assertFalse(tupleCache.lockBroadcastScan(cacheKey));
tupleCache.addBroadcastCache(cacheKey, tupleData);
assertTrue(tupleCache.isBroadcastCacheReady(cacheKey));
Scanner scanner = tupleCache.openCacheScanner(cacheKey, null);
assertNotNull(scanner);
int count = 0;
while (true) {