/**
* @param it Iterator.
* @param bound Value bound.
* @throws Exception If failed.
*/
private void testIteratorSerialization(Iterator<?> it, int bound) throws Exception {
ByteArrayOutputStream byteOut = new ByteArrayOutputStream();
try (ObjectOutputStream out = new ObjectOutputStream(byteOut)) {
out.writeObject(it);
}
byte[] bytes = byteOut.toByteArray();
ObjectInputStream in = new ObjectInputStream(new ByteArrayInputStream(bytes));
Iterator<?> it0 = (Iterator<?>) in.readObject();
int cnt = 0;
while (it0.hasNext()) {
Object obj = it0.next();
if (obj instanceof GridCacheEntry) checkEntry((GridCacheEntry<String, Integer>) obj, bound);
else if (obj instanceof String) checkKey((String) obj);
else if (obj instanceof Integer) checkValue((Integer) obj, bound);
else assert false : "Wrong type.";
cnt++;
}
assert cnt == bound;
}
/** {@inheritDoc} */
@Override
public void loadCache(GridBiInClosure<K, V> c, @Nullable Object... args) throws GridException {
ExecutorService exec =
new ThreadPoolExecutor(
threadsCnt,
threadsCnt,
0L,
MILLISECONDS,
new ArrayBlockingQueue<Runnable>(batchQueueSize),
new BlockingRejectedExecutionHandler());
Iterator<I> iter = inputIterator(args);
Collection<I> buf = new ArrayList<>(batchSize);
try {
while (iter.hasNext()) {
if (Thread.currentThread().isInterrupted()) {
U.warn(log, "Working thread was interrupted while loading data.");
break;
}
buf.add(iter.next());
if (buf.size() == batchSize) {
exec.submit(new Worker(c, buf, args));
buf = new ArrayList<>(batchSize);
}
}
if (!buf.isEmpty()) exec.submit(new Worker(c, buf, args));
} catch (RejectedExecutionException ignored) {
// Because of custom RejectedExecutionHandler.
assert false : "RejectedExecutionException was thrown while it shouldn't.";
} finally {
exec.shutdown();
try {
exec.awaitTermination(Long.MAX_VALUE, MILLISECONDS);
} catch (InterruptedException ignored) {
U.warn(log, "Working thread was interrupted while waiting for put operations to complete.");
Thread.currentThread().interrupt();
}
}
}
/** {@inheritDoc} */
@Override
public Class<?> deployClass() {
if (cls == null) {
Class<?> cls0 = null;
if (depCls != null) cls0 = depCls;
else {
for (Iterator<Object> it = objs.iterator();
(cls0 == null || U.isJdk(cls0)) && it.hasNext(); ) {
Object o = it.next();
if (o != null) cls0 = U.detectClass(o);
}
if (cls0 == null || U.isJdk(cls0)) cls0 = GridDataLoaderImpl.class;
}
assert cls0 != null : "Failed to detect deploy class [objs=" + objs + ']';
cls = cls0;
}
return cls;
}
