/*
* Copyright (c) 2008-2017, 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.cluster.memberselector.MemberSelectors;
import com.hazelcast.config.Config;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.Member;
import com.hazelcast.internal.cluster.ClusterService;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.Collection;
import static com.hazelcast.cluster.memberselector.MemberSelectors.DATA_MEMBER_SELECTOR;
import static com.hazelcast.cluster.memberselector.MemberSelectors.LITE_MEMBER_SELECTOR;
import static com.hazelcast.cluster.memberselector.MemberSelectors.LOCAL_MEMBER_SELECTOR;
import static com.hazelcast.cluster.memberselector.MemberSelectors.NON_LOCAL_MEMBER_SELECTOR;
import static junit.framework.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClusterServiceMemberListTest
extends HazelcastTestSupport {
private Config liteConfig = new Config().setLiteMember(true);
private TestHazelcastInstanceFactory factory;
private HazelcastInstance liteInstance;
private HazelcastInstance dataInstance;
private HazelcastInstance dataInstance2;
@Before
public void before() {
factory = createHazelcastInstanceFactory(3);
liteInstance = factory.newHazelcastInstance(liteConfig);
dataInstance = factory.newHazelcastInstance();
dataInstance2 = factory.newHazelcastInstance();
}
@After
public void after() {
factory.terminateAll();
}
@Test
public void testGetMembersWithMemberSelector() {
assertTrueEventually(new AssertTask() {
@Override
public void run()
throws Exception {
verifyMembersFromLiteMember(liteInstance);
verifyMembersFromDataMember(dataInstance);
verifyMembersFromDataMember(dataInstance2);
}
});
}
@Test
public void testSizeWithMemberSelector() {
assertTrueEventually(new AssertTask() {
@Override
public void run()
throws Exception {
verifySizeFromLiteMember(liteInstance);
verifySizeFromDataMember(dataInstance);
verifySizeFromDataMember(dataInstance2);
}
});
}
private void verifyMembersFromLiteMember(final HazelcastInstance instance) {
final Member localMember = getLocalMember(instance);
final ClusterService clusterService = getClusterService(instance);
final Collection<Member> liteMembers = clusterService.getMembers(LITE_MEMBER_SELECTOR);
final Collection<Member> dataMembers = clusterService.getMembers(DATA_MEMBER_SELECTOR);
assertContains(liteMembers, localMember);
assertNotContains(dataMembers, localMember);
final Collection<Member> liteMembersWithoutThis = clusterService
.getMembers(MemberSelectors.and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertNotContains(liteMembersWithoutThis, localMember);
final Collection<Member> dataMembersWithThis = clusterService
.getMembers(MemberSelectors.or(DATA_MEMBER_SELECTOR, LOCAL_MEMBER_SELECTOR));
assertContains(dataMembersWithThis, localMember);
}
private void verifyMembersFromDataMember(final HazelcastInstance instance) {
final Member localMember = getLocalMember(instance);
final ClusterService clusterService = getClusterService(instance);
final Collection<Member> liteMembers = clusterService.getMembers(LITE_MEMBER_SELECTOR);
final Collection<Member> dataMembers = clusterService.getMembers(DATA_MEMBER_SELECTOR);
assertContains(dataMembers, localMember);
assertNotContains(liteMembers, localMember);
final Collection<Member> dataMembersWithoutThis = clusterService
.getMembers(MemberSelectors.and(DATA_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR));
assertNotContains(dataMembersWithoutThis, localMember);
final Collection<Member> liteMembersWithThis = clusterService
.getMembers(MemberSelectors.or(LITE_MEMBER_SELECTOR, LOCAL_MEMBER_SELECTOR));
assertContains(liteMembersWithThis, localMember);
}
private void verifySizeFromLiteMember(final HazelcastInstance instance) {
final ClusterService clusterService = getClusterService(instance);
assertEquals(1, clusterService.getSize(MemberSelectors.LITE_MEMBER_SELECTOR));
assertEquals(2, clusterService.getSize(MemberSelectors.DATA_MEMBER_SELECTOR));
assertEquals(0, clusterService.getSize(MemberSelectors.and(LITE_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR)));
assertEquals(3, clusterService.getSize(MemberSelectors.or(DATA_MEMBER_SELECTOR, LOCAL_MEMBER_SELECTOR)));
}
private void verifySizeFromDataMember(final HazelcastInstance instance) {
final ClusterService clusterService = getClusterService(instance);
assertEquals(1, clusterService.getSize(MemberSelectors.LITE_MEMBER_SELECTOR));
assertEquals(2, clusterService.getSize(MemberSelectors.DATA_MEMBER_SELECTOR));
assertEquals(1, clusterService.getSize(MemberSelectors.and(DATA_MEMBER_SELECTOR, NON_LOCAL_MEMBER_SELECTOR)));
assertEquals(2, clusterService.getSize(MemberSelectors.or(LITE_MEMBER_SELECTOR, LOCAL_MEMBER_SELECTOR)));
}
private Member getLocalMember(HazelcastInstance instance) {
return getNode(instance).getLocalMember();
}
}