/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.cluster;
import com.hazelcast.config.Config;
import com.hazelcast.config.MemberAttributeConfig;
import com.hazelcast.core.*;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.*;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class MemberAttributeTest extends HazelcastTestSupport {
@Test(timeout = 120000)
public void testConfigAttributes() throws Exception {
Config config = new Config();
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
MemberAttributeConfig memberAttributeConfig = config.getMemberAttributeConfig();
memberAttributeConfig.setIntAttribute("Test", 123);
HazelcastInstance h1 = factory.newHazelcastInstance(config);
Member m1 = h1.getCluster().getLocalMember();
assertEquals(123, (int) m1.getIntAttribute("Test"));
HazelcastInstance h2 = factory.newHazelcastInstance(config);
Member m2 = h2.getCluster().getLocalMember();
assertEquals(123, (int) m2.getIntAttribute("Test"));
assertEquals(2, h1.getCluster().getMembers().size());
assertEquals(2, h2.getCluster().getMembers().size());
Member member = null;
for (Member m : h2.getCluster().getMembers()) {
if (m == h2.getCluster().getLocalMember())
continue;
member = m;
}
assertNotNull(member);
assertEquals(m1, member);
assertNotNull(member.getIntAttribute("Test"));
assertEquals(123, (int) member.getIntAttribute("Test"));
for (Member m : h1.getCluster().getMembers()) {
if (m == h1.getCluster().getLocalMember())
continue;
member = m;
}
assertNotNull(member);
assertEquals(m2, member);
assertNotNull(member.getIntAttribute("Test"));
assertEquals(123, (int) member.getIntAttribute("Test"));
h1.shutdown();
h2.shutdown();
}
@Test(timeout = 120000)
public void testPresharedAttributes() throws Exception {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
HazelcastInstance h1 = factory.newHazelcastInstance();
Member m1 = h1.getCluster().getLocalMember();
m1.setIntAttribute("Test", 123);
HazelcastInstance h2 = factory.newHazelcastInstance();
assertEquals(2, h2.getCluster().getMembers().size());
Member member = null;
for (Member m : h2.getCluster().getMembers()) {
if (m == h2.getCluster().getLocalMember())
continue;
member = m;
}
assertNotNull(member);
assertEquals(m1, member);
assertNotNull(member.getIntAttribute("Test"));
assertEquals(123, (int) member.getIntAttribute("Test"));
h1.shutdown();
h2.shutdown();
}
@Test(timeout = 120000)
public void testAddAttributes() throws Exception {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
HazelcastInstance h1 = factory.newHazelcastInstance();
Member m1 = h1.getCluster().getLocalMember();
m1.setIntAttribute("Test", 123);
HazelcastInstance h2 = factory.newHazelcastInstance();
assertEquals(2, h2.getCluster().getMembers().size());
Member member = null;
for (Member m : h2.getCluster().getMembers()) {
if (m == h2.getCluster().getLocalMember())
continue;
member = m;
}
assertNotNull(member);
assertEquals(m1, member);
assertNotNull(member.getIntAttribute("Test"));
assertEquals(123, (int) member.getIntAttribute("Test"));
final CountDownLatch latch = new CountDownLatch(2);
final MembershipListener listener = new LatchMembershipListener(latch);
h2.getCluster().addMembershipListener(listener);
h1.getCluster().addMembershipListener(listener);
m1.setIntAttribute("Test2", 321);
// Force sleep to distribute value
assertOpenEventually(latch);
assertNotNull(member.getIntAttribute("Test2"));
assertEquals(321, (int) member.getIntAttribute("Test2"));
h1.shutdown();
h2.shutdown();
}
@Test(timeout = 120000)
public void testChangeAttributes() throws Exception {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
HazelcastInstance h1 = factory.newHazelcastInstance();
Member m1 = h1.getCluster().getLocalMember();
m1.setIntAttribute("Test", 123);
HazelcastInstance h2 = factory.newHazelcastInstance();
assertEquals(2, h2.getCluster().getMembers().size());
Member member = null;
for (Member m : h2.getCluster().getMembers()) {
if (m == h2.getCluster().getLocalMember())
continue;
member = m;
}
assertNotNull(member);
assertEquals(m1, member);
assertNotNull(member.getIntAttribute("Test"));
assertEquals(123, (int) member.getIntAttribute("Test"));
final CountDownLatch latch = new CountDownLatch(2);
final MembershipListener listener = new LatchMembershipListener(latch);
h2.getCluster().addMembershipListener(listener);
h1.getCluster().addMembershipListener(listener);
m1.setIntAttribute("Test", 321);
// Force sleep to distribute value
assertOpenEventually(latch);
assertNotNull(member.getIntAttribute("Test"));
assertEquals(321, (int) member.getIntAttribute("Test"));
h1.shutdown();
h2.shutdown();
}
@Test(timeout = 120000)
public void testRemoveAttributes() throws Exception {
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
HazelcastInstance h1 = factory.newHazelcastInstance();
Member m1 = h1.getCluster().getLocalMember();
m1.setIntAttribute("Test", 123);
HazelcastInstance h2 = factory.newHazelcastInstance();
assertEquals(2, h2.getCluster().getMembers().size());
Member member = null;
for (Member m : h2.getCluster().getMembers()) {
if (m == h2.getCluster().getLocalMember())
continue;
member = m;
}
assertNotNull(member);
assertEquals(m1, member);
assertNotNull(member.getIntAttribute("Test"));
assertEquals(123, (int) member.getIntAttribute("Test"));
final CountDownLatch latch = new CountDownLatch(2);
final MembershipListener listener = new LatchMembershipListener(latch);
h2.getCluster().addMembershipListener(listener);
h1.getCluster().addMembershipListener(listener);
m1.removeAttribute("Test");
// Force sleep to distribute value
assertOpenEventually(latch);
assertNull(member.getIntAttribute("Test"));
h1.shutdown();
h2.shutdown();
}
@Test(timeout = 120000)
public void testCommandLineAttributes() throws Exception {
System.setProperty("hazelcast.member.attribute.Test-2", "1234");
System.setProperty("hazelcast.member.attribute.Test-3", "12345");
System.setProperty("hazelcast.member.attribute.Test-4", "123456");
Config config = new Config();
config.getMemberAttributeConfig().setIntAttribute("Test-1", 123);
config.getMemberAttributeConfig().setIntAttribute("Test-2", 123);
HazelcastInstance h1 = createHazelcastInstance(config);
Member m1 = h1.getCluster().getLocalMember();
m1.setIntAttribute("Test-4", 1234567);
assertEquals(123, (int) m1.getIntAttribute("Test-1"));
assertEquals("1234", m1.getStringAttribute("Test-2"));
assertEquals("12345", m1.getStringAttribute("Test-3"));
assertEquals(1234567, (int) m1.getIntAttribute("Test-4"));
h1.shutdown();
}
private static class LatchMembershipListener implements MembershipListener {
private final CountDownLatch latch;
private LatchMembershipListener(CountDownLatch latch) {
this.latch = latch;
}
@Override
public void memberAdded(MembershipEvent membershipEvent) {
}
@Override
public void memberRemoved(MembershipEvent membershipEvent) {
}
@Override
public void memberAttributeChanged(MemberAttributeEvent memberAttributeEvent) {
latch.countDown();
}
}
}