Examples with Node com.nokia.dempsy.Dempsy.Application.Cluster.Node used on opensource projects

Example 1 with Node

use of com.nokia.dempsy.Dempsy.Application.Cluster.Node in project Dempsy by Dempsy.

the class TestDempsy method runMpKeyStoreTest.

public void runMpKeyStoreTest(final String methodName, final boolean disruptSession) throws Throwable {
    Checker checker = new Checker() {

        @Override
        public void check(ApplicationContext context) throws Throwable {
            // start things and verify that the init method was called
            Dempsy dempsy = (Dempsy) context.getBean("dempsy");
            TestMp mp = (TestMp) getMp(dempsy, "test-app", "test-cluster1");
            // verify we haven't called it again, not that there's really
            // a way to given the code
            assertEquals(1, mp.startCalls.get());
            // wait for clone calls to reach at least 2
            assertTrue(poll(baseTimeoutMillis, mp, new Condition<TestMp>() {

                @Override
                public boolean conditionMet(TestMp mp) {
                    return mp.cloneCalls.get() == 2;
                }
            }));
            final TestAdaptor adaptor = (TestAdaptor) context.getBean("adaptor");
            // if the session has been disrupted then this may take some time to work again.
            // wait until it works again.
            assertTrue(poll(baseTimeoutMillis, mp, new Condition<TestMp>() {

                @Override
                public boolean conditionMet(TestMp mp) throws Throwable {
                    // this causes the container to clone the Mp
                    adaptor.pushMessage(new TestMessage("output"));
                    // wait for it to be received.
                    Thread.sleep(100);
                    // this will not go past 3 as long as the same TestMessage is sent.
                    return mp.cloneCalls.get() == 3;
                }
            }));
            // this WONT causes the container to clone the Mp because test1 was already pre-instantiated.
            adaptor.pushMessage(new TestMessage("test1"));
            // give it a little time.
            Thread.sleep(100);
            // wait for it to be received.
            assertTrue(poll(baseTimeoutMillis, mp, new Condition<TestMp>() {

                @Override
                public boolean conditionMet(TestMp mp) {
                    return mp.cloneCalls.get() == 3;
                }
            }));
            List<Node> nodes = dempsy.getCluster(new ClusterId("test-app", "test-cluster1")).getNodes();
            Assert.assertNotNull(nodes);
            Assert.assertTrue(nodes.size() > 0);
            Node node = nodes.get(0);
            Assert.assertNotNull(node);
            double duration = ((MetricGetters) node.getStatsCollector()).getPreInstantiationDuration();
            Assert.assertTrue(duration > 0.0);
        }

        public String toString() {
            return methodName;
        }

        @Override
        public void setup() {
            KeySourceImpl.disruptSession = disruptSession;
        }
    };
    runAllCombinations("SinglestageWithKeyStoreApplicationActx.xml", checker);
    runAllCombinations("SinglestageWithKeyStoreAndExecutorApplicationActx.xml", checker);
}

Example 2 with Node

use of com.nokia.dempsy.Dempsy.Application.Cluster.Node in project Dempsy by Dempsy.

the class TestDempsy method testOverlappingKeyStoreCalls.

@Test
public void testOverlappingKeyStoreCalls() throws Throwable {
    Checker checker = new Checker() {

        @Override
        public void check(ApplicationContext context) throws Throwable {
            // wait until the KeySourceImpl has been created
            assertTrue(poll(baseTimeoutMillis, null, new Condition<Object>() {

                @Override
                public boolean conditionMet(Object mp) {
                    return KeySourceImpl.lastCreated != null;
                }
            }));
            final KeySourceImpl.KSIterable firstCreated = KeySourceImpl.lastCreated;
            // start things and verify that the init method was called
            Dempsy dempsy = (Dempsy) context.getBean("dempsy");
            TestMp mp = (TestMp) getMp(dempsy, "test-app", "test-cluster1");
            Dempsy.Application.Cluster c = dempsy.getCluster(new ClusterId("test-app", "test-cluster1"));
            assertNotNull(c);
            Dempsy.Application.Cluster.Node node = c.getNodes().get(0);
            assertNotNull(node);
            MpContainer container = node.getMpContainer();
            // let it go and wait until there's a few keys.
            firstCreated.m_pause.countDown();
            // as the KeySource iterates, this will increase
            assertTrue(poll(baseTimeoutMillis, mp, new Condition<TestMp>() {

                @Override
                public boolean conditionMet(TestMp mp) {
                    return mp.cloneCalls.get() > 10000;
                }
            }));
            // prepare the next countdown latch
            // just let the 2nd one go
            KeySourceImpl.pause = new CountDownLatch(0);
            // I want the next one to stop at 2
            KeySourceImpl.infinite = false;
            // Now force another call while the first is running
            container.keyspaceResponsibilityChanged(node.strategyInbound, false, true);
            // wait until the second one is created
            assertTrue(poll(baseTimeoutMillis, null, new Condition<Object>() {

                @Override
                public boolean conditionMet(Object mp) {
                    return KeySourceImpl.lastCreated != null && firstCreated != KeySourceImpl.lastCreated;
                }
            }));
            // now the first one should be done and therefore no longer incrementing.
            String lastKeyOfFirstCreated = firstCreated.lastKey;
            // and the second one should be done also and stopped at 2.
            final KeySourceImpl.KSIterable secondCreated = KeySourceImpl.lastCreated;
            assertTrue(firstCreated != secondCreated);
            assertTrue(poll(baseTimeoutMillis, null, new Condition<Object>() {

                @Override
                public boolean conditionMet(Object mp) {
                    return "test2".equals(secondCreated.lastKey);
                }
            }));
            Thread.sleep(50);
            // make sure the first one isn't still moving on
            assertEquals(lastKeyOfFirstCreated, firstCreated.lastKey);
            assertEquals("test2", secondCreated.lastKey);
            // prepare for the next run
            KeySourceImpl.pause = new CountDownLatch(1);
            KeySourceImpl.infinite = true;
            KeySourceImpl.lastCreated = null;
        }

        public String toString() {
            return "testOverlappingKeyStoreCalls";
        }

        public void setup() {
            KeySourceImpl.pause = new CountDownLatch(1);
            KeySourceImpl.infinite = true;
            KeySourceImpl.lastCreated = null;
        }
    };
    runAllCombinations("SinglestageWithKeyStoreApplicationActx.xml", checker);
    runAllCombinations("SinglestageWithKeyStoreAndExecutorApplicationActx.xml", checker);
}

Example 3 with Node

use of com.nokia.dempsy.Dempsy.Application.Cluster.Node in project Dempsy by Dempsy.

the class TestDempsy method getMp.

private static Object getMp(Dempsy dempsy, String appName, String clusterName) {
    Dempsy.Application.Cluster cluster = dempsy.getCluster(new ClusterId(appName, clusterName));
    // currently there is one node per cluster.
    Dempsy.Application.Cluster.Node node = cluster.getNodes().get(0);
    return node.clusterDefinition.getMessageProcessorPrototype();
}

Example 4 with Node

use of com.nokia.dempsy.Dempsy.Application.Cluster.Node in project Dempsy by Dempsy.

the class TestDempsy method getAdaptor.

private static Adaptor getAdaptor(Dempsy dempsy, String appName, String clusterName) {
    Dempsy.Application.Cluster cluster = dempsy.getCluster(new ClusterId(appName, clusterName));
    // currently there is one node per cluster.
    Dempsy.Application.Cluster.Node node = cluster.getNodes().get(0);
    return node.clusterDefinition.getAdaptor();
}