Examples with ResolverListener com.netflix.zuul.resolver.ResolverListener used on opensource projects

Example 1 with ResolverListener

use of com.netflix.zuul.resolver.ResolverListener in project zuul by Netflix.

the class DynamicServerResolverTest method verifyListenerUpdates.

@Test
public void verifyListenerUpdates() {
    class CustomListener implements ResolverListener<DiscoveryResult> {

        private List<DiscoveryResult> resultSet = Lists.newArrayList();

        @Override
        public void onChange(List<DiscoveryResult> changedSet) {
            resultSet = changedSet;
        }

        public List<DiscoveryResult> updatedList() {
            return resultSet;
        }
    }
    final CustomListener listener = new CustomListener();
    final DynamicServerResolver resolver = new DynamicServerResolver(new DefaultClientConfigImpl(), listener);
    final InstanceInfo first = Builder.newBuilder().setAppName("zuul-discovery-1").setHostName("zuul-discovery-1").setIPAddr("100.10.10.1").setPort(443).build();
    final InstanceInfo second = Builder.newBuilder().setAppName("zuul-discovery-2").setHostName("zuul-discovery-2").setIPAddr("100.10.10.2").setPort(443).build();
    final DiscoveryEnabledServer server1 = new DiscoveryEnabledServer(first, true);
    final DiscoveryEnabledServer server2 = new DiscoveryEnabledServer(second, true);
    resolver.onUpdate(ImmutableList.of(server1, server2), ImmutableList.of());
    Truth.assertThat(listener.updatedList()).containsExactly(new DiscoveryResult(server1), new DiscoveryResult(server2));
}