@Override
public void run(String... arg0) throws Exception {
dictionary.set("java", "object oriented");
/*dictionary.set("linux", "rulez");
dictionary.set("mac", "beutifull");
dictionary.set("solaris", "old but gold");
dictionary.set("red hat", "new and fit");
dictionary.set("debian", "just old");*/
Writer writer = new Writer(dictionary, "Mr. Writer");
Reader reader1 = new Reader(dictionary, "Mrs Reader 1");
Reader reader2 = new Reader(dictionary, "Mrs Reader 2");
Reader reader3 = new Reader(dictionary, "Mrs Reader 3");
Reader reader4 = new Reader(dictionary, "Mrs Reader 4");
Reader reader5 = new Reader(dictionary, "Mrs Reader 5");
log.info("Inciando thread de writer");
writer.setPriority(Thread.MAX_PRIORITY);
writer.start();
log.info("Inciando thread de reader Mrs Reader 1");
reader1.start();
log.info("Inciando thread de reader Mrs Reader 2");
reader2.start();
log.info("Inciando thread de reader Mrs Reader 3");
reader3.start();
log.info("Inciando thread de reader Mrs Reader 4");
reader4.start();
log.info("Inciando thread de reader Mrs Reader 5");
reader5.start();
}
public void testMultiThreaded() throws InterruptedException {
int NUM_THREADS = 20;
Writer[] w = new Writer[NUM_THREADS];
CountDownLatch startLatch = new CountDownLatch(1);
for (int i = 0; i < NUM_THREADS; i++) w[i] = new Writer(i, startLatch);
for (Writer writer : w) writer.start();
startLatch.countDown();
Thread.sleep(250);
// now stop writers
for (Writer writer : w) writer.running = false;
for (Writer writer : w) writer.join();
// wait for the cache size to drop to CACHE_SIZE, up to a specified amount of time.
long giveUpTime = System.currentTimeMillis() + (1000 * 10); // 10 sec
while (cache.getAdvancedCache().getDataContainer().size() > 1
&& System.currentTimeMillis() < giveUpTime) {
// System.out.println("Cache size is " + cache.size() + " and time diff is " + (giveUpTime -
// System.currentTimeMillis()));
Thread.sleep(100);
}
assert cache.getAdvancedCache().getDataContainer().size() <= CACHE_SIZE
: "Expected 1, was "
+ cache.size(); // this is what we expect the cache to be pruned to
}
public void _testPut() throws Exception {
// put any stuff
List<NodeData> nodes = prepare();
Set<Writer> writers = new HashSet<Writer>();
try {
// create readers
for (int t = 1; t <= 100; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Writer r = new Writer(ns, "writer #" + t, 50);
writers.add(r);
r.start();
}
Thread.sleep(5 * 60 * 1000);
} finally {
// join
for (Writer w : writers) {
w.cancel();
w.join();
}
// debug result
for (Writer w : writers) {
log.info(w.getName() + " " + (w.itemsProcessed));
}
}
}
private void testReadWrite(Random rng, Writer wr) throws InterruptedException {
ArrayBlockingQueue<byte[]> q = newQueue();
InputStream is = create(q);
wr.init(q);
wr.start();
Reader rd = new Reader(rng, is);
rd.run();
wr.join();
Assert.assertNull(wr.exn);
Assert.assertNull(rd.exn);
System.out.printf("sums %x -> %x\n", wr.getSum(), rd.getSum());
Assert.assertEquals(wr.getSum(), rd.getSum());
}
public void _testGetPutRemove() throws Exception {
List<NodeData> nodes = prepare();
Set<Reader> readers = new HashSet<Reader>();
Set<Writer> writers = new HashSet<Writer>();
Set<Remover> removers = new HashSet<Remover>();
long start = System.currentTimeMillis();
try {
// create readers
for (int t = 1; t <= 100; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Reader r = new Reader(ns, "reader #" + t);
readers.add(r);
r.start();
}
// create writers
for (int t = 1; t <= 5; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Writer w = new Writer(ns, "writer #" + t, 1000);
writers.add(w);
w.start();
}
// create removers
for (int t = 1; t <= 5; t++) {
NodeData[] ns = new NodeData[nodes.size()];
nodes.toArray(ns);
Remover r = new Remover(ns, "remover #" + t, 1000);
removers.add(r);
r.start();
}
log.info("Wait....");
// Thread.sleep(50400 * 1000); // 50400sec = 14h
Thread.sleep(20 * 1000); // 20sec.
log.info("Stopping");
} finally {
// join
for (Remover r : removers) {
r.cancel();
r.join();
}
for (Writer w : writers) {
w.cancel();
w.join();
}
for (Reader r : readers) {
r.cancel();
r.join();
}
// debug result
long stop = System.currentTimeMillis() - start;
long totalRead = 0;
for (Reader r : readers) {
totalRead += r.itemsProcessed;
// log.info(r.getName() + " " + (r.itemsProcessed));
}
for (Writer w : writers) {
totalRead += w.itemsProcessed;
// log.info(w.getName() + " " + (w.itemsProcessed));
}
for (Remover r : removers) {
totalRead += r.itemsProcessed;
// log.info(r.getName() + " " + (r.itemsProcessed));
}
double speed = totalRead * 1d / stop;
log.info(
"Total accessed "
+ totalRead
+ ", speed "
+ speed
+ " oper/sec., time "
+ (stop / 1000d)
+ "sec");
}
}
