How to use

org.apache.gossip.replication.DataCenterReplicable

constructor

@Test
public void dataReplicateDataCenterUnknownDataCenterTest() throws URISyntaxException {
 
 List<LocalMember> memberListDc1 = new ArrayList<>();
 memberListDc1
     .add(getLocalMemberDc(new URI("udp://10.0.0.1:8000"), "1", "DataCenter1", "Rack1"));
 Map<String, String> properties = new HashMap<>();
 LocalMember unknownDc = new LocalMember("cluster1", new URI("udp://10.0.1.2:8000"), "12", 0,
     properties, 1, 0, "");
 
 SharedDataMessage message = getSharedNodeData("datacenter1","I am in data center 1 rack 1", new DataCenterReplicable<>());
 // data should not replicate from dc1 to unknown node
 Assert.assertEquals(false, message.getReplicable()
     .shouldReplicate(memberListDc1.get(0), unknownDc, message));
 // data can replicate from unknown node to dc
 Assert.assertEquals(true, message.getReplicable()
     .shouldReplicate(unknownDc, memberListDc1.get(0), message));
}

@Test
public void dataReplicateDataCenterTest() throws URISyntaxException {
 
 List<LocalMember> memberListDc1 = new ArrayList<>();
 List<LocalMember> memberListDc2 = new ArrayList<>();
 memberListDc1
     .add(getLocalMemberDc(new URI("udp://10.0.0.1:8000"), "1", "DataCenter1", "Rack1"));
 memberListDc1
     .add(getLocalMemberDc(new URI("udp://10.0.0.2:8000"), "2", "DataCenter1", "Rack2"));
 memberListDc2
     .add(getLocalMemberDc(new URI("udp://10.0.1.1:8000"), "11", "DataCenter2", "Rack1"));
 memberListDc2
     .add(getLocalMemberDc(new URI("udp://10.0.1.2:8000"), "12", "DataCenter2", "Rack2"));
 SharedDataMessage message = getSharedNodeData("datacenter1", "I am in data center 1 rack 1",
     new DataCenterReplicable<>());
 // data should replicate in data center 1
 Assert.assertEquals(true, message.getReplicable()
     .shouldReplicate(memberListDc1.get(0), memberListDc1.get(1), message));
 Assert.assertEquals(true, message.getReplicable()
     .shouldReplicate(memberListDc2.get(0), memberListDc2.get(1), message));
 
 // data should not replicate to data center 2
 Assert.assertEquals(false, message.getReplicable()
     .shouldReplicate(memberListDc1.get(0), memberListDc2.get(0), message));
 Assert.assertEquals(false, message.getReplicable()
     .shouldReplicate(memberListDc1.get(1), memberListDc2.get(1), message));
}

new DataCenterReplicable<>()));
new DataCenterReplicable<>()));

new DataCenterReplicable<>()));
new DataCenterReplicable<>()));