@Override
public void entryUpdated(EntryEvent<K, V> entry) {
K k = entry.getKey();
ChoosableSet<V> entries = cache.get(k);
if (entries != null) {
entries.add(entry.getValue());
}
}
private void removeEntry(K k, V v) {
ChoosableSet<V> entries = cache.get(k);
if (entries != null) {
entries.remove(v);
if (entries.isEmpty()) {
cache.remove(k);
}
}
}
private void addEntry(K k, V v) {
ChoosableSet<V> entries = cache.get(k);
if (entries == null) {
entries = new ChoosableSet<>(1);
ChoosableSet<V> prev = cache.putIfAbsent(k, entries);
if (prev != null) {
entries = prev;
}
}
entries.add(v);
}
@Override
public void get(final K k, final Handler<AsyncResult<ChoosableIterable<V>>> resultHandler) {
ChoosableSet<V> entries = cache.get(k);
Future<ChoosableIterable<V>> result = Future.future();
if (entries != null && entries.isInitialised()) {
result.setResult(entries).setHandler(resultHandler);
} else {
vertx.executeBlocking(
() -> map.get(k),
(AsyncResult<Collection<V>> res2) -> {
Future<ChoosableIterable<V>> sresult = Future.future();
if (res2.succeeded()) {
Collection<V> entries2 = res2.result();
ChoosableSet<V> sids;
if (entries2 != null) {
sids = new ChoosableSet<>(entries2.size());
for (V hid : entries2) {
sids.add(hid);
}
} else {
sids = new ChoosableSet<>(0);
}
ChoosableSet<V> prev = cache.putIfAbsent(k, sids);
if (prev != null) {
// Merge them
prev.merge(sids);
sids = prev;
}
sids.setInitialised();
sresult.setResult(sids);
} else {
sresult.setFailure(result.cause());
}
sresult.setHandler(resultHandler);
});
}
}
