use of com.thinkaurelius.titan.util.datastructures.IntHashSet in project titan by thinkaurelius.
the class IDPoolTest method testIDPoolWith.
private void testIDPoolWith(IDPoolFactory poolFactory, final int numPartitions, final int numThreads, final int attemptsPerThread) throws InterruptedException {
final Random random = new Random();
final IntSet[] ids = new IntSet[numPartitions];
final StandardIDPool[] idPools = new StandardIDPool[numPartitions];
for (int i = 0; i < numPartitions; i++) {
ids[i] = new IntHashSet(attemptsPerThread * numThreads / numPartitions);
int partition = i * 100;
idPools[i] = poolFactory.get(partition);
}
Thread[] threads = new Thread[numThreads];
for (int i = 0; i < numThreads; i++) {
threads[i] = new Thread(new Runnable() {
@Override
public void run() {
for (int attempt = 0; attempt < attemptsPerThread; attempt++) {
int offset = random.nextInt(numPartitions);
long id = idPools[offset].nextID();
assertTrue(id < Integer.MAX_VALUE);
IntSet idset = ids[offset];
synchronized (idset) {
assertFalse(idset.contains((int) id));
idset.add((int) id);
}
}
}
});
threads[i].start();
}
for (int i = 0; i < numThreads; i++) threads[i].join();
for (int i = 0; i < idPools.length; i++) idPools[i].close();
//Verify consecutive id assignment
for (int i = 0; i < ids.length; i++) {
IntSet set = ids[i];
int max = 0;
int[] all = set.getAll();
for (int j = 0; j < all.length; j++) if (all[j] > max)
max = all[j];
for (int j = 1; j <= max; j++) assertTrue(i + " contains: " + j, set.contains(j));
}
}
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