Examples with ClusterStateChangeEvent org.apache.ignite.events.ClusterStateChangeEvent used on opensource projects

Example 1 with ClusterStateChangeEvent

use of org.apache.ignite.events.ClusterStateChangeEvent in project ignite by apache.

the class GridCachePartitionExchangeManager method onClusterStateChangeFinish.

/**
 */
private void onClusterStateChangeFinish(IgniteInternalFuture<AffinityTopologyVersion> fut, ExchangeActions exchActions, boolean baselineChanging) {
    A.notNull(exchActions, "exchActions");
    GridEventStorageManager evtMngr = cctx.kernalContext().event();
    if (exchActions.activate() && evtMngr.isRecordable(EVT_CLUSTER_ACTIVATED) || exchActions.deactivate() && evtMngr.isRecordable(EVT_CLUSTER_DEACTIVATED) || exchActions.changedClusterState() && evtMngr.isRecordable(EVT_CLUSTER_STATE_CHANGED)) {
        List<Event> evts = new ArrayList<>(2);
        ClusterNode locNode = cctx.kernalContext().discovery().localNode();
        Collection<BaselineNode> bltNodes = cctx.kernalContext().cluster().get().currentBaselineTopology();
        boolean collectionUsed = false;
        if (exchActions.activate() && evtMngr.isRecordable(EVT_CLUSTER_ACTIVATED)) {
            assert !exchActions.deactivate() : exchActions;
            collectionUsed = true;
            evts.add(new ClusterActivationEvent(locNode, "Cluster activated.", EVT_CLUSTER_ACTIVATED, bltNodes));
        }
        if (exchActions.deactivate() && evtMngr.isRecordable(EVT_CLUSTER_DEACTIVATED)) {
            assert !exchActions.activate() : exchActions;
            collectionUsed = true;
            evts.add(new ClusterActivationEvent(locNode, "Cluster deactivated.", EVT_CLUSTER_DEACTIVATED, bltNodes));
        }
        if (exchActions.changedClusterState() && evtMngr.isRecordable(EVT_CLUSTER_STATE_CHANGED)) {
            StateChangeRequest req = exchActions.stateChangeRequest();
            if (collectionUsed && bltNodes != null)
                bltNodes = new ArrayList<>(bltNodes);
            evts.add(new ClusterStateChangeEvent(req.prevState(), req.state(), bltNodes, locNode, "Cluster state changed."));
        }
        A.notEmpty(evts, "events " + exchActions);
        cctx.kernalContext().pools().getSystemExecutorService().submit(() -> evts.forEach(e -> cctx.kernalContext().event().record(e)));
    }
    GridKernalContext ctx = cctx.kernalContext();
    DiscoveryDataClusterState state = ctx.state().clusterState();
    if (baselineChanging) {
        ctx.pools().getStripedExecutorService().execute(new Runnable() {

            @Override
            public void run() {
                if (ctx.event().isRecordable(EventType.EVT_BASELINE_CHANGED)) {
                    ctx.event().record(new BaselineChangedEvent(ctx.discovery().localNode(), "Baseline changed.", EventType.EVT_BASELINE_CHANGED, ctx.cluster().get().currentBaselineTopology()));
                }
            }
        });
    }
}

Example 2 with ClusterStateChangeEvent

use of org.apache.ignite.events.ClusterStateChangeEvent in project ignite by apache.

the class ClusterStateChangeEventTest method changeStateAndCheckEvents.

/**
 */
private void changeStateAndCheckEvents(ClusterState state) throws IgniteCheckedException {
    IgniteEx crd = grid(0);
    ClusterState prevState = crd.cluster().state();
    Collection<BaselineNode> blt = crd.cluster().currentBaselineTopology();
    assertNotSame(prevState, state);
    Map<Ignite, IgniteFuture<Event>> evtFuts = new HashMap<>();
    for (Ignite node : G.allGrids()) {
        Event event = max(node.events().localQuery(F.alwaysTrue(), EVT_CLUSTER_STATE_CHANGED), comparingLong(Event::localOrder));
        log.info("Event with highest local id for node: " + node.name() + " is: " + event);
        evtFuts.put(node, waitForLocalEvent(node.events(), e -> e.localOrder() > event.localOrder(), EVT_CLUSTER_STATE_CHANGED));
    }
    crd.cluster().state(state);
    for (Ignite node : evtFuts.keySet()) {
        assertEquals(node.name(), state, node.cluster().state());
        Event e = evtFuts.get(node).get(1000L);
        assertNotNull(node.name(), e);
        assertTrue(node.name() + " " + e, e instanceof ClusterStateChangeEvent);
        ClusterStateChangeEvent changeEvent = (ClusterStateChangeEvent) e;
        assertEquals(prevState, changeEvent.previousState());
        assertEquals(state, changeEvent.state());
        if (blt == null)
            assertNull(node.name(), changeEvent.baselineNodes());
        else {
            assertNotNull(changeEvent.baselineNodes());
            Set<Object> bltIds = blt.stream().map(BaselineNode::consistentId).collect(toSet());
            Set<Object> evtBltIds = changeEvent.baselineNodes().stream().map(BaselineNode::consistentId).collect(toSet());
            assertEqualsCollections(bltIds, evtBltIds);
        }
    }
}