@Test(timeout = 15000)
@Ignore("Having intermitent failures... :(")
public void testSlidingTimeWindows() {
String str =
"package org.drools\n"
+ "declare StockTick @role(event) end\n"
+ "rule R\n"
+ " duration(1s)"
+ "when\n"
+ " accumulate( $st : StockTick() over window:time(2s)\n"
+ " from entry-point X,\n"
+ " $c : count(1) )"
+ "then\n"
+ " //System.out.println( $c );\n"
+ "end";
KieBaseConfiguration kbconf = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kbconf.setOption(EventProcessingOption.STREAM);
KnowledgeBase kbase = loadKnowledgeBaseFromString(kbconf, str);
final StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
final SessionEntryPoint ep = ksession.getEntryPoint("X");
Executor executor =
Executors.newCachedThreadPool(
new ThreadFactory() {
public Thread newThread(Runnable r) {
Thread t = new Thread(r);
t.setDaemon(true);
return t;
}
});
final int RUN_TIME = 10000; // runs for 10 seconds
final int THREAD_NR = 2;
CompletionService<Boolean> ecs = new ExecutorCompletionService<Boolean>(executor);
ecs.submit(
new Callable<Boolean>() {
public Boolean call() throws Exception {
try {
ksession.fireUntilHalt();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
});
for (int i = 0; i < THREAD_NR; i++) {
ecs.submit(
new Callable<Boolean>() {
public Boolean call() throws Exception {
try {
long endTS = System.currentTimeMillis() + RUN_TIME;
while (System.currentTimeMillis() < endTS) {
ep.insert(new StockTick());
Thread.sleep(1);
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
});
}
boolean success = true;
for (int i = 0; i < THREAD_NR; i++) {
try {
success = ecs.take().get() && success;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
ksession.halt();
try {
success = ecs.take().get() && success;
} catch (Exception e) {
throw new RuntimeException(e);
}
assertTrue(success);
ksession.dispose();
}
