// RemoveTreeActivity, RebuildActivity
internal async STT.Task <bool> DeleteDocumentsAsync(IEnumerable <SnTerm> deleteTerms, VersioningInfo versioning, CancellationToken cancellationToken)
{
await IndexingEngine.WriteIndexAsync(deleteTerms, null, null, cancellationToken).ConfigureAwait(false);
// Not necessary to check if indexing interfered here. If it did, change is detected in overlapped AddDocument/UpdateDocument
// operations and refresh (re-delete) is called there.
// Delete documents will never detect changes in index, since it sets timestamp in index history to maxvalue.
return(true);
}
// AddTreeActivity
internal static async STT.Task <bool> AddTreeAsync(string treeRoot, int activityId,
bool executingUnprocessedActivities, CancellationToken cancellationToken)
{
var delTerms = executingUnprocessedActivities ? new [] { new SnTerm(IndexFieldName.InTree, treeRoot) } : null;
var excludedNodeTypes = GetNotIndexedNodeTypes();
var docs = SearchManager.LoadIndexDocumentsByPath(treeRoot, excludedNodeTypes).Select(CreateIndexDocument);
await IndexingEngine.WriteIndexAsync(delTerms, null, docs, cancellationToken).ConfigureAwait(false);
return(true);
}
/* AddDocumentActivity, RebuildActivity */
internal async STT.Task <bool> AddDocumentAsync(IndexDocument document, VersioningInfo versioning, CancellationToken cancellationToken)
{
var delTerms = versioning.Delete.Select(i => new SnTerm(IndexFieldName.VersionId, i)).ToArray();
var updates = GetUpdates(versioning);
if (document != null)
{
SetDocumentFlags(document, versioning);
}
await IndexingEngine.WriteIndexAsync(delTerms, updates, new[] { document }, cancellationToken).ConfigureAwait(false);
return(true);
}
/* ==================================================================== Document operations */
/* ClearAndPopulateAll */
public STT.Task AddDocumentsAsync(IEnumerable <IndexDocument> documents, CancellationToken cancellationToken)
{
return(IndexingEngine.WriteIndexAsync(null, null, documents, cancellationToken));
}