public static IEnumerable<TextValue> GetAllValuesAsListDistinct(List<Metadata> metadataList)
{
List<TextValue> l = new List<TextValue>();
// gehe alle Metadaten druch
foreach (Metadata m in metadataList)
{
// gehe alle Values in Metadata durch
foreach (string s in (m.GetAllValuesAsList()))
{
//split strings to single words
Array a = s.Split(new Char[] { ' ' });
if (a.Length > 1)
{
foreach (string astring in a)
{
bool isIn = false;
// prüfe ob string schon in List
foreach (TextValue s2 in l)
{
if (astring == s2.Value) isIn = true;
}
if (isIn == false) {
//jedes wort wird eingefügt
TextValue tv = new TextValue();
tv.Name = astring;
tv.Value = astring;
l.Add(tv);
};
//kompletter string wird eingefügt
}
}
bool isInList = false;
// prüfe ob string schon in List
foreach (TextValue s2 in l)
{
if (s == s2.Value) isInList = true;
}
if (isInList == false) {
TextValue tv = new TextValue();
tv.Name = s;
tv.Value = s;
l.Add(tv);
}
}
}
return l;
}
/// <summary>
///
/// </summary>
/// <remarks></remarks>
/// <seealso cref=""/>
/// <param name="origQuery"></param>
/// <param name="queryFilter"></param>
/// <param name="searchtext"></param>
/// <returns></returns>
public static IEnumerable<TextValue> doTextSearch(Query origQuery, String queryFilter, String searchtext)
{
String filter = queryFilter;
BooleanQuery query = new BooleanQuery();
query.Add(origQuery, Occur.MUST);
if (!filter.ToLower().StartsWith("ng_"))
{
filter = "ng_" + filter;
}
if (filter.ToLower().Equals("ng_all"))
{
filter = "ng_all";
queryFilter = "ng_all";
}
HashSet<string> uniqueText = new HashSet<string>();
searchtext = searchtext.ToLower();
QueryParser parser = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, filter, new KeywordAnalyzer());
parser.DefaultOperator = QueryParser.Operator.AND;
Query X1 = parser.Parse(searchtext);
query.Add(X1, Occur.MUST);
// Query query = parser.Parse("tree data");
TopDocs tds = searcher.Search(query, 50);
QueryScorer scorer = new QueryScorer(query, searchtext);
Analyzer analyzer = new NGramAnalyzer();
List<TextValue> autoCompleteTextList = new List<TextValue>();
foreach (ScoreDoc sd in tds.ScoreDocs)
{
Document doc = searcher.Doc(sd.Doc);
String docId = doc.GetField("doc_id").StringValue;
TermQuery q1 = new TermQuery(new Term("id", docId.ToLower()));
TermQuery q0 = new TermQuery(new Term("field", queryFilter.ToLower()));
QueryParser parser1 = new QueryParser(Lucene.Net.Util.Version.LUCENE_30, "value", new KeywordAnalyzer());
parser1.DefaultOperator = QueryParser.Operator.AND;
Query q2 = parser1.Parse(searchtext);
BooleanQuery q3 = new BooleanQuery();
q3.Add(q1, Occur.MUST);
q3.Add(q2, Occur.MUST);
q3.Add(q0, Occur.MUST);
TopDocs tdAutoComp = autoCompleteSearcher.Search(q3, 100);
foreach (ScoreDoc sdAutoComp in tdAutoComp.ScoreDocs)
{
Document docAutoComp = autoCompleteSearcher.Doc(sdAutoComp.Doc);
String toAdd = docAutoComp.GetField("value").StringValue;
if (!uniqueText.Contains(toAdd))
{
TextValue tv = new TextValue();
tv.Name = toAdd;
tv.Value = toAdd;
autoCompleteTextList.Add(tv);
uniqueText.Add(toAdd);
}
}
if (autoCompleteTextList.Count > 7) break;
}
return autoCompleteTextList;
}
public static IEnumerable<TextValue> GetAllTextValuesByNodeDistinct(string nodeName, List<Metadata> metadataList)
{
List<TextValue> l = new List<TextValue>();
foreach (Metadata m in metadataList)
{
foreach (XmlNode x in m.GetValueFromNode(nodeName))
{
bool isIn = false;
foreach (TextValue s in l)
{
if (x.InnerText == s.Value) isIn = true;
}
if(isIn == false){
TextValue tv = new TextValue();
tv.Name = x.InnerText;
tv.Value=x.InnerText;
l.Add(tv);
};
//l.Add(x.InnerText);
}
}
return l;
}
