Examples of org.jboss.as.clustering.singleton.election.PreferredSingletonElectionPolicy

Package org.jboss.as.clustering.singleton.election

Examples of org.jboss.as.clustering.singleton.election.PreferredSingletonElectionPolicy

org.jboss.as.clustering.singleton.election.PreferredSingletonElectionPolicy
An election policy that always elects a preferred node, and defers to a default policy if the preferred node is not a candidate. The means of specifying the preferred node is the responsibility of the extending class. @author Paul Ferraro


    @Override
    public void contextInitialized(ServletContextEvent event) {
        MyService service = new MyService();
        SingletonService<Environment> singleton = new SingletonService<Environment>(service, MyService.SERVICE_NAME);
        singleton.setElectionPolicy(new PreferredSingletonElectionPolicy(new NamePreference(PREFERRED_NODE + "/" + SingletonService.DEFAULT_CONTAINER), new SimpleSingletonElectionPolicy()));
        singleton.setClassResolver(new SimpleClassResolver(this.getClass().getClassLoader()));
        ServiceController<Environment> controller = singleton.build(CurrentServiceContainer.getServiceContainer())
            .addDependency(ServerEnvironmentService.SERVICE_NAME, ServerEnvironment.class, service.getEnvInjector())
            .install()
        ;

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         * singleton on a node with a particular name, uncomment the first line  and
         * comment the second line below.
         *   - To pass a list of more than one node, comment the first line and uncomment the
         * second line below.
         */
        singleton.setElectionPolicy(new PreferredSingletonElectionPolicy(new SimpleSingletonElectionPolicy(), new NamePreference("node1/singleton")));
        //singleton.setElectionPolicy(new PreferredSingletonElectionPolicy(new SimpleSingletonElectionPolicy(), new NamePreference("node1/singleton"), new NamePreference("node2/singleton")));


        singleton.build(new DelegatingServiceContainer(context.getServiceTarget(), context.getServiceRegistry()))
                .setInitialMode(ServiceController.Mode.ACTIVE)
                .install()

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Related Classes of org.jboss.as.clustering.singleton.election.PreferredSingletonElectionPolicy

org.jboss.as.quickstarts.cluster.hasingleton.service.ejb.HATimerServiceActivator

org.jboss.as.test.clustering.cluster.singleton.service.MyServiceContextListener

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