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OpenSearchServer is a powerful, enterprise-class, search engine program. Using the web user interface, the crawlers (web, file, database, ...) and the REST/RESTFul API you will be able to integrate quickly and easily advanced full-text search capabilities in your application. OpenSearchServer runs on Windows and Linux/Unix/BSD.
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/**
* License Agreement for OpenSearchServer
*
* Copyright (C) 2012-2014 Emmanuel Keller / Jaeksoft
*
* http://www.open-search-server.com
*
* This file is part of OpenSearchServer.
*
* OpenSearchServer is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenSearchServer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenSearchServer.
* If not, see
implements ResultDocumentsInterface {
final private ReaderInterface reader;
final private DocIdInterface docs;
final private ScoreInterface scores;
final private LinkedHashSet fieldNameSet;
public ResultMoreLikeThis(ReaderAbstract reader, MoreLikeThisRequest request)
throws SearchLibException, IOException, ParseException, SyntaxError, InstantiationException,
IllegalAccessException, ClassNotFoundException {
super(request);
this.reader = reader;
AbstractLocalSearchRequest searchRequest = new SearchPatternRequest(request.getConfig());
for (FilterAbstract filter : request.getFilterList())
searchRequest.getFilterList().add(filter);
searchRequest.setBoostedComplexQuery(request.getQuery());
DocSetHits dsh = reader.searchDocSet(searchRequest, timer);
if (dsh == null) {
fieldNameSet = null;
docs = null;
scores = null;
return;
}
docs = dsh.getCollector(DocIdInterface.class);
new DescScoreSorter(docs).quickSort(timer);
scores = dsh.getCollector(ScoreInterface.class);
fieldNameSet = new LinkedHashSet();
request.getReturnFieldList().populate(fieldNameSet);
}
@Override
public ResultDocument getDocument(int pos, Timer timer) throws SearchLibException {
if (docs == null)
return null;
if (pos < 0 || pos >= docs.getSize())
return null;
try {
float score = scores != null ? scores.getScores()[pos] : 0;
return new ResultDocument(fieldNameSet, docs.getIds()[pos], reader, score, null, timer);
} catch (IOException e) {
throw new SearchLibException(e);
} catch (ParseException e) {
throw new SearchLibException(e);
} catch (SyntaxError e) {
throw new SearchLibException(e);
}
}
@Override
public float getScore(int pos) {
if (scores == null)
return 0;
return scores.getScores()[pos];
}
@Override
public Float getDistance(int pos) {
return null;
}
@Override
public int getCollapseCount(int pos) {
return ResultDocument.getCollapseCount(docs, pos);
}
@Override
public int getNumFound() {
if (docs == null)
return 0;
return docs.getSize();
}
@Override
protected Render getRenderXml() {
return new RenderMoreLikeThisXml(this);
}
@Override
protected Render getRenderCsv() {
// TODO Auto-generated method stub
return null;
}
@Override
protected Render getRenderJson(boolean indent) {
return new RenderMoreLikeThisJson(this, indent);
}
@Override
public Iterator iterator() {
return new ResultDocumentIterator(this, null);
}
@Override
public int getDocumentCount() {
int end = request.getEnd();
int len = getNumFound();
if (end > len)
end = len;
return end - request.getStart();
}
@Override
public int getRequestStart() {
return request.getStart();
}
@Override
public int getRequestRows() {
return request.getRows();
}
@Override
public DocIdInterface getDocs() {
return docs;
}
@Override
public float getMaxScore() {
if (scores == null)
return 0;
return scores.getMaxScore();
}
@Override
public int getCollapsedDocCount() {
return 0;
}
@Override
public void populate(List indexDocuments) throws IOException, SearchLibException {
throw new SearchLibException("Method not available");
}
}