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;
}
/**
* Get a split-personality key, whose POJO version hashes to the primary owner passed in, but it's
* binary version does not.
*/
public static Integer getSplitIntKeyForServer(
HotRodServer primaryOwner, HotRodServer binaryOwner, String cacheName) {
Cache<?, ?> cache =
cacheName != null
? primaryOwner.getCacheManager().getCache(cacheName)
: primaryOwner.getCacheManager().getCache();
Cache<?, ?> binaryOwnerCache =
cacheName != null
? binaryOwner.getCacheManager().getCache(cacheName)
: binaryOwner.getCacheManager().getCache();
Random r = new Random();
byte[] dummy;
Integer dummyInt;
int attemptsLeft = 1000;
boolean primaryOwnerFound = false;
boolean binaryOwnerFound = false;
do {
dummyInt = r.nextInt();
dummy = toBytes(dummyInt);
attemptsLeft--;
primaryOwnerFound = isFirstOwner(cache, dummyInt);
binaryOwnerFound = isFirstOwner(binaryOwnerCache, dummy);
} while (!(primaryOwnerFound && binaryOwnerFound) && attemptsLeft >= 0);
if (attemptsLeft < 0)
throw new IllegalStateException("Could not find any key owned by " + primaryOwner);
log.infof(
"Integer key [pojo=%s,bytes=%s] hashes to [cluster=%s,hotrod=%s], but the binary version's owner is [cluster=%s,hotrod=%s]",
Util.toHexString(dummy),
dummyInt,
primaryOwner.getCacheManager().getAddress(),
primaryOwner.getAddress(),
binaryOwner.getCacheManager().getAddress(),
binaryOwner.getAddress());
return dummyInt;
}
byte[] getKeyForServer(HotRodServer primaryOwner, String cacheName) {
Cache<?, ?> cache = primaryOwner.getCacheManager().getCache(cacheName);
Random r = new Random();
byte[] dummy = new byte[8];
int attemptsLeft = 1000;
do {
r.nextBytes(dummy);
} while (!isFirstOwner(cache, dummy) && attemptsLeft >= 0);
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 static Integer getIntKeyForServer(HotRodServer primaryOwner, String cacheName) {
Cache<?, ?> cache =
cacheName != null
? primaryOwner.getCacheManager().getCache(cacheName)
: primaryOwner.getCacheManager().getCache();
Random r = new Random();
byte[] dummy;
Integer dummyInt;
int attemptsLeft = 1000;
do {
dummyInt = r.nextInt();
dummy = toBytes(dummyInt);
attemptsLeft--;
} while (!isFirstOwner(cache, dummy) && attemptsLeft >= 0);
if (attemptsLeft < 0)
throw new IllegalStateException("Could not find any key owned by " + primaryOwner);
log.infof(
"Integer key %s hashes to [cluster=%s,hotrod=%s]",
dummyInt, primaryOwner.getCacheManager().getAddress(), primaryOwner.getAddress());
return dummyInt;
}
