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* 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.*;
import static org.junit.Assert.*;
import java.util.Properties;
import java.util.Set;
import org.junit.Test;
import org.junit.experimental.categories.Category;
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;
import org.apache.geode.test.junit.categories.DistributedTest;
/**
* Tests the functionality of the {@link RegionRoleListener} class.
*
* @since GemFire 5.0
*/
@Category(DistributedTest.class)
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 = this.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() {
public void run() {
Properties config = new Properties();
config.setProperty(ROLES, rolesProp[vm]);
getSystem(config);
}
});
}
// define RegionRoleListener
final RegionRoleListener listener = new RegionRoleListenerAdapter() {
public void afterRoleGain(RoleEvent event) {
RegionReliabilityListenerDUnitTest.rolesGain = event.getRequiredRoles();
}
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") {
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") {
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
}
}