Examples with SimpleSingletonElectionPolicy org.wildfly.clustering.singleton.election.SimpleSingletonElectionPolicy used on opensource projects

Example 1 with SimpleSingletonElectionPolicy

use of org.wildfly.clustering.singleton.election.SimpleSingletonElectionPolicy in project wildfly by wildfly.

the class SingletonServiceActivator method install.

private static void install(ServiceTarget target, SingletonServiceBuilderFactory factory, ServiceName name, String preferredNode) {
    InjectedValue<Group> group = new InjectedValue<>();
    NodeService service = new NodeService(group);
    factory.createSingletonServiceBuilder(name, service).electionPolicy(new PreferredSingletonElectionPolicy(new SimpleSingletonElectionPolicy(), new NamePreference(preferredNode))).build(target).addDependency(ServiceName.JBOSS.append("clustering", "group", "default"), Group.class, group).install();
}

Example 2 with SimpleSingletonElectionPolicy

use of org.wildfly.clustering.singleton.election.SimpleSingletonElectionPolicy in project wildfly by wildfly.

the class NodeServiceActivator method install.

private static void install(ServiceTarget target, SingletonServiceBuilderFactory factory, ServiceName name, int quorum) {
    InjectedValue<Group> group = new InjectedValue<>();
    NodeService service = new NodeService(group);
    factory.createSingletonServiceBuilder(name, service).electionPolicy(new PreferredSingletonElectionPolicy(new SimpleSingletonElectionPolicy(), new NamePreference(PREFERRED_NODE))).requireQuorum(quorum).build(target).addDependency(ServiceName.parse("org.wildfly.clustering.default-group"), Group.class, group).install();
}

Example 3 with SimpleSingletonElectionPolicy

use of org.wildfly.clustering.singleton.election.SimpleSingletonElectionPolicy in project wildfly by wildfly.

the class SimpleSingletonElectionPolicyTestCase method elect.

@Test
public void elect() {
    Node node1 = mock(Node.class);
    Node node2 = mock(Node.class);
    Node node3 = mock(Node.class);
    List<Node> nodes = Arrays.asList(node1, node2, node3);
    assertSame(node1, new SimpleSingletonElectionPolicy().elect(nodes));
    assertSame(node1, new SimpleSingletonElectionPolicy(0).elect(nodes));
    assertSame(node2, new SimpleSingletonElectionPolicy(1).elect(nodes));
    assertSame(node3, new SimpleSingletonElectionPolicy(2).elect(nodes));
    assertSame(node1, new SimpleSingletonElectionPolicy(3).elect(nodes));
    assertNull(new SimpleSingletonElectionPolicy().elect(Collections.<Node>emptyList()));
}