Examples with KieSession org.kie.api.runtime.KieSession used on opensource projects

Example 66 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class MultithreadTest method testFireUntilHaltAndDispose.

@Test(timeout = 10000)
public void testFireUntilHaltAndDispose() throws InterruptedException {
    // DROOLS-1103
    final String drl = "rule R no-loop timer( int: 1s )\n" + "when\n" + "    String()\n" + "then\n" + "end";
    final KieHelper helper = new KieHelper();
    helper.addContent(drl, ResourceType.DRL);
    final KieBase kbase = helper.build(EventProcessingOption.STREAM);
    final KieSessionConfiguration ksconf = KieServices.Factory.get().newKieSessionConfiguration();
    ksconf.setOption(TimedRuleExecutionOption.YES);
    final KieSession ksession = kbase.newKieSession(ksconf, null);
    new Thread() {

        @Override
        public void run() {
            ksession.fireUntilHalt();
        }
    }.start();
    try {
        Thread.sleep(100);
    } catch (final InterruptedException e) {
    // do nothing
    }
    ksession.insert("xxx");
    try {
        Thread.sleep(100);
    } catch (final InterruptedException e) {
    // do nothing
    }
    ksession.dispose();
}

Example 67 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class MultithreadTest method testConcurrentDelete.

@Test(timeout = 20000)
public void testConcurrentDelete() {
    final String drl = "import " + SlowBean.class.getCanonicalName() + ";\n" + "rule R when\n" + "  $sb1: SlowBean() \n" + "  $sb2: SlowBean( id > $sb1.id ) \n" + "then " + "  System.out.println($sb2 + \" > \"+ $sb1);" + "end\n";
    final KieSession ksession = new KieHelper().addContent(drl, ResourceType.DRL).build().newKieSession();
    final int BEAN_NR = 4;
    for (int step = 0; step < 2; step++) {
        final FactHandle[] fhs = new FactHandle[BEAN_NR];
        for (int i = 0; i < BEAN_NR; i++) {
            fhs[i] = ksession.insert(new SlowBean(i + step * BEAN_NR));
        }
        final CyclicBarrier barrier = new CyclicBarrier(2);
        new Thread(new Runnable() {

            @Override
            public void run() {
                ksession.fireAllRules();
                try {
                    barrier.await();
                } catch (final Exception e) {
                    throw new RuntimeException(e);
                }
            }
        }).start();
        try {
            Thread.sleep(15L);
        } catch (final InterruptedException e) {
            throw new RuntimeException(e);
        }
        for (int i = 0; i < BEAN_NR; i++) {
            if (i % 2 == 1) {
                ksession.delete(fhs[i]);
            }
        }
        try {
            barrier.await();
        } catch (final Exception e) {
            throw new RuntimeException(e);
        }
        System.out.println("Done step " + step);
    }
}

Example 68 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class SharedSessionParallelTest method testCheckOneThreadOnly.

@Test(timeout = 20000)
public void testCheckOneThreadOnly() throws InterruptedException {
    final int threadCount = 100;
    final List<String> list = Collections.synchronizedList(new ArrayList<>());
    final String drl = "import " + BeanA.class.getCanonicalName() + ";\n" + "global java.util.List list;\n" + "rule R1 " + "when " + "    BeanA($n : seed) " + "then " + "    list.add(\"\" + $n);" + "end";
    final KieSession kieSession = getKieBase(drl).newKieSession();
    final CountDownLatch latch = new CountDownLatch(threadCount);
    final TestExecutor exec = counter -> {
        kieSession.setGlobal("list", list);
        kieSession.insert(new BeanA(counter));
        latch.countDown();
        if (counter == 0) {
            try {
                latch.await();
            } catch (final InterruptedException e) {
                e.printStackTrace();
                return false;
            }
            return kieSession.fireAllRules() == threadCount;
        }
        return true;
    };
    parallelTest(threadCount, exec);
    kieSession.dispose();
    Assertions.assertThat(list).hasSize(threadCount);
    for (int i = 0; i < threadCount; i++) {
        Assertions.assertThat(list).contains("" + i);
    }
}

Example 69 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class SharedSessionParallelTest method testNoExceptions.

@Test(timeout = 20000)
public void testNoExceptions() throws InterruptedException {
    final String drl = "rule R1 when String() then end";
    final int repetitions = 100;
    final int numberOfObjects = 1000;
    final int countOfThreads = 100;
    for (int i = 0; i < repetitions; i++) {
        final KieSession kieSession = getKieBase(drl).newKieSession();
        parallelTest(countOfThreads, counter -> {
            try {
                for (int j = 0; j < numberOfObjects; j++) {
                    kieSession.insert("test_" + numberOfObjects);
                }
                kieSession.fireAllRules();
                return true;
            } catch (final Exception ex) {
                throw new RuntimeException(ex);
            }
        });
        kieSession.dispose();
    }
}

Example 70 with KieSession

use of org.kie.api.runtime.KieSession in project drools by kiegroup.

the class SharedSessionParallelTest method testCountdownBean.

@Test(timeout = 20000)
public void testCountdownBean() throws InterruptedException {
    final int threadCount = 100;
    final int seed = 1000;
    final String drl = "import " + BeanA.class.getCanonicalName() + ";\n" + "global java.util.List list;\n" + "rule countdown " + "when " + "    $bean : BeanA($n : seed, seed >  0 ) " + "then " + "    modify($bean) { setSeed($n-1) };" + "    list.add(\"\" + $bean.getSeed());" + "end";
    final KieSession kieSession = getKieBase(drl).newKieSession();
    final CyclicBarrier barrier = new CyclicBarrier(threadCount);
    final List<String> list = Collections.synchronizedList(new ArrayList<>());
    final BeanA bean = new BeanA(seed);
    final TestExecutor exec = counter -> {
        try {
            if (counter == 0) {
                kieSession.setGlobal("list", list);
                kieSession.insert(bean);
            }
            barrier.await();
            kieSession.fireAllRules();
            return true;
        } catch (final Exception ex) {
            throw new RuntimeException(ex);
        }
    };
    parallelTest(threadCount, exec);
    kieSession.dispose();
    checkList(seed, list);
    Assertions.assertThat(bean).hasFieldOrPropertyWithValue("seed", 0);
}