@Override
public void clear() throws StorageException {
final StubIndexImpl stubIndex = StubIndexImpl.getInstanceOrInvalidate();
final Collection<StubIndexKey> allStubIndexKeys =
stubIndex != null
? stubIndex.getAllStubIndexKeys()
: Collections.<StubIndexKey>emptyList();
try {
for (StubIndexKey key : allStubIndexKeys) {
//noinspection ConstantConditions
stubIndex.getWriteLock(key).lock();
}
getWriteLock().lock();
if (stubIndex != null) {
stubIndex.clearAllIndices();
}
super.clear();
} finally {
getWriteLock().unlock();
for (StubIndexKey key : allStubIndexKeys) {
//noinspection ConstantConditions
stubIndex.getWriteLock(key).unlock();
}
}
}
private void dropUnregisteredIndices() {
final Set<String> indicesToDrop =
new HashSet<String>(
myPreviouslyRegistered != null
? myPreviouslyRegistered.registeredIndices
: Collections.<String>emptyList());
for (ID<?, ?> key : myIndices.keySet()) {
indicesToDrop.remove(key.toString());
}
for (String s : indicesToDrop) {
FileUtil.delete(IndexInfrastructure.getIndexRootDir(ID.create(s)));
}
}
@Override
public <K> Collection<K> getAllKeys(final StubIndexKey<K, ?> indexKey, @NotNull Project project) {
FileBasedIndex.getInstance()
.ensureUpToDate(StubUpdatingIndex.INDEX_ID, project, GlobalSearchScope.allScope(project));
final MyIndex<K> index = (MyIndex<K>) myIndices.get(indexKey);
try {
return index.getAllKeys();
} catch (StorageException e) {
forceRebuild(e);
} catch (RuntimeException e) {
final Throwable cause = e.getCause();
if (cause instanceof IOException || cause instanceof StorageException) {
forceRebuild(e);
}
throw e;
}
return Collections.emptyList();
}