWorkflowInstanceIds, cancellationToken);
}
public async Task ExecuteAsync(CancellationToken cancellationToken = default)
{
var threshold = _clock.GetCurrentInstant().Minus(_options.TimeToLive);
var specification = new WorkflowCreatedBeforeSpecification(threshold).And(new WorkflowFinishedStatusSpecification());
var take = _options.PageSize;
IList <string> workflowInstanceIds;
do
{
workflowInstanceIds = (await _workflowInstanceStore.FindManyAsync(specification, new OrderBy <WorkflowInstance>(x => x.CreatedAt, SortDirection.Descending), new Paging(0, take), cancellationToken: cancellationToken))
.Select(x => x.Id).ToList();
_logger.LogInformation("Deleting {WorkflowInstanceCount} workflow instances", workflowInstanceIds.Count);
if (workflowInstanceIds.Any())
{
await DeleteManyAsync(workflowInstanceIds, cancellationToken);
}
} while (workflowInstanceIds.Any());
}