@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;
}
/** @see LuceneIndexReader#hasNorms(String) */
public boolean hasNorms(String field) throws IOException {
return indexReader.hasNorms(field);
}