@PreDestroy
private void exit() {
timer.cancel();
try {
logger.debug("Closing IndexWriter for directory lockid " + directory.getLockID());
iwriter.commit();
iwriter.close();
iwriter = null;
logger.debug("IndexWriter closed for directory lockid " + directory.getLockID());
searcherManager.close();
logger.debug("SearcherManager closed for directory lockid " + directory.getLockID());
directory.close();
directory = null;
logger.info("Directory closed");
} catch (Exception e) {
StringWriter errors = new StringWriter();
e.printStackTrace(new PrintWriter(errors));
logger.fatal(errors.toString());
}
}
@PostConstruct
private void init() {
luceneDirectory = propertyHandler.getLuceneDirectory();
active = luceneDirectory != null;
if (active) {
luceneRefreshSeconds = propertyHandler.getLuceneRefreshSeconds() * 1000L;
luceneCommitCount = propertyHandler.getLuceneCommitCount();
ei = EntityInfoHandler.getInstance();
try {
directory = FSDirectory.open(new File(luceneDirectory));
logger.debug("Opened FSDirectory with lockid " + directory.getLockID());
Analyzer analyzer = new IcatAnalyzer(Version.LUCENE_43);
IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_43, analyzer);
iwriter = new IndexWriter(directory, config);
String[] files = directory.listAll();
if (files.length == 1 && files[0].equals("write.lock")) {
logger.debug("Directory only has the write.lock file so commit and reopen");
iwriter.commit();
iwriter.close();
iwriter = new IndexWriter(directory, config);
}
searcherManager = new SearcherManager(directory, new SearcherFactory());
isearcher = searcherManager.acquire();
logger.debug("Got a new IndexSearcher " + isearcher);
parser = new StandardQueryParser();
StandardQueryConfigHandler qpConf =
(StandardQueryConfigHandler) parser.getQueryConfigHandler();
qpConf.set(ConfigurationKeys.ANALYZER, analyzer);
qpConf.set(ConfigurationKeys.ALLOW_LEADING_WILDCARD, true);
} catch (Exception e) {
StringWriter errors = new StringWriter();
e.printStackTrace(new PrintWriter(errors));
logger.fatal(errors.toString());
if (directory != null) {
try {
String lockId = directory.getLockID();
directory.clearLock(lockId);
logger.warn("Cleared lock " + lockId);
} catch (IOException e1) {
// Ignore
}
}
throw new IllegalStateException(errors.toString());
}
timer = new Timer("Lucene");
timer.schedule(
new TimerTask() {
@Override
public void run() {
try {
commit();
} catch (IcatException e) {
logger.error(e.getMessage());
} catch (Throwable t) {
logger.error(t.getMessage());
}
}
},
luceneRefreshSeconds,
luceneRefreshSeconds);
logger.debug("Created LuceneSingleton");
}
}