Examples with RouteStartupOrder org.apache.camel.spi.RouteStartupOrder used on opensource projects

Example 11 with RouteStartupOrder

use of org.apache.camel.spi.RouteStartupOrder in project camel by apache.

the class DefaultShutdownStrategy method doShutdown.

protected boolean doShutdown(CamelContext context, List<RouteStartupOrder> routes, long timeout, TimeUnit timeUnit, boolean suspendOnly, boolean abortAfterTimeout, boolean forceShutdown) throws Exception {
    // timeout must be a positive value
    if (timeout <= 0) {
        throw new IllegalArgumentException("Timeout must be a positive value");
    }
    // just return if no routes to shutdown
    if (routes.isEmpty()) {
        return true;
    }
    StopWatch watch = new StopWatch();
    // at first sort according to route startup order
    List<RouteStartupOrder> routesOrdered = new ArrayList<RouteStartupOrder>(routes);
    routesOrdered.sort(new Comparator<RouteStartupOrder>() {

        public int compare(RouteStartupOrder o1, RouteStartupOrder o2) {
            return o1.getStartupOrder() - o2.getStartupOrder();
        }
    });
    if (shutdownRoutesInReverseOrder) {
        Collections.reverse(routesOrdered);
    }
    if (suspendOnly) {
        LOG.info("Starting to graceful suspend " + routesOrdered.size() + " routes (timeout " + timeout + " " + timeUnit.toString().toLowerCase(Locale.ENGLISH) + ")");
    } else {
        LOG.info("Starting to graceful shutdown " + routesOrdered.size() + " routes (timeout " + timeout + " " + timeUnit.toString().toLowerCase(Locale.ENGLISH) + ")");
    }
    // use another thread to perform the shutdowns so we can support timeout
    timeoutOccurred.set(false);
    currentShutdownTaskFuture = getExecutorService().submit(new ShutdownTask(context, routesOrdered, timeout, timeUnit, suspendOnly, abortAfterTimeout, timeoutOccurred));
    try {
        currentShutdownTaskFuture.get(timeout, timeUnit);
    } catch (ExecutionException e) {
        // unwrap execution exception
        throw ObjectHelper.wrapRuntimeCamelException(e.getCause());
    } catch (Exception e) {
        // either timeout or interrupted exception was thrown so this is okay
        // as interrupted would mean cancel was called on the currentShutdownTaskFuture to signal a forced timeout
        // we hit a timeout, so set the flag
        timeoutOccurred.set(true);
        // timeout then cancel the task
        currentShutdownTaskFuture.cancel(true);
        // signal we are forcing shutdown now, since timeout occurred
        this.forceShutdown = forceShutdown;
        // if set, stop processing and return false to indicate that the shutdown is aborting
        if (!forceShutdown && abortAfterTimeout) {
            LOG.warn("Timeout occurred during graceful shutdown. Aborting the shutdown now." + " Notice: some resources may still be running as graceful shutdown did not complete successfully.");
            // we attempt to force shutdown so lets log the current inflight exchanges which are affected
            logInflightExchanges(context, routes, isLogInflightExchangesOnTimeout());
            return false;
        } else {
            if (forceShutdown || shutdownNowOnTimeout) {
                LOG.warn("Timeout occurred during graceful shutdown. Forcing the routes to be shutdown now." + " Notice: some resources may still be running as graceful shutdown did not complete successfully.");
                // we attempt to force shutdown so lets log the current inflight exchanges which are affected
                logInflightExchanges(context, routes, isLogInflightExchangesOnTimeout());
                // force the routes to shutdown now
                shutdownRoutesNow(routesOrdered);
                // now the route consumers has been shutdown, then prepare route services for shutdown now (forced)
                for (RouteStartupOrder order : routes) {
                    for (Service service : order.getServices()) {
                        prepareShutdown(service, false, true, true, isSuppressLoggingOnTimeout());
                    }
                }
            } else {
                LOG.warn("Timeout occurred during graceful shutdown. Will ignore shutting down the remainder routes." + " Notice: some resources may still be running as graceful shutdown did not complete successfully.");
                logInflightExchanges(context, routes, isLogInflightExchangesOnTimeout());
            }
        }
    } finally {
        currentShutdownTaskFuture = null;
    }
    // convert to seconds as its easier to read than a big milli seconds number
    long seconds = TimeUnit.SECONDS.convert(watch.stop(), TimeUnit.MILLISECONDS);
    LOG.info("Graceful shutdown of " + routesOrdered.size() + " routes completed in " + seconds + " seconds");
    return true;
}

Example 12 with RouteStartupOrder

use of org.apache.camel.spi.RouteStartupOrder in project camel by apache.

the class DefaultCamelContext method shutdownRoute.

public synchronized void shutdownRoute(String routeId, long timeout, TimeUnit timeUnit) throws Exception {
    RouteService routeService = routeServices.get(routeId);
    if (routeService != null) {
        List<RouteStartupOrder> routes = new ArrayList<RouteStartupOrder>(1);
        RouteStartupOrder order = new DefaultRouteStartupOrder(1, routeService.getRoutes().iterator().next(), routeService);
        routes.add(order);
        getShutdownStrategy().shutdown(this, routes, timeout, timeUnit);
        // must stop route service as well (and remove the routes from management)
        stopRouteService(routeService, true);
    }
}

Example 13 with RouteStartupOrder

use of org.apache.camel.spi.RouteStartupOrder in project camel by apache.

the class DefaultCamelContext method doSuspend.

@Override
protected void doSuspend() throws Exception {
    EventHelper.notifyCamelContextSuspending(this);
    log.info("Apache Camel " + getVersion() + " (CamelContext: " + getName() + ") is suspending");
    StopWatch watch = new StopWatch();
    // (so when we resume we only resume the routes which actually was suspended)
    for (Map.Entry<String, RouteService> entry : getRouteServices().entrySet()) {
        if (entry.getValue().getStatus().isStarted()) {
            suspendedRouteServices.put(entry.getKey(), entry.getValue());
        }
    }
    // assemble list of startup ordering so routes can be shutdown accordingly
    List<RouteStartupOrder> orders = new ArrayList<RouteStartupOrder>();
    for (Map.Entry<String, RouteService> entry : suspendedRouteServices.entrySet()) {
        Route route = entry.getValue().getRoutes().iterator().next();
        Integer order = entry.getValue().getRouteDefinition().getStartupOrder();
        if (order == null) {
            order = defaultRouteStartupOrder++;
        }
        orders.add(new DefaultRouteStartupOrder(order, route, entry.getValue()));
    }
    // suspend routes using the shutdown strategy so it can shutdown in correct order
    // routes which doesn't support suspension will be stopped instead
    getShutdownStrategy().suspend(this, orders);
    // mark the route services as suspended or stopped
    for (RouteService service : suspendedRouteServices.values()) {
        if (routeSupportsSuspension(service.getId())) {
            service.suspend();
        } else {
            service.stop();
        }
    }
    watch.stop();
    if (log.isInfoEnabled()) {
        log.info("Apache Camel " + getVersion() + " (CamelContext: " + getName() + ") is suspended in " + TimeUtils.printDuration(watch.taken()));
    }
    EventHelper.notifyCamelContextSuspended(this);
}

Example 14 with RouteStartupOrder

use of org.apache.camel.spi.RouteStartupOrder in project camel by apache.

the class DefaultCamelContext method stopRoute.

public synchronized void stopRoute(String routeId, long timeout, TimeUnit timeUnit) throws Exception {
    RouteService routeService = routeServices.get(routeId);
    if (routeService != null) {
        List<RouteStartupOrder> routes = new ArrayList<RouteStartupOrder>(1);
        RouteStartupOrder order = new DefaultRouteStartupOrder(1, routeService.getRoutes().iterator().next(), routeService);
        routes.add(order);
        getShutdownStrategy().shutdown(this, routes, timeout, timeUnit);
        // must stop route service as well
        stopRouteService(routeService, false);
    }
}

Example 15 with RouteStartupOrder

use of org.apache.camel.spi.RouteStartupOrder in project camel by apache.

the class JmsDirectStartupOrderIssueTest method testJmsDirectStartupOrderIssue.

@Test
public void testJmsDirectStartupOrderIssue() throws Exception {
    // send messages to queue so there is messages on the queue before we start the route
    template.sendBody("activemq:queue:foo", "Hello World");
    template.sendBody("activemq:queue:foo", "Hello Camel");
    template.sendBody("activemq:queue:foo", "Bye World");
    template.sendBody("activemq:queue:foo", "Bye Camel");
    context.startRoute("amq");
    getMockEndpoint("mock:result").expectedMessageCount(4);
    assertMockEndpointsSatisfied();
    DefaultCamelContext dcc = (DefaultCamelContext) context;
    List<RouteStartupOrder> order = dcc.getRouteStartupOrder();
    assertEquals(2, order.size());
    assertEquals(1, order.get(0).getStartupOrder());
    assertEquals("direct", order.get(0).getRoute().getId());
    assertEquals(100, order.get(1).getStartupOrder());
    assertEquals("amq", order.get(1).getRoute().getId());
}