private async Task ConfigureIndexInternalAsync(IIndex idx, bool beginReindexingOutdated)
{
await idx.ConfigureAsync().AnyContext();
await idx.MaintainAsync(includeOptionalTasks : false).AnyContext();
if (!beginReindexingOutdated)
{
return;
}
if (_workItemQueue == null || _beginReindexLockProvider == null)
{
throw new InvalidOperationException("Must specify work item queue and lock provider in order to reindex.");
}
if (!(idx is IVersionedIndex versionedIndex))
{
return;
}
int currentVersion = await versionedIndex.GetCurrentVersionAsync().AnyContext();
if (versionedIndex.Version <= currentVersion)
{
return;
}
var reindexWorkItem = versionedIndex.CreateReindexWorkItem(currentVersion);
bool isReindexing = await _lockProvider.IsLockedAsync(String.Join(":", "reindex", reindexWorkItem.Alias,
reindexWorkItem.OldIndex, reindexWorkItem.NewIndex)).AnyContext();
if (isReindexing)
{
return;
}
// enqueue reindex to new version, only allowed every 15 minutes
string enqueueReindexLockName = String.Join(":", "enqueue-reindex", reindexWorkItem.Alias, reindexWorkItem.OldIndex, reindexWorkItem.NewIndex);
await _beginReindexLockProvider.TryUsingAsync(enqueueReindexLockName, () => _workItemQueue.EnqueueAsync(reindexWorkItem), TimeSpan.Zero, new CancellationToken(true)).AnyContext();
}