@Test
public void testLiveInstanceInfoProvider() throws Exception {
System.out.println(
"START "
+ className
+ ".testLiveInstanceInfoProvider() at "
+ new Date(System.currentTimeMillis()));
final String clusterName = CLUSTER_PREFIX + "_" + className + "_liveInstanceInfoProvider";
class provider implements LiveInstanceInfoProvider {
boolean _flag = false;
public provider(boolean genSessionId) {
_flag = genSessionId;
}
@Override
public ZNRecord getAdditionalLiveInstanceInfo() {
ZNRecord record = new ZNRecord("info");
record.setSimpleField("simple", "value");
List<String> listFieldVal = new ArrayList<String>();
listFieldVal.add("val1");
listFieldVal.add("val2");
listFieldVal.add("val3");
record.setListField("list", listFieldVal);
Map<String, String> mapFieldVal = new HashMap<String, String>();
mapFieldVal.put("k1", "val1");
mapFieldVal.put("k2", "val2");
mapFieldVal.put("k3", "val3");
record.setMapField("map", mapFieldVal);
if (_flag) {
record.setSimpleField("SESSION_ID", "value");
record.setSimpleField("LIVE_INSTANCE", "value");
record.setSimpleField("Others", "value");
}
return record;
}
}
TestHelper.setupEmptyCluster(_gZkClient, clusterName);
int[] ids = {0, 1, 2, 3, 4, 5};
setupInstances(clusterName, ids);
// ///////////////////
ZKHelixManager manager =
new ZKHelixManager(clusterName, "localhost_0", InstanceType.PARTICIPANT, ZK_ADDR);
manager.connect();
HelixDataAccessor accessor = manager.getHelixDataAccessor();
LiveInstance liveInstance =
accessor.getProperty(accessor.keyBuilder().liveInstance("localhost_0"));
Assert.assertTrue(liveInstance.getRecord().getListFields().size() == 0);
Assert.assertTrue(liveInstance.getRecord().getMapFields().size() == 0);
Assert.assertTrue(liveInstance.getRecord().getSimpleFields().size() == 3);
manager = new ZKHelixManager(clusterName, "localhost_1", InstanceType.PARTICIPANT, ZK_ADDR);
manager.setLiveInstanceInfoProvider(new provider(false));
manager.connect();
accessor = manager.getHelixDataAccessor();
liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance("localhost_1"));
Assert.assertTrue(liveInstance.getRecord().getListFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getMapFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getSimpleFields().size() == 4);
manager = new ZKHelixManager(clusterName, "localhost_2", InstanceType.PARTICIPANT, ZK_ADDR);
manager.setLiveInstanceInfoProvider(new provider(true));
manager.connect();
accessor = manager.getHelixDataAccessor();
liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance("localhost_2"));
Assert.assertTrue(liveInstance.getRecord().getListFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getMapFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getSimpleFields().size() == 5);
Assert.assertFalse(liveInstance.getSessionId().equals("value"));
Assert.assertFalse(liveInstance.getLiveInstance().equals("value"));
// //////////////////////////////////
ZkHelixTestManager manager2 =
new ZkHelixTestManager(clusterName, "localhost_3", InstanceType.PARTICIPANT, ZK_ADDR);
manager2.setLiveInstanceInfoProvider(new provider(true));
manager2.connect();
accessor = manager2.getHelixDataAccessor();
liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance("localhost_3"));
Assert.assertTrue(liveInstance.getRecord().getListFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getMapFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getSimpleFields().size() == 5);
Assert.assertFalse(liveInstance.getSessionId().equals("value"));
Assert.assertFalse(liveInstance.getLiveInstance().equals("value"));
String sessionId = liveInstance.getSessionId();
ZkTestHelper.expireSession(manager2.getZkClient());
Thread.sleep(1000);
liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance("localhost_3"));
Assert.assertTrue(liveInstance.getRecord().getListFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getMapFields().size() == 1);
Assert.assertTrue(liveInstance.getRecord().getSimpleFields().size() == 5);
Assert.assertFalse(liveInstance.getSessionId().equals("value"));
Assert.assertFalse(liveInstance.getLiveInstance().equals("value"));
Assert.assertFalse(sessionId.equals(liveInstance.getSessionId()));
System.out.println(
"END "
+ className
+ ".testLiveInstanceInfoProvider() at "
+ new Date(System.currentTimeMillis()));
}
