public static byte[] getKeyForServer(HotRodServer primaryOwner, String cacheName) {
GenericJBossMarshaller marshaller = new GenericJBossMarshaller();
Cache<?, ?> cache =
cacheName != null
? primaryOwner.getCacheManager().getCache(cacheName)
: primaryOwner.getCacheManager().getCache();
Random r = new Random();
byte[] dummy = new byte[8];
int attemptsLeft = 1000;
try {
do {
r.nextBytes(dummy);
attemptsLeft--;
} while (!isFirstOwner(cache, marshaller.objectToByteBuffer(dummy)) && attemptsLeft >= 0);
} catch (IOException e) {
throw new AssertionError(e);
} catch (InterruptedException e) {
throw new AssertionError(e);
}
if (attemptsLeft < 0)
throw new IllegalStateException("Could not find any key owned by " + primaryOwner);
log.infof(
"Binary key %s hashes to [cluster=%s,hotrod=%s]",
Util.printArray(dummy, false),
primaryOwner.getCacheManager().getAddress(),
primaryOwner.getAddress());
return dummy;
}
public void testHotRodEncoding() throws Exception {
Cache<byte[], byte[]> cache = cacheManager.getCache();
RemoteCache<String, String> remoteCache = remoteCacheManager.getCache();
remoteCache.put("k1", "v1");
GenericJBossMarshaller marshaller = new GenericJBossMarshaller();
byte[] k1 = marshaller.objectToByteBuffer("k1");
assertTrue(cache.containsKey(k1));
String sessionId = interpreter.createSessionId(BasicCacheContainer.DEFAULT_CACHE_NAME);
interpreter.execute(sessionId, "encoding hotrod;");
Map<String, String> response = interpreter.execute(sessionId, "get k1;");
assertEquals("v1", response.get(ResultKeys.OUTPUT.toString()));
assertInterpreter(interpreter.execute(sessionId, "put k2 v2;"));
String v2 = remoteCache.get("k2");
assertEquals("v2", v2);
}