private IndexContext CreateIndexContext()
{
Random random = Random();
DocValuesType[] dvTypes = new DocValuesType[] {
DocValuesType.BINARY,
DocValuesType.SORTED
};
Directory dir = NewDirectory();
RandomIndexWriter w = new RandomIndexWriter(
random,
dir,
NewIndexWriterConfig(TEST_VERSION_CURRENT,
new MockAnalyzer(random)).SetMergePolicy(NewLogMergePolicy())
);
bool canUseDV = !"Lucene3x".Equals(w.w.Config.Codec.Name, StringComparison.Ordinal);
DocValuesType dvType = canUseDV ? dvTypes[random.nextInt(dvTypes.Length)] : DocValuesType.NONE;
int numDocs = 86 + random.nextInt(1087) * RANDOM_MULTIPLIER;
string[] groupValues = new string[numDocs / 5];
string[] countValues = new string[numDocs / 10];
for (int i = 0; i < groupValues.Length; i++)
{
groupValues[i] = GenerateRandomNonEmptyString();
}
for (int i = 0; i < countValues.Length; i++)
{
countValues[i] = GenerateRandomNonEmptyString();
}
List <string> contentStrings = new List <string>();
IDictionary <string, IDictionary <string, ISet <string> > > searchTermToGroupCounts = new HashMap <string, IDictionary <string, ISet <string> > >();
for (int i = 1; i <= numDocs; i++)
{
string groupValue = random.nextInt(23) == 14 ? null : groupValues[random.nextInt(groupValues.Length)];
string countValue = random.nextInt(21) == 13 ? null : countValues[random.nextInt(countValues.Length)];
string content = "random" + random.nextInt(numDocs / 20);
IDictionary <string, ISet <string> > groupToCounts;
if (!searchTermToGroupCounts.TryGetValue(content, out groupToCounts))
{
// Groups sort always DOCID asc...
searchTermToGroupCounts.Add(content, groupToCounts = new LinkedHashMap <string, ISet <string> >());
contentStrings.Add(content);
}
ISet <string> countsVals;
if (!groupToCounts.TryGetValue(groupValue, out countsVals))
{
groupToCounts.Add(groupValue, countsVals = new HashSet <string>());
}
countsVals.Add(countValue);
Document doc = new Document();
doc.Add(new StringField("id", string.Format(CultureInfo.InvariantCulture, "{0:D9}", i), Field.Store.YES));
if (groupValue != null)
{
AddField(doc, groupField, groupValue, dvType);
}
if (countValue != null)
{
AddField(doc, countField, countValue, dvType);
}
doc.Add(new TextField("content", content, Field.Store.YES));
w.AddDocument(doc);
}
DirectoryReader reader = w.Reader;
if (VERBOSE)
{
for (int docID = 0; docID < reader.MaxDoc; docID++)
{
Document doc = reader.Document(docID);
Console.WriteLine("docID=" + docID + " id=" + doc.Get("id") + " content=" + doc.Get("content") + " author=" + doc.Get("author") + " publisher=" + doc.Get("publisher"));
}
}
w.Dispose();
return(new IndexContext(dir, reader, dvType, searchTermToGroupCounts, contentStrings.ToArray(/*new String[contentStrings.size()]*/)));
}
