private static Map<String, List<String>> generate_result(Directory directory) {
Map<String, List<String>> result_map = new HashMap<String, List<String>>();
try {
IndexReader reader = IndexReader.open(directory);
TermEnum termEnum = reader.terms();
while (termEnum.next()) {
String termEnumString = termEnum.term().toString();
if (termEnumString.startsWith("content:")) {
String term = termEnumString.substring(termEnumString.lastIndexOf(":") + 1);
TermDocs termDocs = reader.termDocs(termEnum.term());
while (termDocs.next()) {
Document doc = reader.document(termDocs.doc());
String relative_path = doc.get("relative_path");
if (result_map.containsKey(relative_path)) {
result_map.get(relative_path).add(term + termDocs.freq());
} else {
result_map.put(relative_path, new ArrayList<String>());
}
}
}
}
} catch (IOException e) {
e.printStackTrace();
} finally {
}
return result_map;
}
public void getIndexInfo(String indexdir, int freqThreshold) {
IndexReader reader = null;
try {
Directory dir = FSDirectory.open(new File(indexdir));
System.out.println(dir);
reader = IndexReader.open(dir);
System.out.println("document num:" + reader.numDocs());
System.out.println("======================");
TermEnum terms = reader.terms();
sortedTermQueue.clear();
maxDocNum = reader.maxDoc();
linkMap.clear();
termList.clear();
while (terms.next()) {
// System.out.print(terms.term() + "\tDocFreq:" +
TermDocs termDocs = reader.termDocs(terms.term());
MyTerm temp = new MyTerm(terms.term(), termDocs, maxDocNum);
if (temp.totalFreq < freqThreshold) {
continue;
} /*
* if(temp.originTrem.text().length()==1){ continue; }
*/
linkMap.put(temp.originTrem.text(), temp);
sortedTermQueue.add(temp);
termList.add(temp);
}
System.out.println("total Size:" + sortedTermQueue.size());
System.out.println("mapsize:" + linkMap.keySet().size());
// System.exit(0);
int num = 0;
this.maxFreq = sortedTermQueue.peek().totalFreq;
while (!sortedTermQueue.isEmpty()) {
num++;
System.out.println(num + ":" + sortedTermQueue.poll());
}
System.out.println("read index info done");
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}