Examples with Event com.alibaba.nacos.api.naming.listener.Event used on opensource projects

Example 11 with Event

use of com.alibaba.nacos.api.naming.listener.Event in project nacos by alibaba.

the class SubscribeCluster_ITCase method subscribeDelete.

/**
 * 删除IP，收到通知
 *
 * @throws Exception
 */
@Test(timeout = 10000L)
public void subscribeDelete() throws Exception {
    String serviceName = randomDomainName();
    naming.registerInstance(serviceName, "127.0.0.1", TEST_PORT, "c1");
    TimeUnit.SECONDS.sleep(3);
    naming.subscribe(serviceName, Arrays.asList("c1"), new EventListener() {

        int index = 0;

        @Override
        public void onEvent(Event event) {
            if (index == 0) {
                index++;
                return;
            }
            System.out.println(((NamingEvent) event).getServiceName());
            System.out.println(((NamingEvent) event).getInstances());
            instances = ((NamingEvent) event).getInstances();
        }
    });
    TimeUnit.SECONDS.sleep(1);
    naming.deregisterInstance(serviceName, "127.0.0.1", TEST_PORT, "c1");
    while (!instances.isEmpty()) {
        Thread.sleep(1000L);
    }
    Assert.assertTrue(instances.isEmpty());
}

Example 12 with Event

use of com.alibaba.nacos.api.naming.listener.Event in project nacos by alibaba.

the class Subscribe_ITCase method subscribeAdd.

/**
 * 添加IP，收到通知
 *
 * @throws Exception
 */
@Test(timeout = 4 * TIME_OUT)
public void subscribeAdd() throws Exception {
    String serviceName = randomDomainName();
    naming.subscribe(serviceName, new EventListener() {

        @Override
        public void onEvent(Event event) {
            System.out.println(((NamingEvent) event).getServiceName());
            System.out.println(((NamingEvent) event).getInstances());
            instances = ((NamingEvent) event).getInstances();
        }
    });
    naming.registerInstance(serviceName, "127.0.0.1", TEST_PORT, "c1");
    while (instances.isEmpty()) {
        Thread.sleep(1000L);
    }
    Assert.assertTrue(verifyInstanceList(instances, naming.getAllInstances(serviceName)));
}

Example 13 with Event

use of com.alibaba.nacos.api.naming.listener.Event in project nacos by alibaba.

the class Subscribe_ITCase method querySubscribers.

@Test
public void querySubscribers() throws Exception {
    String serviceName = randomDomainName();
    naming.registerInstance(serviceName, "1.1.1.1", TEST_PORT, "c1");
    EventListener listener = new EventListener() {

        @Override
        public void onEvent(Event event) {
            System.out.println(((NamingEvent) event).getServiceName());
            System.out.println(((NamingEvent) event).getInstances());
            instances = ((NamingEvent) event).getInstances();
        }
    };
    naming.subscribe(serviceName, listener);
    TimeUnit.SECONDS.sleep(3);
    ResponseEntity<String> response = request(NamingBase.NAMING_CONTROLLER_PATH + "/service/subscribers", Params.newParams().appendParam("serviceName", serviceName).appendParam("pageNo", "1").appendParam("pageSize", "10").done(), String.class, HttpMethod.GET);
    Assert.assertTrue(response.getStatusCode().is2xxSuccessful());
    JsonNode body = JacksonUtils.toObj(response.getBody());
    Assert.assertEquals(1, body.get("subscribers").size());
    Properties properties = new Properties();
    properties.setProperty("namingRequestTimeout", "300000");
    properties.setProperty("serverAddr", "127.0.0.1" + ":" + port);
    NamingService naming2 = NamingFactory.createNamingService(properties);
    naming2.subscribe(serviceName, new EventListener() {

        @Override
        public void onEvent(Event event) {
            System.out.println(((NamingEvent) event).getServiceName());
            System.out.println(((NamingEvent) event).getInstances());
            instances = ((NamingEvent) event).getInstances();
        }
    });
    TimeUnit.SECONDS.sleep(3);
    response = request(NamingBase.NAMING_CONTROLLER_PATH + "/service/subscribers", Params.newParams().appendParam("serviceName", serviceName).appendParam("pageNo", "1").appendParam("pageSize", "10").done(), String.class, HttpMethod.GET);
    Assert.assertTrue(response.getStatusCode().is2xxSuccessful());
    body = JacksonUtils.toObj(response.getBody());
    // server will remove duplicate subscriber by ip port service app and so on
    Assert.assertEquals(1, body.get("subscribers").size());
}

Example 14 with Event

use of com.alibaba.nacos.api.naming.listener.Event in project nacos by alibaba.

the class Subscribe_ITCase method subscribeDelete.

/**
 * 删除IP，收到通知
 *
 * @throws Exception
 */
@Test(timeout = 4 * TIME_OUT)
public void subscribeDelete() throws Exception {
    String serviceName = randomDomainName();
    naming.registerInstance(serviceName, "127.0.0.1", TEST_PORT, "c1");
    TimeUnit.SECONDS.sleep(3);
    naming.subscribe(serviceName, new EventListener() {

        int index = 0;

        @Override
        public void onEvent(Event event) {
            if (index == 0) {
                index++;
                return;
            }
            System.out.println(((NamingEvent) event).getServiceName());
            System.out.println(((NamingEvent) event).getInstances());
            instances = ((NamingEvent) event).getInstances();
        }
    });
    TimeUnit.SECONDS.sleep(1);
    naming.deregisterInstance(serviceName, "127.0.0.1", TEST_PORT, "c1");
    while (!instances.isEmpty()) {
        Thread.sleep(1000L);
    }
    Assert.assertTrue(instances.isEmpty());
}

Example 15 with Event

use of com.alibaba.nacos.api.naming.listener.Event in project nacos by alibaba.

the class Subscribe_ITCase method subscribeUnhealthy.

/**
 * 添加不可用IP，收到通知
 *
 * @throws Exception
 */
@Test(timeout = 4 * TIME_OUT)
public void subscribeUnhealthy() throws Exception {
    String serviceName = randomDomainName();
    naming.subscribe(serviceName, new EventListener() {

        @Override
        public void onEvent(Event event) {
            System.out.println(((NamingEvent) event).getServiceName());
            System.out.println(((NamingEvent) event).getInstances());
            instances = ((NamingEvent) event).getInstances();
        }
    });
    naming.registerInstance(serviceName, "1.1.1.1", TEST_PORT, "c1");
    while (instances.isEmpty()) {
        Thread.sleep(1000L);
    }
    Assert.assertTrue(verifyInstanceList(instances, naming.getAllInstances(serviceName)));
}