Examples with SuspendableService org.apache.camel.SuspendableService used on opensource projects

Example 1 with SuspendableService

use of org.apache.camel.SuspendableService in project camel by apache.

the class DefaultCamelContext method doStartOrResumeRoutes.

/**
     * Starts or resumes the routes
     *
     * @param routeServices  the routes to start (will only start a route if its not already started)
     * @param checkClash     whether to check for startup ordering clash
     * @param startConsumer  whether the route consumer should be started. Can be used to warmup the route without starting the consumer.
     * @param resumeConsumer whether the route consumer should be resumed.
     * @param addingRoutes   whether we are adding new routes
     * @throws Exception is thrown if error starting routes
     */
protected void doStartOrResumeRoutes(Map<String, RouteService> routeServices, boolean checkClash, boolean startConsumer, boolean resumeConsumer, boolean addingRoutes) throws Exception {
    isStartingRoutes.set(true);
    try {
        // filter out already started routes
        Map<String, RouteService> filtered = new LinkedHashMap<String, RouteService>();
        for (Map.Entry<String, RouteService> entry : routeServices.entrySet()) {
            boolean startable = false;
            Consumer consumer = entry.getValue().getRoutes().iterator().next().getConsumer();
            if (consumer instanceof SuspendableService) {
                // consumer could be suspended, which is not reflected in the RouteService status
                startable = ((SuspendableService) consumer).isSuspended();
            }
            if (!startable && consumer instanceof StatefulService) {
                // consumer could be stopped, which is not reflected in the RouteService status
                startable = ((StatefulService) consumer).getStatus().isStartable();
            } else if (!startable) {
                // no consumer so use state from route service
                startable = entry.getValue().getStatus().isStartable();
            }
            if (startable) {
                filtered.put(entry.getKey(), entry.getValue());
            }
        }
        // the context is in last phase of staring, so lets start the routes
        safelyStartRouteServices(checkClash, startConsumer, resumeConsumer, addingRoutes, filtered.values());
    } finally {
        isStartingRoutes.remove();
    }
}

Example 2 with SuspendableService

use of org.apache.camel.SuspendableService in project camel by apache.

the class ServiceHelper method suspendService.

/**
     * Suspends the given {@code service}.
     * <p/>
     * If {@code service} is both {@link org.apache.camel.Suspendable} and {@link org.apache.camel.SuspendableService} then
     * its {@link org.apache.camel.SuspendableService#suspend()} is called but
     * <b>only</b> if {@code service} is <b>not</b> already
     * {@link #isSuspended(Object) suspended}.
     * <p/>
     * If {@code service} is <b>not</b> a
     * {@link org.apache.camel.Suspendable} and {@link org.apache.camel.SuspendableService} then its
     * {@link org.apache.camel.Service#stop()} is called.
     * <p/>
     * Calling this method has no effect if {@code service} is {@code null}.
     * 
     * @param service the service
     * @return <tt>true</tt> if either the <tt>suspend</tt> method or
     *         {@link #stopService(Object)} was called, <tt>false</tt>
     *         otherwise.
     * @throws Exception is thrown if error occurred
     * @see #stopService(Object)
     */
public static boolean suspendService(Object service) throws Exception {
    if (service instanceof Suspendable && service instanceof SuspendableService) {
        SuspendableService ss = (SuspendableService) service;
        if (!ss.isSuspended()) {
            LOG.trace("Suspending service {}", service);
            ss.suspend();
            return true;
        } else {
            return false;
        }
    } else {
        stopService(service);
        return true;
    }
}

Example 3 with SuspendableService

use of org.apache.camel.SuspendableService in project camel by apache.

the class CronScheduledRoutePolicyTest method testScheduledSuspendRoutePolicy.

@Test
public void testScheduledSuspendRoutePolicy() throws Exception {
    context.getComponent("quartz", QuartzComponent.class).setPropertiesFile("org/apache/camel/routepolicy/quartz/myquartz.properties");
    context.addRoutes(new RouteBuilder() {

        public void configure() {
            CronScheduledRoutePolicy policy = new CronScheduledRoutePolicy();
            policy.setRouteSuspendTime("*/3 * * * * ?");
            from("direct:start").routeId("test").routePolicy(policy).to("mock:unreachable");
        }
    });
    context.start();
    Thread.sleep(5000);
    // when suspending its only the consumer that suspends
    // there is a ticket to improve this
    Consumer consumer = context.getRoute("test").getConsumer();
    SuspendableService ss = (SuspendableService) consumer;
    assertTrue("Consumer should be suspended", ss.isSuspended());
}

Example 4 with SuspendableService

use of org.apache.camel.SuspendableService in project camel by apache.

the class CronScheduledRoutePolicyTest method testScheduledSuspendRoutePolicy.

@Test
public void testScheduledSuspendRoutePolicy() throws Exception {
    context.getComponent("quartz2", QuartzComponent.class).setPropertiesFile("org/apache/camel/routepolicy/quartz2/myquartz.properties");
    context.addRoutes(new RouteBuilder() {

        public void configure() {
            CronScheduledRoutePolicy policy = new CronScheduledRoutePolicy();
            policy.setRouteSuspendTime("*/3 * * * * ?");
            from("direct:start").routeId("test").routePolicy(policy).to("mock:unreachable");
        }
    });
    context.start();
    Thread.sleep(5000);
    // when suspending its only the consumer that suspends
    // there is a ticket to improve this
    Consumer consumer = context.getRoute("test").getConsumer();
    SuspendableService ss = (SuspendableService) consumer;
    assertTrue("Consumer should be suspended", ss.isSuspended());
}

Example 5 with SuspendableService

use of org.apache.camel.SuspendableService in project camel by apache.

the class ServiceHelper method resumeService.

/**
     * Resumes the given {@code service}.
     * <p/>
     * If {@code service} is both {@link org.apache.camel.Suspendable} and {@link org.apache.camel.SuspendableService} then
     * its {@link org.apache.camel.SuspendableService#resume()} is called but
     * <b>only</b> if {@code service} is already {@link #isSuspended(Object)
     * suspended}.
     * <p/>
     * If {@code service} is <b>not</b> a
     * {@link org.apache.camel.Suspendable} and {@link org.apache.camel.SuspendableService} then its
     * {@link org.apache.camel.Service#start()} is called.
     * <p/>
     * Calling this method has no effect if {@code service} is {@code null}.
     * 
     * @param service the service
     * @return <tt>true</tt> if either <tt>resume</tt> method or
     *         {@link #startService(Service)} was called, <tt>false</tt>
     *         otherwise.
     * @throws Exception is thrown if error occurred
     * @see #startService(Service)
     */
public static boolean resumeService(Object service) throws Exception {
    if (service instanceof Suspendable && service instanceof SuspendableService) {
        SuspendableService ss = (SuspendableService) service;
        if (ss.isSuspended()) {
            LOG.debug("Resuming service {}", service);
            ss.resume();
            return true;
        } else {
            return false;
        }
    } else {
        startService(service);
        return true;
    }
}