public ExternalIndex <T> Build()
{
var composer = new ExternalIndexComposer <T>(stream);
var indexInfoList = indexManager.GetIndices();
var indices = indexManager.GetIndices().Where(i => i.GetCount() > 0).ToArray();
AddAllDocs(composer, indices);
var minHeapComparer = Comparer <IEnumerator <(T Term, IReadOnlyCollection <DocumentId> PostingsList)> > .Create(
(x, y) => ComparePostingLists(y.Current, x.Current));
var queue = new PriorityQueue <IEnumerator <(T Term, IReadOnlyCollection <DocumentId> PostingsList)> >(
indices.Length,
minHeapComparer);
foreach (var index in indices)
{
var enumerator = ReadIndex(index);
if (enumerator.MoveNext())
{
queue.Push(enumerator);
}
}
var docs = new ListChain <DocumentId>(indices.Length);
T currentTerm = default !;
public ExternalIndex <T> BuildExternalIndex()
{
var composer = new ExternalIndexComposer <T>(postingsStream);
composer.AddAllDocuments(builder.Documents);
foreach (var postings in builder.PostingsLists)
{
composer.AddPostingsList(postings.Key, postings.Value);
}
return(composer.Compose());
}
