private IEnumerable <IList <DocumentPosting> > ReadPostings(IEnumerable <Term> terms)
{
var addresses = terms.Select(term => term.Word.PostingsAddress)
.OrderBy(adr => adr.Position).ToList();
using (var postingsReader = new PostingsReader(
new FileStream(_posFileName, FileMode.Open, FileAccess.Read, FileShare.Read, 4096 * 1, FileOptions.SequentialScan)))
{
var postings = postingsReader.Read(addresses).SelectMany(x => x).ToList();
yield return(postings);
}
}
private IEnumerable <IList <DocumentPosting> > ReadPostings(IEnumerable <Term> terms)
{
return(PostingsReader.ReadPostings(_directory, _ix, terms));
}