@Override
public boolean reload(String collectionName, int docNum) {
if (collectionName == null) return false;
CrescentCollectionHandler collectionHandler =
SpringApplicationContext.getBean(
"crescentCollectionHandler", CrescentCollectionHandler.class);
CrescentCollection collection =
collectionHandler.getCrescentCollections().getCrescentCollection(collectionName);
if (collection == null) {
logger.debug("doesn't Collection Info => {}", collectionName);
return false;
}
List<String> fieldName = new ArrayList<String>();
List<String> flag = new ArrayList<String>();
List<String> norm = new ArrayList<String>();
List<String> value = new ArrayList<String>();
try {
Directory directory = FSDirectory.open(new File(collection.getIndexingDirectory()));
IndexReader reader = IndexReader.open(directory);
Document document = null;
try {
document = reader.document(docNum);
} catch (IllegalArgumentException e) {
e.printStackTrace();
return false;
}
String fName = null;
for (Fieldable field : document.getFields()) {
fName = field.name();
fieldName.add(fName);
flag.add(fieldFlag(field));
if (reader.hasNorms(fName)) {
norm.add(String.valueOf(Similarity.decodeNorm(reader.norms(fName)[docNum])));
} else {
norm.add("---");
}
value.add(field.stringValue());
}
} catch (IOException e) {
e.printStackTrace();
return false;
}
result.put("collection", collectionName);
result.put("docNum", docNum);
result.put("fieldName", fieldName);
result.put("flag", flag);
result.put("norm", norm);
result.put("value", value);
return true;
}
@Override
public boolean reload(String collectionName, String topRankingField) {
if (collectionName == null) {
return false;
}
CrescentCollectionHandler collectionHandler =
SpringApplicationContext.getBean(
"crescentCollectionHandler", CrescentCollectionHandler.class);
CrescentCollection collection =
collectionHandler.getCrescentCollections().getCrescentCollection(collectionName);
if (collection == null) {
logger.debug("doesn't Collection Info => {}", collectionName);
init(View.Overview);
return false;
}
if (topRankingField == null) {
if (collection.getDefaultSearchFields().get(0) != null) {
topRankingField = collection.getDefaultSearchFields().get(0).getName();
} else {
logger.debug("doesn't defaultSearchField => {}", collectionName);
init(View.Overview);
return false;
}
}
List<String> fieldName = new ArrayList<String>();
for (CrescentCollectionField field : collection.getFields()) fieldName.add(field.getName());
TopRankingQueue topRankingQueue =
new TopRankingQueue(DEFAULT_TOPRANKING_TERM, new RankingTermComparator());
try {
Directory directory = FSDirectory.open(new File(collection.getIndexingDirectory()));
IndexReader reader = IndexReader.open(directory);
TermEnum terms = reader.terms();
int termFreq = 0;
int termCount = 0;
Term beforeTerm = null;
// init term count
fieldTermCount.clear();
for (CrescentCollectionField field : collection.getFields())
fieldTermCount.put(field.getName(), 0);
topRankingQueue.clear();
while (terms.next()) {
Term currTerm = terms.term();
if (beforeTerm == null) {
beforeTerm = currTerm;
}
if (beforeTerm.field() == currTerm.field()) {
termCount++;
} else {
fieldTermCount.put(beforeTerm.field(), termCount);
termCount = 1;
beforeTerm = currTerm;
}
TermDocs termDocs = reader.termDocs(currTerm);
while (termDocs.next()) {
if (currTerm.field().equals(topRankingField)) {
RankingTerm e = new RankingTerm(currTerm.text(), currTerm.field(), termDocs.freq());
topRankingQueue.add(e);
}
}
termFreq++;
}
if (beforeTerm != null) fieldTermCount.put(beforeTerm.field(), termCount);
terms.close();
result.put("numOfTerm", termFreq);
result.put("numOfDoc", reader.numDocs());
result.put("hasDel", reader.hasDeletions());
result.put("isOptimize", reader.isOptimized());
result.put("indexVersion", reader.getVersion());
result.put("lastModify", new Date(IndexReader.lastModified(directory)));
} catch (IOException e) {
e.printStackTrace();
return false;
}
if (topRankingQueue.size() != 0) {
topRankingTerms = topRankingQueue.toArray();
Arrays.sort(topRankingTerms);
}
result.put("collectionName", collectionName);
result.put("indexName", collection.getIndexingDirectory());
result.put("numOfField", collection.getFields().size());
result.put("termCount", fieldTermCount);
result.put("topRanking", topRankingTerms);
result.put("fieldName", fieldName);
return true;
}
