@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();
}
}
}
