public void testListenerCalled() throws Exception {
Directory dir = newDirectory();
IndexWriter iw = new IndexWriter(dir, new IndexWriterConfig(TEST_VERSION_CURRENT, null));
final AtomicBoolean afterRefreshCalled = new AtomicBoolean(false);
SearcherManager sm = new SearcherManager(iw, true, new SearcherFactory());
sm.addListener(
new ReferenceManager.RefreshListener() {
@Override
public void beforeRefresh() {}
@Override
public void afterRefresh(boolean didRefresh) {
if (didRefresh) {
afterRefreshCalled.set(true);
}
}
});
iw.addDocument(new Document());
iw.commit();
assertFalse(afterRefreshCalled.get());
sm.maybeRefreshBlocking();
assertTrue(afterRefreshCalled.get());
sm.close();
iw.close();
dir.close();
}
@Override
public long getCount() throws IOException {
IndexSearcher searcher = searcherMgr.acquire();
try {
return searcher.getIndexReader().numDocs();
} finally {
searcherMgr.release(searcher);
}
}
/**
* Returns the total number of deleted {@link Document}s in this index.
*
* @return The total number of deleted {@link Document}s in this index.
* @throws IOException If Lucene throws IO errors.
*/
@Override
public long getNumDeletedDocs() throws IOException {
Log.debug("%s get num deleted docs", logName);
IndexSearcher searcher = searcherManager.acquire();
try {
return searcher.getIndexReader().numDeletedDocs();
} finally {
searcherManager.release(searcher);
}
}
@Override
protected void doClose() throws Exception {
assertTrue(warmCalled);
if (VERBOSE) {
System.out.println("TEST: now close SearcherManagers");
}
nrtDeletesThread.close();
nrtDeletes.close();
nrtNoDeletesThread.close();
nrtNoDeletes.close();
}
@Override
protected IndexSearcher getCurrentSearcher() throws Exception {
// Test doesn't assert deletions until the end, so we
// can randomize whether dels must be applied
final SearcherManager nrt;
if (random().nextBoolean()) {
nrt = nrtDeletes;
} else {
nrt = nrtNoDeletes;
}
return nrt.acquire();
}
@Override
public void refresh(String source) throws EngineException {
// we obtain a read lock here, since we don't want a flush to happen while we are refreshing
// since it flushes the index as well (though, in terms of concurrency, we are allowed to do it)
try (ReleasableLock lock = readLock.acquire()) {
ensureOpen();
searcherManager.maybeRefreshBlocking();
} catch (AlreadyClosedException e) {
ensureOpen();
maybeFailEngine("refresh", e);
} catch (EngineClosedException e) {
throw e;
} catch (Throwable t) {
failEngine("refresh failed", t);
throw new RefreshFailedEngineException(shardId, t);
}
// TODO: maybe we should just put a scheduled job in threadPool?
// We check for pruning in each delete request, but we also prune here e.g. in case a delete
// burst comes in and then no more deletes
// for a long time:
maybePruneDeletedTombstones();
versionMapRefreshPending.set(false);
mergeScheduler.refreshConfig();
}
@Override
public void reopen() throws IOException {
this.writer.forceMerge(1); // optimize();
this.writer.commit();
nrt_manager.maybeRefresh();
}
@Override
public int size() throws IOException {
IndexSearcher searcher = null;
try {
searcher = nrt_manager.acquire();
return searcher.getIndexReader().numDocs();
} finally {
try {
if (searcher != null) {
nrt_manager.release(searcher);
}
} catch (IOException e) {
logger.error("", e);
}
}
}
@Override
protected void releaseSearcher(IndexSearcher s) throws Exception {
// NOTE: a bit iffy... technically you should release
// against the same SearcherManager you acquired from... but
// both impls just decRef the underlying reader so we
// can get away w/ cheating:
nrtNoDeletes.release(s);
}
@Override
protected IndexSearcher getFinalSearcher() throws Exception {
if (VERBOSE) {
System.out.println("TEST: finalSearcher maxGen=" + maxGen);
}
nrtDeletesThread.waitForGeneration(maxGen);
return nrtDeletes.acquire();
}
public LuceneSearchResult search(String queryString, int count, String entityName)
throws IcatException {
if (entityName != null) {
try {
Class<?> klass = Class.forName(Constants.ENTITY_PREFIX + entityName);
System.out.println(klass);
if (!EntityBaseBean.class.isAssignableFrom(klass)) {
throw new IcatException(
IcatExceptionType.BAD_PARAMETER, "Invalid entity name " + entityName);
}
} catch (ClassNotFoundException e) {
throw new IcatException(
IcatExceptionType.BAD_PARAMETER, "Invalid entity name " + entityName);
}
}
try {
if (!searcherManager.isSearcherCurrent()) {
IndexSearcher oldSearcher = isearcher;
searcherManager.maybeRefreshBlocking();
isearcher = searcherManager.acquire();
searcherManager.release(oldSearcher);
logger.debug("Got a new IndexSearcher " + isearcher);
}
List<String> results = new ArrayList<String>();
Query query = parser.parse(queryString, "all");
if (entityName != null) {
BooleanQuery bquery = new BooleanQuery();
bquery.add(query, Occur.MUST);
bquery.add(new TermQuery(new Term("entity", entityName)), Occur.MUST);
query = bquery;
}
ScoreDoc[] hits = isearcher.search(query, count).scoreDocs;
for (int i = 0; i < hits.length; i++) {
Document doc = isearcher.doc(hits[i].doc);
results.add(doc.get("id"));
}
ScoreDoc lastDoc = results.isEmpty() ? null : hits[hits.length - 1];
return new LuceneSearchResult(results, lastDoc, query);
} catch (Exception e) {
throw new IcatException(IcatExceptionType.INTERNAL, e.getMessage());
}
}
public void release(LuceneConnection inConnection) {
try {
if (inConnection.getSearcherAndTaxonomy() == null) {
fieldSearcherManager.release(inConnection.getIndexSearcher());
} else {
fieldSearcherTaxonomyManager.release(inConnection.getSearcherAndTaxonomy());
}
} catch (IOException ex) {
throw new OpenEditException(ex);
}
}
public void maybeRefresh() {
try {
if (fieldSearcherManager != null) {
fieldSearcherManager.maybeRefresh();
} else {
fieldSearcherTaxonomyManager.maybeRefresh();
}
} catch (IOException ex) {
throw new OpenEditException(ex);
}
}
@Override
protected void deleteDocuments(Term id) throws Exception {
final long gen = genWriter.deleteDocuments(id);
// randomly verify the delete "took":
if (random().nextInt(20) == 7) {
if (VERBOSE) {
System.out.println(Thread.currentThread().getName() + ": nrt: verify del " + id);
}
nrtDeletesThread.waitForGeneration(gen);
final IndexSearcher s = nrtDeletes.acquire();
if (VERBOSE) {
System.out.println(Thread.currentThread().getName() + ": nrt: got searcher=" + s);
}
try {
assertEquals(0, s.search(new TermQuery(id), 10).totalHits);
} finally {
nrtDeletes.release(s);
}
}
lastGens.set(gen);
}
/**
* Commits all changes to the index, waits for pending merges to complete, and closes all
* associated resources.
*
* @throws IOException If Lucene throws IO errors.
*/
public void close() throws IOException {
searcherReopener.interrupt();
searcherManager.close();
indexWriter.close();
directory.close();
try {
ManagementFactory.getPlatformMBeanServer().unregisterMBean(objectName);
} catch (MBeanException | OperationsException e) {
Log.error(e, "Error while removing MBean");
}
Log.info("%s closed", logName);
}
@Override
public void close() throws IOException {
if (searcherMgr != null) {
searcherMgr.close();
searcherMgr = null;
}
if (writer != null) {
writer.close();
dir.close();
writer = null;
}
}
@Override
protected void addDocument(Term id, Iterable<? extends IndexableField> doc) throws Exception {
final long gen = genWriter.addDocument(doc);
// Randomly verify the add "took":
if (random().nextInt(20) == 2) {
if (VERBOSE) {
System.out.println(Thread.currentThread().getName() + ": nrt: verify " + id);
}
nrtNoDeletesThread.waitForGeneration(gen);
final IndexSearcher s = nrtNoDeletes.acquire();
if (VERBOSE) {
System.out.println(Thread.currentThread().getName() + ": nrt: got searcher=" + s);
}
try {
assertEquals(1, s.search(new TermQuery(id), 10).totalHits);
} finally {
nrtNoDeletes.release(s);
}
}
lastGens.set(gen);
}
@Override
public long sizeInBytes() {
long mem = RamUsageEstimator.shallowSizeOf(this);
try {
if (searcherMgr != null) {
IndexSearcher searcher = searcherMgr.acquire();
try {
for (AtomicReaderContext context : searcher.getIndexReader().leaves()) {
AtomicReader reader = FilterAtomicReader.unwrap(context.reader());
if (reader instanceof SegmentReader) {
mem += ((SegmentReader) context.reader()).ramBytesUsed();
}
}
} finally {
searcherMgr.release(searcher);
}
}
return mem;
} catch (IOException ioe) {
throw new RuntimeException(ioe);
}
}
public LuceneConnection acquire() {
try {
LuceneConnection connection = new LuceneConnection();
if (fieldSearcherManager != null) {
IndexSearcher searcher = fieldSearcherManager.acquire();
connection.setIndexSearcher(searcher);
} else {
SearcherAndTaxonomy st = fieldSearcherTaxonomyManager.acquire();
connection.setSearcherAndTaxonomy(st);
}
return connection;
} catch (IOException ex) {
throw new OpenEditException(ex);
}
}
@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());
}
}
@Override
public void build(InputIterator iter) throws IOException {
if (searcherMgr != null) {
searcherMgr.close();
searcherMgr = null;
}
if (writer != null) {
writer.close();
writer = null;
}
AtomicReader r = null;
boolean success = false;
try {
// First pass: build a temporary normal Lucene index,
// just indexing the suggestions as they iterate:
writer =
new IndexWriter(
dir,
getIndexWriterConfig(
matchVersion, getGramAnalyzer(), IndexWriterConfig.OpenMode.CREATE));
BytesRef text;
Document doc = new Document();
FieldType ft = getTextFieldType();
Field textField = new Field(TEXT_FIELD_NAME, "", ft);
doc.add(textField);
Field textGramField = new Field("textgrams", "", ft);
doc.add(textGramField);
Field exactTextField = new StringField(EXACT_TEXT_FIELD_NAME, "", Field.Store.NO);
doc.add(exactTextField);
Field textDVField = new BinaryDocValuesField(TEXT_FIELD_NAME, new BytesRef());
doc.add(textDVField);
// TODO: use threads...?
Field weightField = new NumericDocValuesField("weight", 0L);
doc.add(weightField);
Field payloadField;
if (iter.hasPayloads()) {
payloadField = new BinaryDocValuesField("payloads", new BytesRef());
doc.add(payloadField);
} else {
payloadField = null;
}
// long t0 = System.nanoTime();
while ((text = iter.next()) != null) {
String textString = text.utf8ToString();
textField.setStringValue(textString);
exactTextField.setStringValue(textString);
textGramField.setStringValue(textString);
textDVField.setBytesValue(text);
weightField.setLongValue(iter.weight());
if (iter.hasPayloads()) {
payloadField.setBytesValue(iter.payload());
}
writer.addDocument(doc);
}
// System.out.println("initial indexing time: " + ((System.nanoTime()-t0)/1000000) + " msec");
searcherMgr = new SearcherManager(writer, true, null);
success = true;
} finally {
if (success) {
IOUtils.close(r);
} else {
IOUtils.closeWhileHandlingException(writer, r);
writer = null;
}
}
}
@Override
public SearchResult search(CrescentSearchRequestWrapper csrw) throws IOException {
SearchResult searchResult = new SearchResult();
int totalHitsCount = 0;
String errorMessage = "SUCCESS";
int errorCode = 0;
// 5page * 50
int numOfHits = csrw.getDefaultHitsPage() * csrw.getHitsForPage();
IndexSearcher indexSearcher = null;
SearcherManager searcherManager =
crescentSearcherManager.getSearcherManager(csrw.getCollectionName());
try {
indexSearcher = searcherManager.acquire();
Query query = csrw.getQuery();
Filter filter = csrw.getFilter();
Sort sort = csrw.getSort();
logger.debug("query : {}", query);
logger.debug("filter : {}", filter);
logger.debug("sort : {}", sort);
long startTime = System.currentTimeMillis();
TopDocs topDocs = null;
if (sort == null) {
topDocs = indexSearcher.search(query, filter, numOfHits);
} else {
topDocs = indexSearcher.search(query, filter, numOfHits, sort);
}
long endTime = System.currentTimeMillis();
// 전체 검색 건수
totalHitsCount = topDocs.totalHits;
LogInfo logInfo = new LogInfo();
logInfo.setCollectionName(csrw.getCollectionName());
logInfo.setElaspedTimeMil(endTime - startTime);
logInfo.setKeyword(csrw.getKeyword());
logInfo.setPageNum(csrw.getPageNum());
logInfo.setPcid(csrw.getPcId());
logInfo.setQuery(query);
logInfo.setSort(csrw.getSort());
logInfo.setTotalCount(totalHitsCount);
logInfo.setUserId(csrw.getUserId());
logInfo.setUserIp(csrw.getUserIp());
logInfo.setFilter(csrw.getFilter());
CrescentLogger.logging(logInfo);
logger.debug("Total Hits Count : {} ", totalHitsCount);
ScoreDoc[] hits = topDocs.scoreDocs;
// 총 검색건수와 실제 보여줄 document의 offset (min ~ max)를 비교해서 작은 것을 가져옴
int endOffset = Math.min(totalHitsCount, csrw.getStartOffSet() + csrw.getHitsForPage());
if (endOffset > hits.length) {
logger.debug("기본 설정된 검색건수보다 더 검색을 원하므로, 전체를 대상으로 검색합니다.");
if (sort == null) {
topDocs = indexSearcher.search(query, filter, totalHitsCount);
} else {
topDocs = indexSearcher.search(query, filter, totalHitsCount, sort);
}
hits = topDocs.scoreDocs;
}
int startOffset = csrw.getStartOffSet();
endOffset = Math.min(hits.length, startOffset + csrw.getHitsForPage());
// for(int i = startOffset; i < endOffset; i++) {
// Document doc = indexSearcher.doc(hits[i].doc);
// resultDocumentList.add(doc);
// }
logger.debug(
"start offset : [{}], end offset : [{}], total : [{}], numOfHits :[{}]",
new Object[] {csrw.getStartOffSet(), endOffset, totalHitsCount, numOfHits});
logger.debug("hits count : [{}]", hits.length);
logger.debug(
"startOffset + hitsPerPage : [{}]", csrw.getStartOffSet() + csrw.getHitsForPage());
if (totalHitsCount > 0) {
List<Map<String, String>> resultList = new ArrayList<Map<String, String>>();
Map<String, Object> result = new HashMap<String, Object>();
CrescentFastVectorHighlighter highlighter = new CrescentFastVectorHighlighter();
CrescentCollectionHandler collectionHandler =
SpringApplicationContext.getBean(
"crescentCollectionHandler", CrescentCollectionHandler.class);
CrescentCollection collection =
collectionHandler
.getCrescentCollections()
.getCrescentCollection(csrw.getCollectionName());
// int docnum = 0;
for (int i = startOffset; i < endOffset; i++) {
Map<String, String> resultMap = new HashMap<String, String>();
for (CrescentCollectionField field : collection.getFields()) {
String value = null;
if (field.isStore() && !field.isNumeric()) {
// 필드별 결과를 가져온다.
value =
highlighter.getBestFragment(
indexSearcher.getIndexReader(), hits[i].doc, query, field.getName());
}
if (value == null || value.length() == 0) {
Document doc = indexSearcher.doc(hits[i].doc);
value = doc.get(field.getName());
}
resultMap.put(field.getName(), value);
}
resultList.add(resultMap);
}
result.put("total_count", totalHitsCount);
result.put("result_list", resultList);
result.put("error_code", errorCode);
result.put("error_msg", errorMessage);
logger.debug("result list {}", resultList);
searchResult.setResultList(resultList);
searchResult.setTotalHitsCount(totalHitsCount);
searchResult.setSearchResult(result);
} else {
// 결과없음
Map<String, Object> result = new HashMap<String, Object>();
List<Map<String, String>> resultList = new ArrayList<Map<String, String>>();
result.put("total_count", totalHitsCount);
result.put("result_list", resultList);
result.put("error_code", errorCode);
result.put("error_msg", errorMessage);
logger.debug("result list {}", resultList);
searchResult.setResultList(resultList);
searchResult.setTotalHitsCount(0);
searchResult.setSearchResult(result);
}
} catch (Exception e) {
logger.error("error in CrescentDefaultDocSearcher : ", e);
Map<String, Object> result = new HashMap<String, Object>();
List<Map<String, String>> resultList = new ArrayList<Map<String, String>>();
result.put("total_count", totalHitsCount);
result.put("result_list", resultList);
result.put("error_code", errorCode);
result.put("error_msg", errorMessage);
logger.error("검색 중 에러 발생함. {}", e);
searchResult.setErrorCode(errorCode);
searchResult.setErrorMsg(errorMessage);
searchResult.setSearchResult(result);
searchResult.setResultList(resultList);
return searchResult;
} finally {
searcherManager.release(indexSearcher);
indexSearcher = null;
}
return searchResult;
}
/**
* Retrieve suggestions, specifying whether all terms must match ({@code allTermsRequired}) and
* whether the hits should be highlighted ({@code doHighlight}).
*/
public List<LookupResult> lookup(
CharSequence key, int num, boolean allTermsRequired, boolean doHighlight) throws IOException {
if (searcherMgr == null) {
throw new IllegalStateException("suggester was not built");
}
final BooleanClause.Occur occur;
if (allTermsRequired) {
occur = BooleanClause.Occur.MUST;
} else {
occur = BooleanClause.Occur.SHOULD;
}
BooleanQuery query;
Set<String> matchedTokens = new HashSet<>();
String prefixToken = null;
try (TokenStream ts = queryAnalyzer.tokenStream("", new StringReader(key.toString()))) {
// long t0 = System.currentTimeMillis();
ts.reset();
final CharTermAttribute termAtt = ts.addAttribute(CharTermAttribute.class);
final OffsetAttribute offsetAtt = ts.addAttribute(OffsetAttribute.class);
String lastToken = null;
query = new BooleanQuery();
int maxEndOffset = -1;
matchedTokens = new HashSet<>();
while (ts.incrementToken()) {
if (lastToken != null) {
matchedTokens.add(lastToken);
query.add(new TermQuery(new Term(TEXT_FIELD_NAME, lastToken)), occur);
}
lastToken = termAtt.toString();
if (lastToken != null) {
maxEndOffset = Math.max(maxEndOffset, offsetAtt.endOffset());
}
}
ts.end();
if (lastToken != null) {
Query lastQuery;
if (maxEndOffset == offsetAtt.endOffset()) {
// Use PrefixQuery (or the ngram equivalent) when
// there was no trailing discarded chars in the
// string (e.g. whitespace), so that if query does
// not end with a space we show prefix matches for
// that token:
lastQuery = getLastTokenQuery(lastToken);
prefixToken = lastToken;
} else {
// Use TermQuery for an exact match if there were
// trailing discarded chars (e.g. whitespace), so
// that if query ends with a space we only show
// exact matches for that term:
matchedTokens.add(lastToken);
lastQuery = new TermQuery(new Term(TEXT_FIELD_NAME, lastToken));
}
if (lastQuery != null) {
query.add(lastQuery, occur);
}
}
}
// TODO: we could allow blended sort here, combining
// weight w/ score. Now we ignore score and sort only
// by weight:
// System.out.println("INFIX query=" + query);
Query finalQuery = finishQuery(query, allTermsRequired);
// System.out.println("finalQuery=" + query);
// Sort by weight, descending:
TopFieldCollector c = TopFieldCollector.create(SORT, num, true, false, false, false);
// We sorted postings by weight during indexing, so we
// only retrieve the first num hits now:
Collector c2 = new EarlyTerminatingSortingCollector(c, SORT, num);
IndexSearcher searcher = searcherMgr.acquire();
List<LookupResult> results = null;
try {
// System.out.println("got searcher=" + searcher);
searcher.search(finalQuery, c2);
TopFieldDocs hits = (TopFieldDocs) c.topDocs();
// Slower way if postings are not pre-sorted by weight:
// hits = searcher.search(query, null, num, SORT);
results = createResults(searcher, hits, num, key, doHighlight, matchedTokens, prefixToken);
} finally {
searcherMgr.release(searcher);
}
// System.out.println((System.currentTimeMillis() - t0) + " msec for infix suggest");
// System.out.println(results);
return results;
}
/**
* Reopens the underlying searcher; it's best to "batch up" many additions/updates, and then call
* refresh once in the end.
*/
public void refresh() throws IOException {
searcherMgr.maybeRefreshBlocking();
}
@Override
public List<AdDefinition> search(AdRequest request) throws IOException {
IndexSearcher searcher = nrt_manager.acquire();
List<AdDefinition> result = new ArrayList<AdDefinition>();
try {
// Collector für die Banner
AdCollector collector = new AdCollector(searcher.getIndexReader().numDocs());
// MainQuery
BooleanQuery mainQuery = new BooleanQuery();
// Query für den/die BannerTypen
BooleanQuery typeQuery = new BooleanQuery();
for (AdType type : request.types()) {
TermQuery tq = new TermQuery(new Term(AdDBConstants.ADDB_AD_TYPE, type.getType()));
typeQuery.add(tq, Occur.SHOULD);
}
mainQuery.add(typeQuery, Occur.MUST);
// Query für den/die BannerFormate
BooleanQuery formatQuery = new BooleanQuery();
for (AdFormat format : request.formats()) {
TermQuery tq =
new TermQuery(new Term(AdDBConstants.ADDB_AD_FORMAT, format.getCompoundName()));
formatQuery.add(tq, Occur.SHOULD);
}
mainQuery.add(formatQuery, Occur.MUST);
// Query für die Bedingungen unter denen ein Banner angezeigt werden soll
Query cq = LuceneQueryHelper.getInstance().getConditionalQuery(request, this.addb);
if (cq != null) {
mainQuery.add(cq, Occur.MUST);
}
/*
* Es sollen nur Produkte geliefert werden
*/
if (request.products()) {
// search online for products
mainQuery.add(
new TermQuery(
new Term(AdDBConstants.ADDB_AD_PRODUCT, AdDBConstants.ADDB_AD_PRODUCT_TRUE)),
Occur.MUST);
// if possible add the product name, so online ads for that product will be found
if (!Strings.isNullOrEmpty(request.product())) {
mainQuery.add(
new TermQuery(new Term(AdDBConstants.ADDB_AD_PRODUCT_NAME, request.product())),
Occur.MUST);
}
} else {
mainQuery.add(
new TermQuery(
new Term(AdDBConstants.ADDB_AD_PRODUCT, AdDBConstants.ADDB_AD_PRODUCT_FALSE)),
Occur.MUST);
}
logger.debug(mainQuery.toString());
System.out.println(mainQuery.toString());
searcher.search(mainQuery, collector);
BitSet hits = collector.getHits();
// Ergebnis
for (int i = hits.nextSetBit(0); i != -1; i = hits.nextSetBit(i + 1)) {
Document doc = searcher.doc(i);
result.add(addb.getBanner(doc.get(AdDBConstants.ADDB_AD_ID)));
}
} finally {
nrt_manager.release(searcher);
}
return result;
}
/** Refreshes the index readers. */
@Override
public void refresh() throws IOException {
Log.info("%s refreshing readers", logName);
commit();
searcherManager.maybeRefreshBlocking();
}
@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");
}
}
// Relies on wall clock time, so it can easily false-fail when the machine is otherwise busy:
@AwaitsFix(bugUrl = "https://issues.apache.org/jira/browse/LUCENE-5737")
// LUCENE-5461
public void testCRTReopen() throws Exception {
// test behaving badly
// should be high enough
int maxStaleSecs = 20;
// build crap data just to store it.
String s = " abcdefghijklmnopqrstuvwxyz ";
char[] chars = s.toCharArray();
StringBuilder builder = new StringBuilder(2048);
for (int i = 0; i < 2048; i++) {
builder.append(chars[random().nextInt(chars.length)]);
}
String content = builder.toString();
final SnapshotDeletionPolicy sdp =
new SnapshotDeletionPolicy(new KeepOnlyLastCommitDeletionPolicy());
final Directory dir = new NRTCachingDirectory(newFSDirectory(createTempDir("nrt")), 5, 128);
IndexWriterConfig config =
new IndexWriterConfig(Version.LUCENE_4_6, new MockAnalyzer(random()));
config.setIndexDeletionPolicy(sdp);
config.setOpenMode(IndexWriterConfig.OpenMode.CREATE_OR_APPEND);
final IndexWriter iw = new IndexWriter(dir, config);
SearcherManager sm = new SearcherManager(iw, true, new SearcherFactory());
final TrackingIndexWriter tiw = new TrackingIndexWriter(iw);
ControlledRealTimeReopenThread<IndexSearcher> controlledRealTimeReopenThread =
new ControlledRealTimeReopenThread<>(tiw, sm, maxStaleSecs, 0);
controlledRealTimeReopenThread.setDaemon(true);
controlledRealTimeReopenThread.start();
List<Thread> commitThreads = new ArrayList<>();
for (int i = 0; i < 500; i++) {
if (i > 0 && i % 50 == 0) {
Thread commitThread =
new Thread(
new Runnable() {
@Override
public void run() {
try {
iw.commit();
IndexCommit ic = sdp.snapshot();
for (String name : ic.getFileNames()) {
// distribute, and backup
// System.out.println(names);
assertTrue(slowFileExists(dir, name));
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
});
commitThread.start();
commitThreads.add(commitThread);
}
Document d = new Document();
d.add(new TextField("count", i + "", Field.Store.NO));
d.add(new TextField("content", content, Field.Store.YES));
long start = System.currentTimeMillis();
long l = tiw.addDocument(d);
controlledRealTimeReopenThread.waitForGeneration(l);
long wait = System.currentTimeMillis() - start;
assertTrue("waited too long for generation " + wait, wait < (maxStaleSecs * 1000));
IndexSearcher searcher = sm.acquire();
TopDocs td = searcher.search(new TermQuery(new Term("count", i + "")), 10);
sm.release(searcher);
assertEquals(1, td.totalHits);
}
for (Thread commitThread : commitThreads) {
commitThread.join();
}
controlledRealTimeReopenThread.close();
sm.close();
iw.close();
dir.close();
}
/*
* LUCENE-3528 - NRTManager hangs in certain situations
*/
public void testThreadStarvationNoDeleteNRTReader() throws IOException, InterruptedException {
IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
conf.setMergePolicy(NoMergePolicy.INSTANCE);
Directory d = newDirectory();
final CountDownLatch latch = new CountDownLatch(1);
final CountDownLatch signal = new CountDownLatch(1);
LatchedIndexWriter _writer = new LatchedIndexWriter(d, conf, latch, signal);
final TrackingIndexWriter writer = new TrackingIndexWriter(_writer);
final SearcherManager manager = new SearcherManager(_writer, false, null);
Document doc = new Document();
doc.add(newTextField("test", "test", Field.Store.YES));
writer.addDocument(doc);
manager.maybeRefresh();
Thread t =
new Thread() {
@Override
public void run() {
try {
signal.await();
manager.maybeRefresh();
writer.deleteDocuments(new TermQuery(new Term("foo", "barista")));
manager.maybeRefresh(); // kick off another reopen so we inc. the internal gen
} catch (Exception e) {
e.printStackTrace();
} finally {
latch.countDown(); // let the add below finish
}
}
};
t.start();
_writer.waitAfterUpdate = true; // wait in addDocument to let some reopens go through
final long lastGen =
writer.updateDocument(
new Term("foo", "bar"),
doc); // once this returns the doc is already reflected in the last reopen
assertFalse(manager.isSearcherCurrent()); // false since there is a delete in the queue
IndexSearcher searcher = manager.acquire();
try {
assertEquals(2, searcher.getIndexReader().numDocs());
} finally {
manager.release(searcher);
}
final ControlledRealTimeReopenThread<IndexSearcher> thread =
new ControlledRealTimeReopenThread<>(writer, manager, 0.01, 0.01);
thread.start(); // start reopening
if (VERBOSE) {
System.out.println("waiting now for generation " + lastGen);
}
final AtomicBoolean finished = new AtomicBoolean(false);
Thread waiter =
new Thread() {
@Override
public void run() {
try {
thread.waitForGeneration(lastGen);
} catch (InterruptedException ie) {
Thread.currentThread().interrupt();
throw new RuntimeException(ie);
}
finished.set(true);
}
};
waiter.start();
manager.maybeRefresh();
waiter.join(1000);
if (!finished.get()) {
waiter.interrupt();
fail("thread deadlocked on waitForGeneration");
}
thread.close();
thread.join();
IOUtils.close(manager, _writer, d);
}
