Examples with InstanceDescription org.apache.sling.discovery.InstanceDescription used on opensource projects

Example 11 with InstanceDescription

use of org.apache.sling.discovery.InstanceDescription in project sling by apache.

the class TopologyHelper method createTopologyView.

public static DefaultTopologyView createTopologyView(String clusterViewId, String slingId) {
    DefaultTopologyView t = new DefaultTopologyView();
    DefaultClusterView c = new DefaultClusterView(clusterViewId);
    DefaultInstanceDescription i = new DefaultInstanceDescription(c, true, false, slingId, new HashMap<String, String>());
    Collection<InstanceDescription> instances = new LinkedList<InstanceDescription>();
    instances.add(i);
    t.addInstances(instances);
    return t;
}

Example 12 with InstanceDescription

use of org.apache.sling.discovery.InstanceDescription in project sling by apache.

the class TopologyHelper method assertTopologyConsistsOf.

public static void assertTopologyConsistsOf(TopologyView topology, String... slingIds) {
    assertNotNull(topology);
    assertEquals(slingIds.length, topology.getInstances().size());
    for (int i = 0; i < slingIds.length; i++) {
        final String aSlingId = slingIds[i];
        final Set<?> instances = topology.getInstances();
        boolean found = false;
        for (Iterator<?> it = instances.iterator(); it.hasNext(); ) {
            InstanceDescription anInstance = (InstanceDescription) it.next();
            if (anInstance.getSlingId().equals(aSlingId)) {
                found = true;
                break;
            }
        }
        assertTrue(found);
    }
}

Example 13 with InstanceDescription

use of org.apache.sling.discovery.InstanceDescription in project sling by apache.

the class VirtualInstance method getLocalInstanceDescription.

public InstanceDescription getLocalInstanceDescription() throws UndefinedClusterViewException {
    final Iterator<InstanceDescription> it = getClusterViewService().getLocalClusterView().getInstances().iterator();
    while (it.hasNext()) {
        final InstanceDescription id = it.next();
        if (slingId.equals(id.getSlingId())) {
            return id;
        }
    }
    fail("no local instanceDescription found");
    // never called:
    return null;
}

Example 14 with InstanceDescription

use of org.apache.sling.discovery.InstanceDescription in project sling by apache.

the class TopologyTest method testTwoNodes.

@Test
public void testTwoNodes() throws Throwable {
    VirtualInstanceBuilder builder1 = newBuilder().newRepository("/var/discovery/impl/", true).setDebugName("instance1").setConnectorPingInterval(20).setConnectorPingTimeout(200);
    VirtualInstance instance1 = builder1.build();
    instances.add(instance1);
    VirtualInstanceBuilder builder2 = newBuilder().useRepositoryOf(builder1).setDebugName("instance2").setConnectorPingInterval(20).setConnectorPingTimeout(200);
    VirtualInstance instance2 = builder2.build();
    instances.add(instance2);
    instance1.getConfig().setViewCheckTimeout(8);
    instance1.getConfig().setViewCheckInterval(1);
    instance2.getConfig().setViewCheckTimeout(2);
    instance2.getConfig().setViewCheckInterval(1);
    for (int i = 0; i < 5; i++) {
        instance1.heartbeatsAndCheckView();
        instance2.heartbeatsAndCheckView();
        Thread.sleep(500);
    }
    Set<InstanceDescription> instances1 = instance1.getDiscoveryService().getTopology().getInstances();
    Set<InstanceDescription> instances2 = instance2.getDiscoveryService().getTopology().getInstances();
    assertEquals(1, instances1.size());
    assertEquals(1, instances2.size());
    assertEquals(instance1.getSlingId(), instances1.iterator().next().getSlingId());
    assertEquals(instance2.getSlingId(), instances2.iterator().next().getSlingId());
    new VirtualConnector(instance1, instance2);
    // check instance 1's announcements
    Collection<Announcement> instance1LocalAnnouncements = instance1.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(1, instance1LocalAnnouncements.size());
    Announcement instance1LocalAnnouncement = instance1LocalAnnouncements.iterator().next();
    assertEquals(instance2.getSlingId(), instance1LocalAnnouncement.getOwnerId());
    assertEquals(true, instance1LocalAnnouncement.isInherited());
    // check instance 2's announcements
    Collection<Announcement> instance2LocalAnnouncements = instance2.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(1, instance2LocalAnnouncements.size());
    Announcement instance2LocalAnnouncement = instance2LocalAnnouncements.iterator().next();
    assertEquals(instance1.getSlingId(), instance2LocalAnnouncement.getOwnerId());
    assertEquals(false, instance2LocalAnnouncement.isInherited());
    // check topology
    TopologyHelper.assertTopologyConsistsOf(instance1.getDiscoveryService().getTopology(), instance1.getSlingId(), instance2.getSlingId());
    TopologyHelper.assertTopologyConsistsOf(instance2.getDiscoveryService().getTopology(), instance1.getSlingId(), instance2.getSlingId());
    instance1LocalAnnouncements = instance1.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(1, instance1LocalAnnouncements.size());
    instance2LocalAnnouncements = instance2.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(1, instance2LocalAnnouncements.size());
    // sleep of 2.2sec ensures instance2's heartbeat timeout (which is 2sec) hits
    Thread.sleep(2200);
    instance1LocalAnnouncements = instance1.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(1, instance1LocalAnnouncements.size());
    instance2LocalAnnouncements = instance2.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(0, instance2LocalAnnouncements.size());
    logger.info("testTwoNodes: instance1: " + instance1.getSlingId());
    instance1.dumpRepo();
    logger.info("testTwoNodes: instance2: " + instance2.getSlingId());
    instance2.dumpRepo();
    TopologyHelper.assertTopologyConsistsOf(instance1.getDiscoveryService().getTopology(), instance1.getSlingId(), instance2.getSlingId());
    TopologyHelper.assertTopologyConsistsOf(instance2.getDiscoveryService().getTopology(), instance2.getSlingId());
    // another sleep 6s (2.2+6 = 8.2sec) ensures instance1's heartbeat timeout (which is 8sec) hits as well
    Thread.sleep(6000);
    instance1LocalAnnouncements = instance1.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(0, instance1LocalAnnouncements.size());
    instance2LocalAnnouncements = instance2.getAnnouncementRegistry().listLocalAnnouncements();
    assertEquals(0, instance2LocalAnnouncements.size());
    TopologyHelper.assertTopologyConsistsOf(instance1.getDiscoveryService().getTopology(), instance1.getSlingId());
    TopologyHelper.assertTopologyConsistsOf(instance2.getDiscoveryService().getTopology(), instance2.getSlingId());
}

Example 15 with InstanceDescription

use of org.apache.sling.discovery.InstanceDescription in project sling by apache.

the class InstancesDiffTest method testIsNotInClusterView.

@Test
public void testIsNotInClusterView() throws Exception {
    ClusterView clusterView = clusterView("yet-another-view");
    Collection<InstanceDescription> instances = new InstancesDiff(Arrays.asList(new Instance("one", true, false, Collections.<String, String>emptyMap(), "otherView"), new Instance("two", false, true, Collections.<String, String>emptyMap(), "viewId")), empty()).all(true).isInClusterView(clusterView).get();
    TestCase.assertEquals(0, instances.size());
}