/**
* Copyright (c) 2002-2011 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package jmx;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.File;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.neo4j.ha.CreateEmptyDb;
import org.neo4j.ha.LocalhostZooKeeperCluster;
import org.neo4j.ha.Neo4jHaCluster;
import org.neo4j.helpers.Pair;
import org.neo4j.helpers.collection.MapUtil;
import org.neo4j.jmx.Kernel;
import org.neo4j.kernel.HighlyAvailableGraphDatabase;
import org.neo4j.management.HighAvailability;
import org.neo4j.management.InstanceInfo;
import org.neo4j.management.Neo4jManager;
import org.neo4j.test.TargetDirectory;
public class TestHaBean
{
private static final TargetDirectory dir = TargetDirectory.forTest( TestHaBean.class );
private static LocalhostZooKeeperCluster zk;
private static HighlyAvailableGraphDatabase db;
@BeforeClass
public static void startDb() throws Exception
{
zk = new LocalhostZooKeeperCluster( dir,/*ports:*/2181, 2182 );
File storeDir = dir.graphDbDir( /*clean=*/true );
CreateEmptyDb.at( storeDir );
db = Neo4jHaCluster.single( zk, storeDir, /*HA port:*/3377, //
MapUtil.stringMap( "jmx.port", "9913" ) );
}
@AfterClass
public static void stopDb()
{
if ( db != null ) db.shutdown();
db = null;
if ( zk != null ) zk.shutdown();
zk = null;
dir.cleanup();
}
@Test
public void canGetHaBean() throws Exception
{
Neo4jManager neo4j = new Neo4jManager( db.getManagementBean( Kernel.class ) );
HighAvailability ha = neo4j.getHighAvailabilityBean();
assertNotNull( "could not get ha bean", ha );
assertTrue( "single instance should be master", ha.isMaster() );
}
@Test
public void canGetInstanceConnectionInformation() throws Exception
{
Neo4jManager neo4j = new Neo4jManager( db.getManagementBean( Kernel.class ) );
InstanceInfo[] instances = neo4j.getHighAvailabilityBean().getInstancesInCluster();
assertNotNull( instances );
assertEquals( 1, instances.length );
InstanceInfo instance = instances[0];
assertNotNull( instance );
String address = instance.getAddress();
assertNotNull( "No JMX address for instance", address );
String id = instance.getInstanceId();
assertNotNull( "No instance id", id );
}
@Test
public void canConnectToInstance() throws Exception
{
Neo4jManager neo4j = new Neo4jManager( db.getManagementBean( Kernel.class ) );
HighAvailability ha = neo4j.getHighAvailabilityBean();
InstanceInfo[] instances = ha.getInstancesInCluster();
assertNotNull( instances );
assertEquals( 1, instances.length );
InstanceInfo instance = instances[0];
assertNotNull( instance );
Pair<Neo4jManager, HighAvailability> proc = instance.connect();
assertNotNull( "could not connect", proc );
neo4j = proc.first();
ha = proc.other();
assertNotNull( neo4j );
assertNotNull( ha );
instances = ha.getInstancesInCluster();
assertNotNull( instances );
assertEquals( 1, instances.length );
assertEquals( instance.getAddress(), instances[0].getAddress() );
assertEquals( instance.getInstanceId(), instances[0].getInstanceId() );
}
}