public virtual void TestBoostsSimple()
{
IDictionary <string, float> boosts = new Dictionary <string, float>();
boosts["b"] = (float)5;
boosts["t"] = (float)10;
string[] fields = new string[] { "b", "t" };
MultiFieldQueryParser mfqp = new MultiFieldQueryParser(Util.Version.LUCENE_CURRENT, fields, new StandardAnalyzer(Util.Version.LUCENE_CURRENT), boosts);
//Check for simple
Query q = mfqp.Parse("one");
Assert.AreEqual("b:one^5.0 t:one^10.0", q.ToString());
//Check for AND
q = mfqp.Parse("one AND two");
Assert.AreEqual("+(b:one^5.0 t:one^10.0) +(b:two^5.0 t:two^10.0)", q.ToString());
//Check for OR
q = mfqp.Parse("one OR two");
Assert.AreEqual("(b:one^5.0 t:one^10.0) (b:two^5.0 t:two^10.0)", q.ToString());
//Check for AND and a field
q = mfqp.Parse("one AND two AND foo:test");
Assert.AreEqual("+(b:one^5.0 t:one^10.0) +(b:two^5.0 t:two^10.0) +foo:test", q.ToString());
q = mfqp.Parse("one^3 AND two^4");
Assert.AreEqual("+((b:one^5.0 t:one^10.0)^3.0) +((b:two^5.0 t:two^10.0)^4.0)", q.ToString());
}
public virtual void TestStaticMethod2Old()
{
System.String[] fields = new System.String[] { "b", "t" };
//int[] flags = {MultiFieldQueryParser.REQUIRED_FIELD, MultiFieldQueryParser.PROHIBITED_FIELD};
BooleanClause.Occur[] flags = new BooleanClause.Occur[] { BooleanClause.Occur.MUST, BooleanClause.Occur.MUST_NOT };
MultiFieldQueryParser parser = new MultiFieldQueryParser(fields, new StandardAnalyzer());
Query q = MultiFieldQueryParser.Parse("one", fields, flags, new StandardAnalyzer()); //, fields, flags, new StandardAnalyzer());
Assert.AreEqual("+b:one -t:one", q.ToString());
q = MultiFieldQueryParser.Parse("one two", fields, flags, new StandardAnalyzer());
Assert.AreEqual("+(b:one b:two) -(t:one t:two)", q.ToString());
try
{
BooleanClause.Occur[] flags2 = new BooleanClause.Occur[] { BooleanClause.Occur.MUST };
q = MultiFieldQueryParser.Parse("blah", fields, flags2, new StandardAnalyzer());
Assert.Fail();
}
catch (System.ArgumentException e)
{
// expected exception, array length differs
}
}
public virtual void TestBoostsSimple()
{
System.Collections.IDictionary boosts = new System.Collections.Hashtable();
boosts["b"] = (float)5;
boosts["t"] = (float)10;
System.String[] fields = new System.String[] { "b", "t" };
MultiFieldQueryParser mfqp = new MultiFieldQueryParser(fields, new StandardAnalyzer(), boosts);
//Check for simple
Query q = mfqp.Parse("one");
Assert.AreEqual("b:one^5.0 t:one^10.0", q.ToString());
//Check for AND
q = mfqp.Parse("one AND two");
Assert.AreEqual("+(b:one^5.0 t:one^10.0) +(b:two^5.0 t:two^10.0)", q.ToString());
//Check for OR
q = mfqp.Parse("one OR two");
Assert.AreEqual("(b:one^5.0 t:one^10.0) (b:two^5.0 t:two^10.0)", q.ToString());
//Check for AND and a field
q = mfqp.Parse("one AND two AND foo:test");
Assert.AreEqual("+(b:one^5.0 t:one^10.0) +(b:two^5.0 t:two^10.0) +foo:test", q.ToString());
q = mfqp.Parse("one^3 AND two^4");
Assert.AreEqual("+((b:one^5.0 t:one^10.0)^3.0) +((b:two^5.0 t:two^10.0)^4.0)", q.ToString());
}
// verify parsing of query using a stopping analyzer
private void AssertStopQueryEquals(string qtxt, string expectedRes)
{
string[] fields = new string[] { "b", "t" };
Occur[] occur = new Occur[] { Occur.SHOULD, Occur.SHOULD };
TestQueryParser.QPTestAnalyzer a = new TestQueryParser.QPTestAnalyzer();
MultiFieldQueryParser mfqp = new MultiFieldQueryParser(Util.Version.LUCENE_CURRENT, fields, a);
Query q = mfqp.Parse(qtxt);
Assert.AreEqual(expectedRes, q.ToString());
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, qtxt, fields, occur, a);
Assert.AreEqual(expectedRes, q.ToString());
}
// verify parsing of query using a stopping analyzer
private void AssertStopQueryEquals(System.String qtxt, System.String expectedRes)
{
System.String[] fields = new System.String[] { "b", "t" };
Occur[] occur = new Occur[] { Occur.SHOULD, Occur.SHOULD };
TestQueryParser.QPTestAnalyzer a = new TestQueryParser.QPTestAnalyzer();
MultiFieldQueryParser mfqp = new MultiFieldQueryParser(fields, a);
Query q = mfqp.Parse(qtxt);
Assert.AreEqual(expectedRes, q.ToString());
q = MultiFieldQueryParser.Parse(qtxt, fields, occur, a);
Assert.AreEqual(expectedRes, q.ToString());
}
public virtual void TestAnalyzerReturningNull()
{
System.String[] fields = new System.String[] { "f1", "f2", "f3" };
MultiFieldQueryParser parser = new MultiFieldQueryParser(fields, new AnalyzerReturningNull());
Query q = parser.Parse("bla AND blo");
Assert.AreEqual("+(f2:bla f3:bla) +(f2:blo f3:blo)", q.ToString());
// the following queries are not affected as their terms are not analyzed anyway:
q = parser.Parse("bla*");
Assert.AreEqual("f1:bla* f2:bla* f3:bla*", q.ToString());
q = parser.Parse("bla~");
Assert.AreEqual("f1:bla~0.5 f2:bla~0.5 f3:bla~0.5", q.ToString());
q = parser.Parse("[a TO c]");
Assert.AreEqual("f1:[a TO c] f2:[a TO c] f3:[a TO c]", q.ToString());
}
public virtual void TestStaticMethod2()
{
string[] fields = new [] { "b", "t" };
Occur[] flags = new [] { Occur.MUST, Occur.MUST_NOT };
Query q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, "one", fields, flags, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("+b:one -t:one", q.ToString());
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, "one two", fields, flags, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("+(b:one b:two) -(t:one t:two)", q.ToString());
Occur[] flags2 = new [] { Occur.MUST };
Assert.Throws <ArgumentException>(
() =>
MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, "blah", fields, flags2,
new StandardAnalyzer(Util.Version.LUCENE_CURRENT)));
}
public virtual void AssertQueryEqualsDOA(System.String query, Analyzer a, System.String result)
{
Query q = GetQueryDOA(query, a);
System.String s = q.ToString("Field");
if (!s.Equals(result))
{
Assert.Fail("Query /" + query + "/ yielded /" + s + "/, expecting /" + result + "/");
}
}
public virtual void TestStaticMethod2Old()
{
var fields = new[] { "b", "t" };
//int[] flags = {MultiFieldQueryParser.REQUIRED_FIELD, MultiFieldQueryParser.PROHIBITED_FIELD};
var flags = new[] { Occur.MUST, Occur.MUST_NOT };
var parser = new MultiFieldQueryParser(Util.Version.LUCENE_CURRENT, fields, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Query q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, "one", fields, flags, new StandardAnalyzer(Util.Version.LUCENE_CURRENT)); //, fields, flags, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("+b:one -t:one", q.ToString());
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, "one two", fields, flags, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("+(b:one b:two) -(t:one t:two)", q.ToString());
var flags2 = new [] { Occur.MUST };
Assert.Throws <ArgumentException>(
() =>
MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, "blah", fields, flags2,
new StandardAnalyzer(Util.Version.LUCENE_CURRENT)));
}
/* (non-Javadoc) @see Lucene.Net.Search.Query#toString(java.lang.String) */
public override System.String ToString(System.String field)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder(Name()).Append("(");
sb.Append(subQuery.ToString(field));
for (int i = 0; i < valSrcQueries.Length; i++)
{
sb.Append(", ").Append(valSrcQueries[i].ToString(field));
}
sb.Append(")");
sb.Append(strict ? " STRICT" : "");
return(sb.ToString() + ToStringUtils.Boost(GetBoost()));
}
public virtual void AssertWildcardQueryEquals(System.String query, bool lowercase, System.String result)
{
QueryParsers.QueryParser qp = GetParser(null);
qp.SetLowercaseWildcardTerms(lowercase);
Query q = qp.Parse(query);
System.String s = q.ToString("Field");
if (!s.Equals(result))
{
Assert.Fail("WildcardQuery /" + query + "/ yielded /" + s + "/, expecting /" + result + "/");
}
}
public virtual void TestPerFieldAnalyzer()
{
PerFieldAnalyzerWrapper analyzer = new PerFieldAnalyzerWrapper(new SimpleAnalyzer());
analyzer.AddAnalyzer("partnum", new KeywordAnalyzer());
QueryParser queryParser = new QueryParser(Version.LUCENE_CURRENT, "description", analyzer);
Query query = queryParser.Parse("partnum:Q36 AND SPACE");
ScoreDoc[] hits = searcher.Search(query, null, 1000, null).ScoreDocs;
Assert.AreEqual("+partnum:Q36 +space", query.ToString("description"), "Q36 kept as-is");
Assert.AreEqual(1, hits.Length, "doc found!");
}
public virtual void TestStaticMethod3Old()
{
System.String[] queries = new System.String[] { "one", "two" };
System.String[] fields = new System.String[] { "b", "t" };
BooleanClause.Occur[] flags = new BooleanClause.Occur[] { BooleanClause.Occur.MUST, BooleanClause.Occur.MUST_NOT };
Query q = MultiFieldQueryParser.Parse(queries, fields, flags, new StandardAnalyzer());
Assert.AreEqual("+b:one -t:two", q.ToString());
try
{
BooleanClause.Occur[] flags2 = new BooleanClause.Occur[] { BooleanClause.Occur.MUST };
q = MultiFieldQueryParser.Parse(queries, fields, flags2, new StandardAnalyzer());
Assert.Fail();
}
catch (System.ArgumentException e)
{
// expected exception, array length differs
}
}
public virtual void TestStaticMethod1()
{
System.String[] fields = new System.String[] { "b", "t" };
System.String[] queries = new System.String[] { "one", "two" };
Query q = MultiFieldQueryParser.Parse(queries, fields, new StandardAnalyzer());
Assert.AreEqual("b:one t:two", q.ToString());
System.String[] queries2 = new System.String[] { "+one", "+two" };
q = MultiFieldQueryParser.Parse(queries2, fields, new StandardAnalyzer());
Assert.AreEqual("(+b:one) (+t:two)", q.ToString());
System.String[] queries3 = new System.String[] { "one", "+two" };
q = MultiFieldQueryParser.Parse(queries3, fields, new StandardAnalyzer());
Assert.AreEqual("b:one (+t:two)", q.ToString());
System.String[] queries4 = new System.String[] { "one +more", "+two" };
q = MultiFieldQueryParser.Parse(queries4, fields, new StandardAnalyzer());
Assert.AreEqual("(b:one +b:more) (+t:two)", q.ToString());
System.String[] queries5 = new System.String[] { "blah" };
try
{
q = MultiFieldQueryParser.Parse(queries5, fields, new StandardAnalyzer());
Assert.Fail();
}
catch (System.ArgumentException e)
{
// expected exception, array length differs
}
// check also with stop words for this static form (qtxts[], fields[]).
TestQueryParser.QPTestAnalyzer stopA = new TestQueryParser.QPTestAnalyzer();
System.String[] queries6 = new System.String[] { "((+stop))", "+((stop))" };
q = MultiFieldQueryParser.Parse(queries6, fields, stopA);
Assert.AreEqual("", q.ToString());
System.String[] queries7 = new System.String[] { "one ((+stop)) +more", "+((stop)) +two" };
q = MultiFieldQueryParser.Parse(queries7, fields, stopA);
Assert.AreEqual("(b:one +b:more) (+t:two)", q.ToString());
}
public virtual void TestStaticMethod1()
{
var fields = new [] { "b", "t" };
var queries = new [] { "one", "two" };
Query q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, queries, fields, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("b:one t:two", q.ToString());
var queries2 = new [] { "+one", "+two" };
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, queries2, fields, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("(+b:one) (+t:two)", q.ToString());
var queries3 = new [] { "one", "+two" };
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, queries3, fields, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("b:one (+t:two)", q.ToString());
var queries4 = new [] { "one +more", "+two" };
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, queries4, fields, new StandardAnalyzer(Util.Version.LUCENE_CURRENT));
Assert.AreEqual("(b:one +b:more) (+t:two)", q.ToString());
var queries5 = new [] { "blah" };
Assert.Throws <ArgumentException>(() => MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, queries5, fields,
new StandardAnalyzer(Util.Version.LUCENE_CURRENT)));
// check also with stop words for this static form (qtxts[], fields[]).
var stopA = new TestQueryParser.QPTestAnalyzer();
var queries6 = new [] { "((+stop))", "+((stop))" };
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, queries6, fields, stopA);
Assert.AreEqual("", q.ToString());
var queries7 = new [] { "one ((+stop)) +more", "+((stop)) +two" };
q = MultiFieldQueryParser.Parse(Util.Version.LUCENE_CURRENT, queries7, fields, stopA);
Assert.AreEqual("(b:one +b:more) (+t:two)", q.ToString());
}
public QueryTraceScopeContext(Lucene.Net.Search.Query query)
{
Query = query.ToString();
}
/// <summary>
/// Deal with the information need as suitable query
/// search the processed query
/// display the result
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void submitButton_Click(object sender, EventArgs e)
{
CleanResult();
infoNeed = InfoNeedInput.Text;
Stopwatch stopwatch = new Stopwatch();
//give an error warning when input is null
if (infoNeed == "")
{
MessageBox.Show("Invalid input!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
InfoNeedInput.Clear();
return;
}
//take the analyzer selected by users
string analyzerSelection = comboBox1.SelectedItem.ToString();
myLuceneApp.AnalyzerSelection(analyzerSelection);
//make the input "as is" to search
myLuceneApp.CreateSearcher();
if (checkBox1.Checked)
{
infoNeed = infoNeed.Replace("\"", "");
infoNeed = "\"" + infoNeed + "\"";
}
string expandedQueryItems = "";
OptionOfQeryExpansionAndWeighterQueries(expandedQueryItems);
AnalyzerChoice();
//record searching time
stopwatch.Start();
//parse the information need into final query terms
Lucene.Net.Search.Query query = myLuceneApp.InfoParser(infoNeed);
string queryText = query.ToString();
//display the final query in textbox
textBox2.Text = queryText;
Lucene.Net.Search.TopDocs result = myLuceneApp.SearchText(query);
stopwatch.Stop();
TimeSpan timeSpan = stopwatch.Elapsed;
double time = timeSpan.TotalSeconds;
time = Math.Round(time, 4);
toolStripStatusLabel2.Text = "Searching time: " + time.ToString() + "s";
int rank = 0;
pageDivded.DtSource.Columns.Add("list");
//display the number of result
groupBox5.Text = "Result: " + result.TotalHits.ToString();
//display the results
foreach (Lucene.Net.Search.ScoreDoc scoreDoc in result.ScoreDocs)
{
rank++;
Lucene.Net.Documents.Document doc = myLuceneApp.GetSearcher.Doc(scoreDoc.Doc);
string ID = "ID" + doc.Get("id").Replace(" ", "").ToString();
string title = "Title: " + doc.Get("title").ToString();
string author = "Author: " + doc.Get("author").ToString();
string bbibliographic = "Bibliographic: " + doc.Get("bibliographic").ToString();
string textAbstract = doc.Get("firstSentence").ToString();
string row = "Rank:" + rank + "\r\n" + title + "\r\n" + author + "\r\n" + bbibliographic + "\r\n" + textAbstract + "\r\n";
pageDivded.DtSource.Rows.Add(row);
}
//A prompt message pop up when there is no results
if (pageDivded.DtSource.Rows.Count <= 0)
{
MessageBox.Show("No result", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
pageDivded.DividedPage();
dataGridView1.DataSource = pageDivded.LoadPage();
dataGridView1.Columns["list"].FillWeight = 240;
dataGridView1.Show();
label6.Text = pageDivded.PageNumber();
myLuceneApp.CleanUpSearcher();
}
public virtual void DoSearching(Query unReWrittenQuery)
{
searcher = new IndexSearcher(ramDir);
//for any multi-term queries to work (prefix, wildcard, range,fuzzy etc) you must use a rewritten query!
query = unReWrittenQuery.Rewrite(reader);
System.Console.Out.WriteLine("Searching for: " + query.ToString(FIELD_NAME));
hits = searcher.Search(query);
}
public virtual void TestMultiSearcher()
{
//setup index 1
RAMDirectory ramDir1 = new RAMDirectory();
IndexWriter writer1 = new IndexWriter(ramDir1, new StandardAnalyzer(), true);
Document d = new Document();
Field f = new Field(FIELD_NAME, "multiOne", Field.Store.YES, Field.Index.TOKENIZED);
d.Add(f);
writer1.AddDocument(d);
writer1.Optimize();
writer1.Close();
IndexReader reader1 = IndexReader.Open(ramDir1);
//setup index 2
RAMDirectory ramDir2 = new RAMDirectory();
IndexWriter writer2 = new IndexWriter(ramDir2, new StandardAnalyzer(), true);
d = new Document();
f = new Field(FIELD_NAME, "multiTwo", Field.Store.YES, Field.Index.TOKENIZED);
d.Add(f);
writer2.AddDocument(d);
writer2.Optimize();
writer2.Close();
IndexReader reader2 = IndexReader.Open(ramDir2);
IndexSearcher[] searchers = new IndexSearcher[2];
searchers[0] = new IndexSearcher(ramDir1);
searchers[1] = new IndexSearcher(ramDir2);
MultiSearcher multiSearcher = new MultiSearcher(searchers);
QueryParser parser = new QueryParser(FIELD_NAME, new StandardAnalyzer());
parser.SetMultiTermRewriteMethod(MultiTermQuery.SCORING_BOOLEAN_QUERY_REWRITE);
query = parser.Parse("multi*");
System.Console.Out.WriteLine("Searching for: " + query.ToString(FIELD_NAME));
//at this point the multisearcher calls combine(query[])
hits = multiSearcher.Search(query);
//query = QueryParser.parse("multi*", FIELD_NAME, new StandardAnalyzer());
Query[] expandedQueries = new Query[2];
expandedQueries[0] = query.Rewrite(reader1);
expandedQueries[1] = query.Rewrite(reader2);
query = query.Combine(expandedQueries);
//create an instance of the highlighter with the tags used to surround highlighted text
Highlighter highlighter = new Highlighter(this, new QueryScorer(query));
for (int i = 0; i < hits.Length(); i++)
{
System.String text = hits.Doc(i).Get(FIELD_NAME);
TokenStream tokenStream = analyzer.TokenStream(FIELD_NAME, new System.IO.StringReader(text));
System.String highlightedText = highlighter.GetBestFragment(tokenStream, text);
System.Console.Out.WriteLine(highlightedText);
}
Assert.IsTrue(numHighlights == 2, "Failed to find correct number of highlights " + numHighlights + " found");
}
public virtual void TestSimple()
{
System.String[] fields = new System.String[] { "b", "t" };
MultiFieldQueryParser mfqp = new MultiFieldQueryParser(fields, new StandardAnalyzer());
Query q = mfqp.Parse("one");
Assert.AreEqual("b:one t:one", q.ToString());
q = mfqp.Parse("one two");
Assert.AreEqual("(b:one t:one) (b:two t:two)", q.ToString());
q = mfqp.Parse("+one +two");
Assert.AreEqual("+(b:one t:one) +(b:two t:two)", q.ToString());
q = mfqp.Parse("+one -two -three");
Assert.AreEqual("+(b:one t:one) -(b:two t:two) -(b:three t:three)", q.ToString());
q = mfqp.Parse("one^2 two");
Assert.AreEqual("((b:one t:one)^2.0) (b:two t:two)", q.ToString());
q = mfqp.Parse("one~ two");
Assert.AreEqual("(b:one~0.5 t:one~0.5) (b:two t:two)", q.ToString());
q = mfqp.Parse("one~0.8 two^2");
Assert.AreEqual("(b:one~0.8 t:one~0.8) ((b:two t:two)^2.0)", q.ToString());
q = mfqp.Parse("one* two*");
Assert.AreEqual("(b:one* t:one*) (b:two* t:two*)", q.ToString());
q = mfqp.Parse("[a TO c] two");
Assert.AreEqual("(b:[a TO c] t:[a TO c]) (b:two t:two)", q.ToString());
q = mfqp.Parse("w?ldcard");
Assert.AreEqual("b:w?ldcard t:w?ldcard", q.ToString());
q = mfqp.Parse("\"foo bar\"");
Assert.AreEqual("b:\"foo bar\" t:\"foo bar\"", q.ToString());
q = mfqp.Parse("\"aa bb cc\" \"dd ee\"");
Assert.AreEqual("(b:\"aa bb cc\" t:\"aa bb cc\") (b:\"dd ee\" t:\"dd ee\")", q.ToString());
q = mfqp.Parse("\"foo bar\"~4");
Assert.AreEqual("b:\"foo bar\"~4 t:\"foo bar\"~4", q.ToString());
// LUCENE-1213: MultiFieldQueryParser was ignoring slop when phrase had a field.
q = mfqp.Parse("b:\"foo bar\"~4");
Assert.AreEqual("b:\"foo bar\"~4", q.ToString());
// make sure that terms which have a field are not touched:
q = mfqp.Parse("one f:two");
Assert.AreEqual("(b:one t:one) f:two", q.ToString());
// AND mode:
mfqp.SetDefaultOperator(QueryParser.AND_OPERATOR);
q = mfqp.Parse("one two");
Assert.AreEqual("+(b:one t:one) +(b:two t:two)", q.ToString());
q = mfqp.Parse("\"aa bb cc\" \"dd ee\"");
Assert.AreEqual("+(b:\"aa bb cc\" t:\"aa bb cc\") +(b:\"dd ee\" t:\"dd ee\")", q.ToString());
}
/// <summary>
/// save result as txt file
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void saveResultButton_Click_2(object sender, EventArgs e)
{
//set paramaeter of savefiledialog
Stream stream;
saveFileDialog1.CreatePrompt = true;
saveFileDialog1.OverwritePrompt = true;
saveFileDialog1.DefaultExt = "txt";
saveFileDialog1.Filter = "Text files (*.txt)|*.txt|All files (*.*)|*.*";
saveFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
if (infoNeed == "")
{
MessageBox.Show("Invalid input!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
InfoNeedInput.Clear();
return;
}
myLuceneApp.CreateSearcher();
Lucene.Net.Search.Query query = myLuceneApp.InfoParser(infoNeed);
Lucene.Net.Search.TopDocs result = myLuceneApp.SearchText(query);
string query1 = query.ToString();
string path = "";
string oneLine = "";
int rank = 0;
string topicID = textBox3.Text;
string gropunumber = "0123456798_0987654321_ourteam";
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
path = saveFileDialog1.FileName;
if (File.Exists(path))
{
using (StreamWriter myWritter1 = File.AppendText(path))
{
foreach (Lucene.Net.Search.ScoreDoc scoreDoc in result.ScoreDocs)
{
rank++;
Lucene.Net.Documents.Document doc = myLuceneApp.GetSearcher.Doc(scoreDoc.Doc);
string docID = doc.Get("id").Replace(" ", "").Replace("\n", "").Replace("\r", "").ToString();
oneLine = string.Format("{0}\tQ0\t{1}\t{2}\t{3}\t{4}", topicID, docID, rank, scoreDoc.Score.ToString(), gropunumber);
myWritter1.WriteLine(oneLine);
}
myWritter1.Flush();
myWritter1.Close();
}
}
else if ((stream = saveFileDialog1.OpenFile()) != null)
{
using (StreamWriter myWritter2 = new StreamWriter(stream))
{
foreach (Lucene.Net.Search.ScoreDoc scoreDoc in result.ScoreDocs)
{
rank++;
Lucene.Net.Documents.Document doc = myLuceneApp.GetSearcher.Doc(scoreDoc.Doc);
string docID = doc.Get("id").Replace(" ", "").Replace("\n", "").Replace("\r", "").ToString();
oneLine = string.Format("{0}\tQ0\t{1}\t{2}\t{3}\t{4}", topicID, docID, rank, scoreDoc.Score.ToString(), gropunumber);
myWritter2.WriteLine(oneLine);
}
myWritter2.Flush();
myWritter2.Close();
//"{0}\tQ0\t{1,10}\t{2,5}\t{3,15}\t{4,38}"
}
}
}
}
public static void Main(System.String[] args)
{
System.String usage = "Usage:\t" + typeof(SearchFiles) + "[-index dir] [-field f] [-repeat n] [-queries file] [-raw] [-norms field] [-paging hitsPerPage]";
usage += "\n\tSpecify 'false' for hitsPerPage to use streaming instead of paging search.";
if (args.Length > 0 && ("-h".Equals(args[0]) || "-help".Equals(args[0])))
{
System.Console.Out.WriteLine(usage);
System.Environment.Exit(0);
}
System.String index = "index";
System.String field = "contents";
System.String queries = null;
int repeat = 0;
bool raw = false;
System.String normsField = null;
bool paging = true;
int hitsPerPage = 10;
for (int i = 0; i < args.Length; i++)
{
if ("-index".Equals(args[i]))
{
index = args[i + 1];
i++;
}
else if ("-field".Equals(args[i]))
{
field = args[i + 1];
i++;
}
else if ("-queries".Equals(args[i]))
{
queries = args[i + 1];
i++;
}
else if ("-repeat".Equals(args[i]))
{
repeat = System.Int32.Parse(args[i + 1]);
i++;
}
else if ("-raw".Equals(args[i]))
{
raw = true;
}
else if ("-norms".Equals(args[i]))
{
normsField = args[i + 1];
i++;
}
else if ("-paging".Equals(args[i]))
{
if (args[i + 1].Equals("false"))
{
paging = false;
}
else
{
hitsPerPage = System.Int32.Parse(args[i + 1]);
if (hitsPerPage == 0)
{
paging = false;
}
}
i++;
}
}
IndexReader reader = IndexReader.Open(FSDirectory.Open(new System.IO.FileInfo(index)), true); // only searching, so read-only=true
if (normsField != null)
{
reader = new OneNormsReader(reader, normsField);
}
Searcher searcher = new IndexSearcher(reader);
Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_CURRENT);
System.IO.StreamReader in_Renamed = null;
if (queries != null)
{
in_Renamed = new System.IO.StreamReader(new System.IO.StreamReader(queries, System.Text.Encoding.Default).BaseStream, new System.IO.StreamReader(queries, System.Text.Encoding.Default).CurrentEncoding);
}
else
{
in_Renamed = new System.IO.StreamReader(new System.IO.StreamReader(System.Console.OpenStandardInput(), System.Text.Encoding.GetEncoding("UTF-8")).BaseStream, new System.IO.StreamReader(System.Console.OpenStandardInput(), System.Text.Encoding.GetEncoding("UTF-8")).CurrentEncoding);
}
QueryParser parser = new QueryParser(field, analyzer);
while (true)
{
if (queries == null)
{
// prompt the user
System.Console.Out.WriteLine("Enter query: ");
}
System.String line = in_Renamed.ReadLine();
if (line == null || line.Length == -1)
{
break;
}
line = line.Trim();
if (line.Length == 0)
{
break;
}
Query query = parser.Parse(line);
System.Console.Out.WriteLine("Searching for: " + query.ToString(field));
if (repeat > 0)
{
// repeat & time as benchmark
System.DateTime start = System.DateTime.Now;
for (int i = 0; i < repeat; i++)
{
searcher.Search(query, null, 100);
}
System.DateTime end = System.DateTime.Now;
System.Console.Out.WriteLine("Time: " + (end.Millisecond - start.Millisecond) + "ms");
}
if (paging)
{
DoPagingSearch(in_Renamed, searcher, query, hitsPerPage, raw, queries == null);
}
else
{
DoStreamingSearch(searcher, query);
}
}
reader.Close();
}
public static void Main(System.String[] args)
{
try
{
Searcher searcher = new IndexSearcher(@"index");
Analyzer analyzer = new StandardAnalyzer();
System.IO.StreamReader in_Renamed = new System.IO.StreamReader(new System.IO.StreamReader(System.Console.OpenStandardInput(), System.Text.Encoding.Default).BaseStream, new System.IO.StreamReader(System.Console.OpenStandardInput(), System.Text.Encoding.Default).CurrentEncoding);
while (true)
{
System.Console.Out.Write("Query: ");
System.String line = in_Renamed.ReadLine();
if (line.Length == -1)
{
break;
}
Query query = QueryParser.Parse(line, "contents", analyzer);
System.Console.Out.WriteLine("Searching for: " + query.ToString("contents"));
Hits hits = searcher.Search(query);
System.Console.Out.WriteLine(hits.Length() + " total matching documents");
int HITS_PER_PAGE = 10;
for (int start = 0; start < hits.Length(); start += HITS_PER_PAGE)
{
int end = System.Math.Min(hits.Length(), start + HITS_PER_PAGE);
for (int i = start; i < end; i++)
{
Document doc = hits.Doc(i);
System.String path = doc.Get("path");
if (path != null)
{
System.Console.Out.WriteLine(i + ". " + path);
}
else
{
System.String url = doc.Get("url");
if (url != null)
{
System.Console.Out.WriteLine(i + ". " + url);
System.Console.Out.WriteLine(" - " + doc.Get("title"));
}
else
{
System.Console.Out.WriteLine(i + ". " + "No path nor URL for this document");
}
}
}
if (hits.Length() > end)
{
System.Console.Out.Write("more (y/n) ? ");
line = in_Renamed.ReadLine();
if (line.Length == 0 || line[0] == 'n')
{
break;
}
}
}
}
searcher.Close();
}
catch (System.Exception e)
{
System.Console.Out.WriteLine(" caught a " + e.GetType() + "\n with message: " + e.Message);
}
}
public override System.String ToString(System.String f)
{
return(q.ToString(f));
}
