Examples with ViewChecker org.apache.sling.discovery.base.commons.ViewChecker used on opensource projects

Example 1 with ViewChecker

use of org.apache.sling.discovery.base.commons.ViewChecker in project sling by apache.

the class OakVirtualInstanceBuilder method createViewChecker.

@Override
protected ViewChecker createViewChecker() throws Exception {
    getOakViewChecker();
    return new ViewChecker() {

        private final Logger logger = LoggerFactory.getLogger(getClass());

        private SimulatedLease lease = new SimulatedLease(getResourceResolverFactory(), leaseCollection, getSlingId());

        protected void activate(ComponentContext c) throws Throwable {
            OakViewChecker pinger = getOakViewChecker();
            PrivateAccessor.invoke(pinger, "activate", new Class[] { ComponentContext.class }, new Object[] { c });
        }

        @Override
        public void checkView() {
            try {
                lease.updateDescriptor(getConfig());
            } catch (Exception e) {
                logger.error("run: could not update lease: " + e);
            }
        }

        public void run() {
            heartbeatAndCheckView();
        }

        @Override
        public void heartbeatAndCheckView() {
            //                as soon as I see others the descriptor is updated
            try {
                lease.updateLeaseAndDescriptor(getConfig());
            } catch (Exception e) {
                logger.error("run: could not update lease: " + e, e);
            }
            try {
                getOakViewChecker().run();
            } catch (Exception e) {
                logger.error("run: could not ping: " + e, e);
            }
            if (!getIdMapService().isInitialized()) {
                if (!getIdMapService().waitForInit(1500)) {
                    fail("init didnt work");
                }
            }
        }
    };
}