public SearchResultSet Search(string query, int offset = 0, int count = 20)
{
using (TraceSources.ContentSearcherSource.TraceActivity("Search [{1}-{2}]: {0}", query, offset, offset + count))
{
SearchResultSet ret = new SearchResultSet();
//Query q = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, "body", this._analyzer).Parse(query);
string[] rawTerms = query.Split(new[] {' '}, StringSplitOptions.RemoveEmptyEntries);
BooleanQuery titleQuery = new BooleanQuery();
BooleanQuery summaryQuery = new BooleanQuery();
BooleanQuery contentQuery = new BooleanQuery();
for (int i = 0; i < rawTerms.Length; i++)
{
string rawTerm = rawTerms[i];
BooleanClause.Occur occur;
if (rawTerms[i].StartsWith("-"))
{
rawTerm = rawTerm.Substring(1);
occur = BooleanClause.Occur.MUST_NOT;
}
else
occur = BooleanClause.Occur.MUST;
titleQuery.Add(new TermQuery(new Term("title", rawTerm)), occur);
summaryQuery.Add(new TermQuery(new Term("summary", rawTerm)), occur);
contentQuery.Add(new TermQuery(new Term("content", rawTerm)), occur);
}
BooleanQuery q = new BooleanQuery();
titleQuery.SetBoost(8f);
contentQuery.SetBoost(0.7f);
q.Add(titleQuery, BooleanClause.Occur.SHOULD);
q.Add(summaryQuery, BooleanClause.Occur.SHOULD);
q.Add(contentQuery, BooleanClause.Occur.SHOULD);
TopDocs docs = this._indexSearcher.Search(titleQuery, offset + count);
if (docs.ScoreDocs.Length < offset)
throw new ArgumentOutOfRangeException("offset", "Offset is smaller than result count!");
ret.HitCount = docs.TotalHits;
ret.Results = new SearchResult[Math.Min(docs.ScoreDocs.Length - offset, count)];
for (int i = 0; i < ret.Results.Length; i++)
{
var scoreDoc = docs.ScoreDocs[offset + i];
Document doc = this._indexSearcher.Doc(scoreDoc.doc);
ret.Results[i] = new SearchResult
{
AssetId = AssetIdentifier.Parse(doc.GetField("aid").StringValue()),
Title = doc.GetField("title").StringValue(),
Url = new Uri(doc.GetField("uri").StringValue(), UriKind.RelativeOrAbsolute),
Blurb = doc.GetField("summary").StringValue(),
};
}
return ret;
}
}
public SearchResultSet Search(string query, int offset = 0, int count = 20)
{
using (TraceSources.ContentSearcherSource.TraceActivity("Search [{1}-{2}]: {0}", query, offset, offset + count))
{
SearchResultSet ret = new SearchResultSet();
//Query q = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, "body", this._analyzer).Parse(query);
string[] rawTerms = query.Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
BooleanQuery titleQuery = new BooleanQuery();
BooleanQuery summaryQuery = new BooleanQuery();
BooleanQuery contentQuery = new BooleanQuery();
for (int i = 0; i < rawTerms.Length; i++)
{
string rawTerm = rawTerms[i];
Occur occur;
if (rawTerms[i].StartsWith("-"))
{
rawTerm = rawTerm.Substring(1);
occur = Occur.MUST_NOT;
}
else
{
occur = Occur.MUST;
}
titleQuery.Add(new TermQuery(new Term("title", rawTerm)), occur);
summaryQuery.Add(new TermQuery(new Term("summary", rawTerm)), occur);
contentQuery.Add(new TermQuery(new Term("content", rawTerm)), occur);
}
BooleanQuery q = new BooleanQuery();
titleQuery.Boost = 8f;
contentQuery.Boost = 0.7f;
q.Add(titleQuery, Occur.SHOULD);
q.Add(summaryQuery, Occur.SHOULD);
q.Add(contentQuery, Occur.SHOULD);
TopDocs docs = this._indexSearcher.Search(titleQuery, offset + count);
if (docs.ScoreDocs.Length < offset)
{
throw new ArgumentOutOfRangeException("offset", "Offset is smaller than result count!");
}
ret.HitCount = docs.TotalHits;
ret.Results = new SearchResult[Math.Min(docs.ScoreDocs.Length - offset, count)];
for (int i = 0; i < ret.Results.Length; i++)
{
var scoreDoc = docs.ScoreDocs[offset + i];
Document doc = this._indexSearcher.Doc(scoreDoc.Doc);
ret.Results[i] = new SearchResult
{
AssetId = AssetIdentifier.Parse(doc.GetField("aid").StringValue),
Title = doc.GetField("title").StringValue,
Url = new Uri(doc.GetField("uri").StringValue, UriKind.RelativeOrAbsolute),
Blurb = doc.GetField("summary").StringValue,
};
}
return(ret);
}
}
public SearchResultSet Search(string query, int offset = 0, int count = 20, bool includeRawData = false)
{
using (TraceSources.ContentSearcherSource.TraceActivity("Search [{1}-{2}]: {0}", query, offset, offset + count))
{
SearchResultSet ret = new SearchResultSet();
string[] rawTerms = query.ToLowerInvariant().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
BooleanQuery termQueries = new BooleanQuery();
// TODO figure out how to build a decent query
for (int i = 0; i < rawTerms.Length; i++)
{
string term = rawTerms[i];
Occur occur;
if (rawTerms[i].StartsWith("-"))
{
term = term.Substring(1);
occur = Occur.MUST_NOT;
}
else
occur = Occur.MUST;
if (term.StartsWith("type:", StringComparison.InvariantCultureIgnoreCase))
{
term = term.Substring("type:".Length);
termQueries.Add(new TermQuery(new Term("type", term)), occur);
}
else if (StringComparer.InvariantCultureIgnoreCase.Equals(term, "special:all"))
{
termQueries.Add(new MatchAllDocsQuery(), occur);
}
else
{
BooleanQuery termQuery = new BooleanQuery();
termQuery.Add(new PrefixQuery(new Term("camelCase", term)) { Boost = 6f }, Occur.SHOULD);
termQuery.Add(new PrefixQuery(new Term("name", term)) { Boost = 5f }, Occur.SHOULD);
termQuery.Add(new TermQuery(new Term("title", term)) { Boost = 4f }, Occur.SHOULD);
termQuery.Add(new TermQuery(new Term("summary", term)), Occur.SHOULD);
termQuery.Add(new TermQuery(new Term("content", term)) { Boost = 0.5f }, Occur.SHOULD);
termQueries.Add(termQuery, occur);
}
}
TopDocs docs = this._indexSearcher.Search(termQueries, offset + count);
if (docs.ScoreDocs.Length < offset)
throw new ArgumentOutOfRangeException("offset", "Offset is smaller than result count!");
ret.HitCount = docs.TotalHits;
ret.Results = new SearchResult[Math.Min(docs.ScoreDocs.Length - offset, count)];
for (int i = 0; i < ret.Results.Length; i++)
{
ScoreDoc scoreDoc = docs.ScoreDocs[offset + i];
Document doc = this._indexSearcher.Doc(scoreDoc.Doc);
var jsonPath = doc.GetField("path").StringValue;
var jsonArray = JArray.Parse(jsonPath);
var fragments = jsonArray.Cast<JObject>()
.Select(f => new PathFragment
{
AssetId = AssetIdentifier.Parse(f["assetId"].Value<string>()),
Name = f["name"].Value<string>(),
Url = new Uri(f["url"].Value<string>(), UriKind.RelativeOrAbsolute),
Blurb = f["blurb"].Value<string>(),
Type = f["type"].Value<string>(),
}).ToArray();
ret.Results[i] = new SearchResult
{
AssetId = AssetIdentifier.Parse(doc.GetField("aid").StringValue),
Name = doc.GetField("name").StringValue,
Title = doc.GetField("title").StringValue,
Url = new Uri(doc.GetField("uri").StringValue, UriKind.RelativeOrAbsolute),
Blurb = doc.GetField("summary").StringValue,
RawDocument = includeRawData ? this.GetRawData(doc, scoreDoc.Doc).ToArray() : null,
Type = doc.GetField("type").StringValue,
Flags = doc.GetFields("typeFlag").Select(f => f.StringValue).ToArray(),
Path = fragments
};
}
return ret;
}
}
