public QueryTermVector(System.String queryString, Analyzer analyzer)
{
if (analyzer != null)
{
TokenStream stream = analyzer.TokenStream("", new System.IO.StringReader(queryString));
if (stream != null)
{
List <string> terms = new List <string>();
try
{
bool hasMoreTokens = false;
stream.Reset();
TermAttribute termAtt = (TermAttribute)stream.AddAttribute(typeof(TermAttribute));
hasMoreTokens = stream.IncrementToken();
while (hasMoreTokens)
{
terms.Add(termAtt.Term());
hasMoreTokens = stream.IncrementToken();
}
ProcessTerms(terms.ToArray());
}
catch (System.IO.IOException e)
{
}
}
}
}
public BooleanQuery GetCommQuery(string changecommBody, string changecommGroup, string changecommApps, string changecommCI)
{
Lucene.Net.Analysis.Analyzer commsAnalyzer = new Lucene.Net.Analysis.Standard.StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);
Lucene.Net.Search.BooleanQuery.MaxClauseCount = 25000;
TextReader textReadCommBody = new StringReader(changecommBody);
TextReader textReadCommGroup = new StringReader(changecommGroup);
TextReader textReadCommApps = new StringReader(changecommApps);
TextReader textReadCommCI = new StringReader(changecommCI);
Lucene.Net.Analysis.TokenStream tokenizedCommBody = commsAnalyzer.TokenStream(changecommBody, textReadCommBody);
Lucene.Net.Analysis.TokenStream tokenizedCommGroup = commsAnalyzer.TokenStream(changecommGroup, textReadCommGroup);
Lucene.Net.Analysis.TokenStream tokenizedCommApps = commsAnalyzer.TokenStream(changecommApps, textReadCommApps);
Lucene.Net.Analysis.TokenStream tokenizedCommCI = commsAnalyzer.TokenStream(changecommCI, textReadCommCI);
Lucene.Net.Search.BooleanQuery query1 = new Lucene.Net.Search.BooleanQuery();
try
{
int tokenCount = 0;
tokenizedCommBody.Reset();
var termAttrText = tokenizedCommBody.GetAttribute <Lucene.Net.Analysis.Tokenattributes.ITermAttribute>();
while (tokenizedCommBody.IncrementToken())
{
tokenCount++;
string Term = termAttrText.Term;
query1.Add(new Lucene.Net.Search.TermQuery(new Term("change_description", Term)), Lucene.Net.Search.Occur.SHOULD);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
Lucene.Net.Search.BooleanQuery query2 = new Lucene.Net.Search.BooleanQuery();
try
{
tokenizedCommGroup.Reset();
var termAttrTicker = tokenizedCommGroup.GetAttribute <Lucene.Net.Analysis.Tokenattributes.ITermAttribute>();
int tokenCount = 0;
while (tokenizedCommGroup.IncrementToken())
{
tokenCount++;
string Term = termAttrTicker.Term;
query2.Add(new Lucene.Net.Search.TermQuery(new Term("change_group", Term)), Lucene.Net.Search.Occur.SHOULD);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
Lucene.Net.Search.BooleanQuery query3 = new Lucene.Net.Search.BooleanQuery();
try
{
tokenizedCommApps.Reset();
var termAttrTicker = tokenizedCommApps.GetAttribute <Lucene.Net.Analysis.Tokenattributes.ITermAttribute>();
int tokenCount = 0;
while (tokenizedCommApps.IncrementToken())
{
tokenCount++;
string Term = termAttrTicker.Term;
query3.Add(new Lucene.Net.Search.TermQuery(new Term("application", Term)), Lucene.Net.Search.Occur.SHOULD);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
Lucene.Net.Search.BooleanQuery query4 = new Lucene.Net.Search.BooleanQuery();
try
{
tokenizedCommCI.Reset();
var termAttrTicker = tokenizedCommCI.GetAttribute <Lucene.Net.Analysis.Tokenattributes.ITermAttribute>();
int tokenCount = 0;
while (tokenizedCommCI.IncrementToken())
{
tokenCount++;
string Term = termAttrTicker.Term;
query4.Add(new Lucene.Net.Search.TermQuery(new Term("change_CI", Term)), Lucene.Net.Search.Occur.SHOULD);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
Lucene.Net.Search.BooleanQuery comQuery = new Lucene.Net.Search.BooleanQuery();
query4.Boost = 5;
query3.MinimumNumberShouldMatch = 1;
comQuery.Add(query1, Lucene.Net.Search.Occur.SHOULD);
comQuery.Add(query2, Lucene.Net.Search.Occur.SHOULD);
comQuery.Add(query3, Lucene.Net.Search.Occur.SHOULD);
comQuery.Add(query4, Lucene.Net.Search.Occur.SHOULD);
return(comQuery);
}
