| /* |
| * 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.gossip.manager; |
| |
| import java.io.File; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.UnknownHostException; |
| import java.util.Arrays; |
| import org.apache.gossip.GossipSettings; |
| import org.apache.gossip.RemoteMember; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class RingPersistenceTest { |
| |
| @Test |
| public void givenThatRingIsPersisted() throws UnknownHostException, InterruptedException, URISyntaxException { |
| GossipSettings settings = new GossipSettings(); |
| File f = aGossiperPersists(settings); |
| Assert.assertTrue(f.exists()); |
| aNewInstanceGetsRingInfo(settings); |
| f.delete(); |
| } |
| |
| private File aGossiperPersists(GossipSettings settings) throws UnknownHostException, InterruptedException, URISyntaxException { |
| GossipManager gossipService = GossipManagerBuilder.newBuilder() |
| .cluster("a") |
| .uri(new URI("udp://" + "127.0.0.1" + ":" + (29000 + 1))) |
| .id("1") |
| .gossipSettings(settings) |
| .gossipMembers( |
| Arrays.asList( |
| new RemoteMember("a", new URI("udp://" + "127.0.0.1" + ":" + (29000 + 0)), "0"), |
| new RemoteMember("a", new URI("udp://" + "127.0.0.1" + ":" + (29000 + 2)), "2"))).build(); |
| gossipService.getRingState().writeToDisk(); |
| return gossipService.getRingState().computeTarget(); |
| } |
| |
| private void aNewInstanceGetsRingInfo(GossipSettings settings) throws UnknownHostException, InterruptedException, URISyntaxException { |
| GossipManager gossipService2 = GossipManagerBuilder.newBuilder() |
| .cluster("a") |
| .uri(new URI("udp://" + "127.0.0.1" + ":" + (29000 + 1))) |
| .id("1") |
| .gossipSettings(settings).build(); |
| Assert.assertEquals(2, gossipService2.getMembers().size()); |
| } |
| |
| } |