| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF 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 org.apache.geode.cache30; |
| |
| import static org.apache.geode.distributed.ConfigurationProperties.ROLES; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import java.util.Properties; |
| import java.util.Set; |
| |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.AttributesFactory; |
| import org.apache.geode.cache.CacheException; |
| import org.apache.geode.cache.LossAction; |
| import org.apache.geode.cache.MembershipAttributes; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RegionAttributes; |
| import org.apache.geode.cache.RegionRoleListener; |
| import org.apache.geode.cache.ResumptionAction; |
| import org.apache.geode.cache.RoleEvent; |
| import org.apache.geode.cache.Scope; |
| import org.apache.geode.cache.util.RegionRoleListenerAdapter; |
| import org.apache.geode.distributed.Role; |
| import org.apache.geode.distributed.internal.membership.InternalRole; |
| import org.apache.geode.test.dunit.Host; |
| import org.apache.geode.test.dunit.SerializableRunnable; |
| |
| /** |
| * Tests the functionality of the {@link RegionRoleListener} class. |
| * |
| * @since GemFire 5.0 |
| */ |
| |
| public class RegionReliabilityListenerDUnitTest extends ReliabilityTestCase { |
| |
| protected static transient Set rolesGain = null; |
| protected static transient Set rolesLoss = null; |
| |
| public RegionReliabilityListenerDUnitTest() { |
| super(); |
| } |
| |
| /** |
| * Tests the notification of afterRoleGain and afterRoleLoss |
| */ |
| @Test |
| public void testRoleGainAndLoss() throws Exception { |
| final String name = getUniqueName(); |
| final int vm0 = 0; |
| final int vm1 = 1; |
| final int vm2 = 2; |
| final int vm3 = 3; |
| |
| final String roleA = name + "-A"; |
| final String roleC = name + "-C"; |
| final String roleD = name + "-D"; |
| |
| // assign names to 4 vms... |
| final String[] requiredRoles = {roleA, roleC, roleD}; |
| final String[] rolesProp = {"", roleA, roleA, roleC + "," + roleD}; |
| final String[][] vmRoles = new String[][] {{}, {roleA}, {roleA}, {roleC, roleD}}; |
| for (int i = 0; i < vmRoles.length; i++) { |
| final int vm = i; |
| Host.getHost(0).getVM(vm).invoke(new SerializableRunnable() { |
| @Override |
| public void run() { |
| Properties config = new Properties(); |
| config.setProperty(ROLES, rolesProp[vm]); |
| getSystem(config); |
| } |
| }); |
| } |
| |
| // define RegionRoleListener |
| final RegionRoleListener listener = new RegionRoleListenerAdapter() { |
| @Override |
| public void afterRoleGain(RoleEvent event) { |
| RegionReliabilityListenerDUnitTest.rolesGain = event.getRequiredRoles(); |
| } |
| |
| @Override |
| public void afterRoleLoss(RoleEvent event) { |
| RegionReliabilityListenerDUnitTest.rolesLoss = event.getRequiredRoles(); |
| } |
| }; |
| |
| // connect controller to system... |
| Properties config = new Properties(); |
| config.setProperty(ROLES, ""); |
| getSystem(config); |
| |
| // create region in controller... |
| MembershipAttributes ra = |
| new MembershipAttributes(requiredRoles, LossAction.FULL_ACCESS, ResumptionAction.NONE); |
| |
| AttributesFactory fac = new AttributesFactory(); |
| fac.addCacheListener(listener); |
| fac.setMembershipAttributes(ra); |
| fac.setScope(Scope.DISTRIBUTED_ACK); |
| |
| RegionAttributes attr = fac.create(); |
| createRootRegion(name, attr); |
| |
| // wait for memberTimeout to expire |
| waitForMemberTimeout(); |
| |
| // assert in state of role loss... test all are missing according to RequiredRoles |
| assertMissingRoles(name, requiredRoles); |
| |
| // assert gain is fired... |
| SerializableRunnable create = new CacheSerializableRunnable("Create Region") { |
| @Override |
| public void run2() throws CacheException { |
| AttributesFactory fac = new AttributesFactory(); |
| fac.setScope(Scope.DISTRIBUTED_ACK); |
| RegionAttributes attr = fac.create(); |
| createRootRegion(name, attr); |
| } |
| }; |
| |
| // create region in vm0... no gain for no role |
| Host.getHost(0).getVM(vm0).invoke(create); |
| assertNull(rolesGain); |
| assertNull(rolesLoss); |
| assertMissingRoles(name, requiredRoles); |
| |
| // create region in vm1... gain for 1st instance of redundant role |
| Host.getHost(0).getVM(vm1).invoke(create); |
| assertNotNull(rolesGain); |
| assertEquals(vmRoles[vm1].length, rolesGain.size()); |
| for (int i = 0; i < vmRoles[vm1].length; i++) { |
| Role role = InternalRole.getRole(vmRoles[vm1][i]); |
| assertEquals(true, rolesGain.contains(role)); |
| } |
| assertNull(rolesLoss); |
| rolesGain = null; |
| assertMissingRoles(name, vmRoles[vm3]); // only vm3 has missing roles |
| |
| // create region in vm2... no gain for 2nd instance of redundant role |
| Host.getHost(0).getVM(vm2).invoke(create); |
| assertNull(rolesGain); |
| assertNull(rolesLoss); |
| assertMissingRoles(name, vmRoles[vm3]); // only vm3 has missing roles |
| |
| // create region in vm3... gain for 2 roles |
| Host.getHost(0).getVM(vm3).invoke(create); |
| assertNotNull(rolesGain); |
| assertEquals(vmRoles[vm3].length, rolesGain.size()); |
| for (int i = 0; i < vmRoles[vm3].length; i++) { |
| Role role = InternalRole.getRole(vmRoles[vm3][i]); |
| assertEquals(true, rolesGain.contains(role)); |
| } |
| assertNull(rolesLoss); |
| rolesGain = null; |
| assertMissingRoles(name, new String[0]); // no missing roles |
| |
| // assert loss is fired... |
| SerializableRunnable destroy = new CacheSerializableRunnable("Destroy Region") { |
| @Override |
| public void run2() throws CacheException { |
| Region region = getRootRegion(name); |
| region.localDestroyRegion(); |
| } |
| }; |
| |
| // destroy region in vm0... no loss of any role |
| Host.getHost(0).getVM(vm0).invoke(destroy); |
| assertNull(rolesGain); |
| assertNull(rolesLoss); |
| assertMissingRoles(name, new String[0]); // no missing roles |
| |
| // destroy region in vm1... nothing happens in 1st removal of redundant role |
| Host.getHost(0).getVM(vm1).invoke(destroy); |
| assertNull(rolesGain); |
| assertNull(rolesLoss); |
| assertMissingRoles(name, new String[0]); // no missing roles |
| |
| // destroy region in vm2... 2nd removal of redundant role is loss |
| Host.getHost(0).getVM(vm2).invoke(destroy); |
| assertNull(rolesGain); |
| assertNotNull(rolesLoss); |
| assertEquals(vmRoles[vm2].length, rolesLoss.size()); |
| for (int i = 0; i < vmRoles[vm2].length; i++) { |
| Role role = InternalRole.getRole(vmRoles[vm2][i]); |
| assertEquals(true, rolesLoss.contains(role)); |
| } |
| rolesLoss = null; |
| assertMissingRoles(name, vmRoles[vm2]); // only vm2 has missing roles |
| |
| // destroy region in vm3... two more roles are in loss |
| Host.getHost(0).getVM(vm3).invoke(destroy); |
| assertNull(rolesGain); |
| assertNotNull(rolesLoss); |
| assertEquals(vmRoles[vm3].length, rolesLoss.size()); |
| for (int i = 0; i < vmRoles[vm3].length; i++) { |
| Role role = InternalRole.getRole(vmRoles[vm3][i]); |
| assertEquals(true, rolesLoss.contains(role)); |
| } |
| rolesLoss = null; |
| assertMissingRoles(name, requiredRoles); // all roles are missing |
| } |
| |
| } |