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ProgrammaticHazelcastClusterManagerTest.java
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ProgrammaticHazelcastClusterManagerTest.java
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/*
* Copyright 2018 Red Hat, Inc.
*
* Red Hat licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.vertx.core;
import com.hazelcast.config.Config;
import com.hazelcast.config.GroupConfig;
import com.hazelcast.core.*;
import io.vertx.spi.cluster.hazelcast.HazelcastClusterManager;
import io.vertx.test.core.AsyncTestBase;
import org.junit.AfterClass;
import org.junit.Test;
import java.math.BigInteger;
import java.util.Map;
import java.util.Random;
import java.util.concurrent.atomic.AtomicReference;
/**
* @author <a href="http://tfox.org">Tim Fox</a>
*/
public class ProgrammaticHazelcastClusterManagerTest extends AsyncTestBase {
static {
// this is only checked once every 10 seconds by Hazelcast on client disconnect
System.setProperty("hazelcast.client.max.no.heartbeat.seconds", "9");
}
@Override
public void setUp() throws Exception {
Random random = new Random();
System.setProperty("vertx.hazelcast.test.group.name", new BigInteger(128, random).toString(32));
System.setProperty("vertx.hazelcast.test.group.password", new BigInteger(128, random).toString(32));
super.setUp();
}
@Test
public void testProgrammaticSetConfig() throws Exception {
Config config = createConfig();
HazelcastClusterManager mgr = new HazelcastClusterManager();
mgr.setConfig(config);
testProgrammatic(mgr, config);
}
@Test
public void testProgrammaticSetWithConstructor() throws Exception {
Config config = createConfig();
HazelcastClusterManager mgr = new HazelcastClusterManager(config);
testProgrammatic(mgr, config);
}
@Test
public void testCustomHazelcastInstance() throws Exception {
HazelcastInstance instance = Hazelcast.newHazelcastInstance(createConfig());
HazelcastClusterManager mgr = new HazelcastClusterManager(instance);
testProgrammatic(mgr, instance.getConfig());
}
private Config createConfig() {
return new Config()
.setProperty("hazelcast.wait.seconds.before.join", "0")
.setProperty("hazelcast.local.localAddress", "127.0.0.1")
.setGroupConfig(new GroupConfig()
.setName(System.getProperty("vertx.hazelcast.test.group.name"))
.setPassword(System.getProperty("vertx.hazelcast.test.group.password")));
}
private void testProgrammatic(HazelcastClusterManager mgr, Config config) throws Exception {
mgr.setConfig(config);
assertEquals(config, mgr.getConfig());
VertxOptions options = new VertxOptions().setClusterManager(mgr).setClustered(true);
Vertx.clusteredVertx(options, res -> {
assertTrue(res.succeeded());
assertNotNull(mgr.getHazelcastInstance());
res.result().close(res2 -> {
assertTrue(res2.succeeded());
testComplete();
});
});
await();
}
@Test
public void testEventBusWhenUsingACustomHazelcastInstance() throws Exception {
HazelcastInstance instance1 = Hazelcast.newHazelcastInstance(createConfig());
HazelcastInstance instance2 = Hazelcast.newHazelcastInstance(createConfig());
HazelcastClusterManager mgr1 = new HazelcastClusterManager(instance1);
HazelcastClusterManager mgr2 = new HazelcastClusterManager(instance2);
VertxOptions options1 = new VertxOptions().setClusterManager(mgr1).setClustered(true).setClusterHost("127.0.0.1");
VertxOptions options2 = new VertxOptions().setClusterManager(mgr2).setClustered(true).setClusterHost("127.0.0.1");
AtomicReference<Vertx> vertx1 = new AtomicReference<>();
AtomicReference<Vertx> vertx2 = new AtomicReference<>();
Vertx.clusteredVertx(options1, res -> {
assertTrue(res.succeeded());
assertNotNull(mgr1.getHazelcastInstance());
res.result().eventBus().consumer("news", message -> {
assertNotNull(message);
assertTrue(message.body().equals("hello"));
testComplete();
});
vertx1.set(res.result());
});
assertWaitUntil(() -> vertx1.get() != null);
Vertx.clusteredVertx(options2, res -> {
assertTrue(res.succeeded());
assertNotNull(mgr2.getHazelcastInstance());
vertx2.set(res.result());
res.result().eventBus().send("news", "hello");
});
await();
vertx1.get().close(ar -> vertx1.set(null));
vertx2.get().close(ar -> vertx2.set(null));
assertTrue(instance1.getLifecycleService().isRunning());
assertTrue(instance2.getLifecycleService().isRunning());
assertWaitUntil(() -> vertx1.get() == null && vertx2.get() == null);
instance1.shutdown();
instance2.shutdown();
}
@Test
public void testSharedDataUsingCustomHazelcast() throws Exception {
HazelcastInstance instance1 = Hazelcast.newHazelcastInstance(createConfig());
HazelcastInstance instance2 = Hazelcast.newHazelcastInstance(createConfig());
HazelcastClusterManager mgr1 = new HazelcastClusterManager(instance1);
HazelcastClusterManager mgr2 = new HazelcastClusterManager(instance2);
VertxOptions options1 = new VertxOptions().setClusterManager(mgr1).setClustered(true).setClusterHost("127.0.0.1");
VertxOptions options2 = new VertxOptions().setClusterManager(mgr2).setClustered(true).setClusterHost("127.0.0.1");
AtomicReference<Vertx> vertx1 = new AtomicReference<>();
AtomicReference<Vertx> vertx2 = new AtomicReference<>();
Vertx.clusteredVertx(options1, res -> {
assertTrue(res.succeeded());
assertNotNull(mgr1.getHazelcastInstance());
res.result().sharedData().getClusterWideMap("mymap1", ar -> {
ar.result().put("news", "hello", v -> {
vertx1.set(res.result());
});
});
});
assertWaitUntil(() -> vertx1.get() != null);
Vertx.clusteredVertx(options2, res -> {
assertTrue(res.succeeded());
assertNotNull(mgr2.getHazelcastInstance());
vertx2.set(res.result());
res.result().sharedData().getClusterWideMap("mymap1", ar -> {
ar.result().get("news", r -> {
assertEquals("hello", r.result());
testComplete();
});
});
});
await();
vertx1.get().close(ar -> vertx1.set(null));
vertx2.get().close(ar -> vertx2.set(null));
assertWaitUntil(() -> vertx1.get() == null && vertx2.get() == null);
// be sure stopping vertx did not cause or require our custom hazelcast to shutdown
assertTrue(instance1.getLifecycleService().isRunning());
assertTrue(instance2.getLifecycleService().isRunning());
instance1.shutdown();
instance2.shutdown();
}
@Test
public void testThatExternalHZInstanceCanBeShutdown() {
// This instance won't be used by vert.x
HazelcastInstance instance = Hazelcast.newHazelcastInstance(createConfig());
String nodeID = instance.getCluster().getLocalMember().getUuid();
instance.getCluster().addMembershipListener(new MembershipListener() {
@Override
public void memberAdded(MembershipEvent membershipEvent) {
}
@Override
public void memberRemoved(MembershipEvent membershipEvent) {
}
@Override
public void memberAttributeChanged(MemberAttributeEvent memberAttributeEvent) {
}
});
HazelcastClusterManager mgr = new HazelcastClusterManager();
VertxOptions options = new VertxOptions().setClusterManager(mgr).setClustered(true).setClusterHost("127.0.0.1");
AtomicReference<Vertx> vertx1 = new AtomicReference<>();
Vertx.clusteredVertx(options, res -> {
assertTrue(res.succeeded());
assertNotNull(mgr.getHazelcastInstance());
res.result().sharedData().getClusterWideMap("mymap1", ar -> {
ar.result().put("news", "hello", v -> {
vertx1.set(res.result());
});
});
});
assertWaitUntil(() -> vertx1.get() != null);
int size = mgr.getNodes().size();
assertTrue(mgr.getNodes().contains(nodeID));
// Retrieve the value inserted by vert.x
Map<Object, Object> map = instance.getMap("mymap1");
Map<Object, Object> anotherMap = instance.getMap("mymap2");
assertEquals(map.get("news"), "hello");
map.put("another-key", "stuff");
anotherMap.put("another-key", "stuff");
map.remove("news");
map.remove("another-key");
anotherMap.remove("another-key");
instance.shutdown();
assertWaitUntil(() -> mgr.getNodes().size() == size - 1);
vertx1.get().close();
vertx1.get().close(ar -> vertx1.set(null));
assertWaitUntil(() -> vertx1.get() == null);
}
@AfterClass
public static void afterTests() {
System.clearProperty("hazelcast.client.max.no.heartbeat.seconds");
}
}