TupleCacheKey cacheKey = new TupleCacheKey(ebId.toString(), "TestTable");
TupleCache tupleCache = TupleCache.getInstance();
assertFalse(tupleCache.isBroadcastCacheReady(cacheKey));
assertTrue(tupleCache.lockBroadcastScan(cacheKey));
assertFalse(tupleCache.lockBroadcastScan(cacheKey));
tupleCache.addBroadcastCache(cacheKey, tupleData);
assertTrue(tupleCache.isBroadcastCacheReady(cacheKey));
Scanner scanner = tupleCache.openCacheScanner(cacheKey, null);