private BeerReview BeerReviewFromDoc(ScoreDoc scoreDoc)
{
Document doc = indexSearcher.Doc(scoreDoc.Doc);
double? beerAbv = null;
int? beerBeerId = null;
int? beerBrewerId = null;
var beer = new BeerReview
{
Beer = new Beer
{
BeerName = doc.Get("beerName"),
BeerStyle = doc.Get("beerStyle")
},
Review = new Review
{
ReviewAppearance = SafeDoubleParse(doc.Get("reviewAppearance")),
ReviewAroma = SafeDoubleParse(doc.Get("reviewAroma")),
ReviewPalate = SafeDoubleParse(doc.Get("reviewPalate")),
ReviewTaste = SafeDoubleParse(doc.Get("reviewTaste")),
ReviewOverall = SafeDoubleParse(doc.Get("reviewOverall")),
ReviewTime = doc.Get("reviewTime"),
ReviewProfileName = doc.Get("reviewProfileName"),
ReviewText = doc.Get("reviewText"),
},
Score = scoreDoc.Score
};
if (!string.IsNullOrWhiteSpace(doc.Get("beerABV")))
{
beer.Beer.BeerAbv = beerAbv;
}
if (!string.IsNullOrWhiteSpace(doc.Get("beerBeerId")))
{
beer.Beer.BeerBeerId = beerBeerId;
}
if (!string.IsNullOrWhiteSpace(doc.Get("beerBrewerId")))
{
beer.Beer.BeerBrewerId = beerBrewerId;
}
return beer;
}
private static void CreateIndex(string indexFileLocation)
{
int limit = Convert.ToInt32(ConfigurationManager.AppSettings["Limit"]);
int processed = 0;
var dir = FSDirectory.Open(indexFileLocation);
var analyzer = new StandardAnalyzer(Version.LUCENE_30);
var indexWriter = new IndexWriter(dir, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
var doc = new Document();
using (var reader = new StreamReader(@"C:\Data\beeradvocate.txt"))
{
var beer = new BeerReview();
string line;
while ((line = reader.ReadLine()) != null && processed <= limit)
{
string fieldName = line.Split(':').First();
if (!string.IsNullOrEmpty(fieldName))
{
try
{
switch (fieldName)
{
case "beer/name":
beer.Beer.BeerName = line.Replace(fieldName + ": ", string.Empty);
break;
case "beer/beerId":
beer.Beer.BeerBeerId = int.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "beer/brewerId":
beer.Beer.BeerBrewerId = int.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "beer/ABV":
beer.Beer.BeerAbv = double.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "beer/style":
beer.Beer.BeerStyle = line.Replace(fieldName + ": ", string.Empty);
break;
case "review/appearance":
beer.Review.ReviewAppearance =
double.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "review/aroma":
beer.Review.ReviewAroma = double.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "review/palate":
beer.Review.ReviewPalate = double.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "review/taste":
beer.Review.ReviewTaste = double.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "review/overall":
beer.Review.ReviewOverall =
double.Parse(line.Replace(fieldName + ": ", string.Empty));
break;
case "review/time":
beer.Review.ReviewTime = line.Replace(fieldName + ": ", string.Empty);
break;
case "review/profileName":
beer.Review.ReviewProfileName = line.Replace(fieldName + ": ", string.Empty);
break;
case "review/text":
beer.Review.ReviewText = line.Replace(fieldName + ": ", string.Empty);
break;
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
}
}
else
{
var beerDocument = new Document();
beerDocument.Add(new Field("beerName", beer.Beer.BeerName, Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.YES));
beerDocument.Add(new NumericField("beerBeerId", Field.Store.YES, true).SetIntValue(beer.Beer.BeerBeerId.GetValueOrDefault()));
beerDocument.Add(new NumericField("beerBrewerId", Field.Store.YES, true).SetIntValue(beer.Beer.BeerBrewerId.GetValueOrDefault()));
beerDocument.Add(new NumericField("beerABV", Field.Store.YES, true).SetDoubleValue(beer.Beer.BeerAbv.GetValueOrDefault()));
beerDocument.Add(new Field("beerStyle", beer.Beer.BeerStyle, Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.NO));
beerDocument.Add(new NumericField("reviewAppearance", Field.Store.YES, true).SetDoubleValue(beer.Review.ReviewAppearance.GetValueOrDefault()));
beerDocument.Add(new NumericField("reviewAroma", Field.Store.YES, true).SetDoubleValue(beer.Review.ReviewAroma.GetValueOrDefault()));
beerDocument.Add(new NumericField("reviewPalate", Field.Store.YES, true).SetDoubleValue(beer.Review.ReviewPalate.GetValueOrDefault()));
beerDocument.Add(new NumericField("reviewTaste", Field.Store.YES, true).SetDoubleValue(beer.Review.ReviewTaste.GetValueOrDefault()));
beerDocument.Add(new NumericField("reviewOverall", Field.Store.YES, true).SetDoubleValue(beer.Review.ReviewOverall.GetValueOrDefault()));
beerDocument.Add(new Field("reviewTime", beer.Review.ReviewTime, Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.NO));
beerDocument.Add(new Field("reviewProfileName", beer.Review.ReviewProfileName, Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.NO));
beerDocument.Add(new Field("reviewText", beer.Review.ReviewText, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.YES));
indexWriter.AddDocument(beerDocument);
Console.WriteLine("Added {0}", beer.Beer.BeerName);
processed++;
beer = new BeerReview();
}
}
}
indexWriter.AddDocument(doc);
indexWriter.Optimize();
indexWriter.Dispose();
}
