/**
* @return Collection of readers after check.
* @throws GridCacheEntryRemovedException If removed.
*/
public Collection<ReaderId> checkReaders() throws GridCacheEntryRemovedException {
synchronized (mux) {
checkObsolete();
if (!readers.isEmpty()) {
List<ReaderId> rmv = null;
for (ReaderId reader : readers) {
if (!cctx.discovery().alive(reader.nodeId())) {
if (rmv == null) rmv = new LinkedList<ReaderId>();
rmv.add(reader);
}
}
if (rmv != null) {
readers = new LinkedList<ReaderId>(readers);
for (ReaderId rdr : rmv) readers.remove(rdr);
readers = Collections.unmodifiableList(readers);
}
}
return readers;
}
}
/** {@inheritDoc} */
@Override
protected boolean hasReaders() throws GridCacheEntryRemovedException {
synchronized (mux) {
checkReaders();
return !readers.isEmpty();
}
}