org.apache.helix.manager.zk.ZKHelixDataAccessor.setProperty()方法的使用及代码示例

x33g5p2x  于2022-02-05 转载在 其他  
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本文整理了Java中org.apache.helix.manager.zk.ZKHelixDataAccessor.setProperty()方法的一些代码示例，展示了ZKHelixDataAccessor.setProperty()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ZKHelixDataAccessor.setProperty()方法的具体详情如下：
包路径：org.apache.helix.manager.zk.ZKHelixDataAccessor
类名称：ZKHelixDataAccessor
方法名：setProperty

ZKHelixDataAccessor.setProperty介绍

暂无

代码示例

代码示例来源：origin: org.apache.helix/helix-core

private void persistHistory(ParticipantHistory history) {
 PropertyKey propertyKey = _keyBuilder.participantHistory(_instanceName);
 if (!_dataAccessor.setProperty(propertyKey, history)) {
  LOG.error("Failed to persist participant history to zk!");
 }
}

代码示例来源：origin: apache/helix

private void persistHistory(ParticipantHistory history) {
 PropertyKey propertyKey = _keyBuilder.participantHistory(_instanceName);
 if (!_dataAccessor.setProperty(propertyKey, history)) {
  LOG.error("Failed to persist participant history to zk!");
 }
}

代码示例来源：origin: org.apache.helix/helix-core

@Override
public void addClusterToGrandCluster(String clusterName, String grandCluster) {
 logger.info("Add cluster {} to grand cluster {}.", clusterName, grandCluster);
 if (!ZKUtil.isClusterSetup(grandCluster, _zkClient)) {
  throw new HelixException("Grand cluster " + grandCluster + " is not setup yet");
 }
 if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
  throw new HelixException("Cluster " + clusterName + " is not setup yet");
 }
 IdealState idealState = new IdealState(clusterName);
 idealState.setNumPartitions(1);
 idealState.setStateModelDefRef("LeaderStandby");
 List<String> controllers = getInstancesInCluster(grandCluster);
 if (controllers.size() == 0) {
  throw new HelixException("Grand cluster " + grandCluster + " has no instances");
 }
 idealState.setReplicas(Integer.toString(controllers.size()));
 Collections.shuffle(controllers);
 idealState.getRecord().setListField(clusterName, controllers);
 idealState.setPartitionState(clusterName, controllers.get(0), "LEADER");
 for (int i = 1; i < controllers.size(); i++) {
  idealState.setPartitionState(clusterName, controllers.get(i), "STANDBY");
 }
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(grandCluster, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
 Builder keyBuilder = accessor.keyBuilder();
 accessor.setProperty(keyBuilder.idealStates(idealState.getResourceName()), idealState);
}

代码示例来源：origin: apache/helix

@Override
public void addClusterToGrandCluster(String clusterName, String grandCluster) {
 logger.info("Add cluster {} to grand cluster {}.", clusterName, grandCluster);
 if (!ZKUtil.isClusterSetup(grandCluster, _zkClient)) {
  throw new HelixException("Grand cluster " + grandCluster + " is not setup yet");
 }
 if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
  throw new HelixException("Cluster " + clusterName + " is not setup yet");
 }
 IdealState idealState = new IdealState(clusterName);
 idealState.setNumPartitions(1);
 idealState.setStateModelDefRef("LeaderStandby");
 List<String> controllers = getInstancesInCluster(grandCluster);
 if (controllers.size() == 0) {
  throw new HelixException("Grand cluster " + grandCluster + " has no instances");
 }
 idealState.setReplicas(Integer.toString(controllers.size()));
 Collections.shuffle(controllers);
 idealState.getRecord().setListField(clusterName, controllers);
 idealState.setPartitionState(clusterName, controllers.get(0), "LEADER");
 for (int i = 1; i < controllers.size(); i++) {
  idealState.setPartitionState(clusterName, controllers.get(i), "STANDBY");
 }
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(grandCluster, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
 Builder keyBuilder = accessor.keyBuilder();
 accessor.setProperty(keyBuilder.idealStates(idealState.getResourceName()), idealState);
}

代码示例来源：origin: org.apache.helix/helix-core

@Override
public void removeInstanceTag(String clusterName, String instanceName, String tag) {
 logger.info("Remove instance tag {} for instance {} in cluster {}.", tag, instanceName,
   clusterName);
 if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
  throw new HelixException("cluster " + clusterName + " is not setup yet");
 }
 if (!ZKUtil.isInstanceSetup(_zkClient, clusterName, instanceName, InstanceType.PARTICIPANT)) {
  throw new HelixException(
    "cluster " + clusterName + " instance " + instanceName + " is not setup yet");
 }
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
 Builder keyBuilder = accessor.keyBuilder();
 InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
 config.removeTag(tag);
 accessor.setProperty(keyBuilder.instanceConfig(instanceName), config);
}

代码示例来源：origin: apache/helix

@Override
public void removeInstanceTag(String clusterName, String instanceName, String tag) {
 logger.info("Remove instance tag {} for instance {} in cluster {}.", tag, instanceName,
   clusterName);
 if (!ZKUtil.isClusterSetup(clusterName, _zkClient)) {
  throw new HelixException("cluster " + clusterName + " is not setup yet");
 }
 if (!ZKUtil.isInstanceSetup(_zkClient, clusterName, instanceName, InstanceType.PARTICIPANT)) {
  throw new HelixException(
    "cluster " + clusterName + " instance " + instanceName + " is not setup yet");
 }
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
 Builder keyBuilder = accessor.keyBuilder();
 InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
 config.removeTag(tag);
 accessor.setProperty(keyBuilder.instanceConfig(instanceName), config);
}

代码示例来源：origin: apache/helix

protected List<IdealState> setupIdealState(String clusterName, int[] nodes, String[] resources,
  int partitions, int replicas) {
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
 Builder keyBuilder = accessor.keyBuilder();
 List<IdealState> idealStates = new ArrayList<IdealState>();
 List<String> instances = new ArrayList<String>();
 for (int i : nodes) {
  instances.add("localhost_" + i);
 }
 for (String resourceName : resources) {
  IdealState idealState = new IdealState(resourceName);
  for (int p = 0; p < partitions; p++) {
   List<String> value = new ArrayList<String>();
   for (int r = 0; r < replicas; r++) {
    int n = nodes[(p + r) % nodes.length];
    value.add("localhost_" + n);
   }
   idealState.getRecord().setListField(resourceName + "_" + p, value);
  }
  idealState.setReplicas(Integer.toString(replicas));
  idealState.setStateModelDefRef("MasterSlave");
  idealState.setRebalanceMode(IdealState.RebalanceMode.SEMI_AUTO);
  idealState.setNumPartitions(partitions);
  idealStates.add(idealState);
  // System.out.println(idealState);
  accessor.setProperty(keyBuilder.idealStates(resourceName), idealState);
 }
 return idealStates;
}

代码示例来源：origin: apache/helix

@Test()
public void testRenamePartitionAutoIS() throws Exception {
 String clusterName = "CLUSTER_" + getShortClassName() + "_auto";
 System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
 TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port
   "localhost", // participant name prefix
   "TestDB", // resource name prefix
   1, // resources
   10, // partitions per resource
   5, // number of nodes
   3, // replicas
   "MasterSlave", true); // do rebalance
 startAndVerify(clusterName);
 // rename partition name TestDB0_0 tp TestDB0_100
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
 Builder keyBuilder = accessor.keyBuilder();
 IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
 List<String> prioList = idealState.getRecord().getListFields().remove("TestDB0_0");
 idealState.getRecord().getListFields().put("TestDB0_100", prioList);
 accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
 boolean result =
   ClusterStateVerifier.verifyByPolling(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(
     ZK_ADDR, clusterName));
 Assert.assertTrue(result);
 stop(clusterName);
 System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
}

代码示例来源：origin: apache/helix

protected void setupStateModel(String clusterName) {
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
 Builder keyBuilder = accessor.keyBuilder();
 StateModelDefinition masterSlave =
   new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
 accessor.setProperty(keyBuilder.stateModelDef(masterSlave.getId()), masterSlave);
 StateModelDefinition leaderStandby =
   new StateModelDefinition(StateModelConfigGenerator.generateConfigForLeaderStandby());
 accessor.setProperty(keyBuilder.stateModelDef(leaderStandby.getId()), leaderStandby);
 StateModelDefinition onlineOffline =
   new StateModelDefinition(StateModelConfigGenerator.generateConfigForOnlineOffline());
 accessor.setProperty(keyBuilder.stateModelDef(onlineOffline.getId()), onlineOffline);
}

代码示例来源：origin: apache/helix

Builder keyBuilder = accessor.keyBuilder();
accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

代码示例来源：origin: apache/helix

private void setupCluster(String clusterName, ZKHelixDataAccessor accessor) throws Exception {
 TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port
   "localhost", // participant name prefix
   resourceNamePrefix, // resource name prefix
   1, // resources
   15, // partitions per resource
   participantCount, // number of nodes
   3, // replicas
   "MasterSlave", IdealState.RebalanceMode.FULL_AUTO, true); // do rebalance
 PropertyKey.Builder keyBuilder = accessor.keyBuilder();
 ClusterConfig clusterConfig = accessor.getProperty(accessor.keyBuilder().clusterConfig());
 clusterConfig.setResourcePriorityField("Name");
 List<StateTransitionThrottleConfig> throttleConfigs = new ArrayList<>();
 throttleConfigs.add(
   new StateTransitionThrottleConfig(StateTransitionThrottleConfig.RebalanceType.LOAD_BALANCE,
     StateTransitionThrottleConfig.ThrottleScope.CLUSTER, 100));
 throttleConfigs.add(new StateTransitionThrottleConfig(
   StateTransitionThrottleConfig.RebalanceType.RECOVERY_BALANCE,
   StateTransitionThrottleConfig.ThrottleScope.CLUSTER, 100));
 clusterConfig.setStateTransitionThrottleConfigs(throttleConfigs);
 accessor.setProperty(keyBuilder.clusterConfig(), clusterConfig);
}

代码示例来源：origin: apache/helix

private void setupCluster(String clusterName, List<String> instanceNames, String dbName,
  int replica, int partitions, int bucketSize) {
 _gSetupTool.addCluster(clusterName, true);
 _gSetupTool.addInstancesToCluster(clusterName,
   instanceNames.toArray(new String[instanceNames.size()]));
 // add a bucketized resource
 ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, _baseAccessor);
 PropertyKey.Builder keyBuilder = accessor.keyBuilder();
 ZNRecord idealStateRec =
   DefaultIdealStateCalculator.calculateIdealState(instanceNames, partitions, replica - 1,
     dbName,
     "MASTER", "SLAVE");
 IdealState idealState = new IdealState(idealStateRec);
 idealState.setBucketSize(bucketSize);
 idealState.setStateModelDefRef("MasterSlave");
 idealState.setRebalanceMode(IdealState.RebalanceMode.CUSTOMIZED);
 idealState.setReplicas(Integer.toString(replica));
 accessor.setProperty(keyBuilder.idealStates(dbName), idealState);
}

代码示例来源：origin: apache/helix

IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
idealState.setRebalanceMode(RebalanceMode.CUSTOMIZED);
accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

代码示例来源：origin: apache/helix

public void createExternalView(List<String> instanceNames, int partitions, int replicas,
  String dbName, long randomSeed) {
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(client));
 Builder keyBuilder = accessor.keyBuilder();
 ExternalView externalView =
   new ExternalView(computeRoutingTable(instanceNames, partitions, replicas, dbName,
     randomSeed));
 accessor.setProperty(keyBuilder.externalView(dbName), externalView);
}

代码示例来源：origin: apache/helix

private void setCurrentState(String clusterName, String instance, String resourceGroupName,
  String resourceKey, String sessionId, String state, boolean updateTimestamp) {
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
 Builder keyBuilder = accessor.keyBuilder();
 CurrentState curState = new CurrentState(resourceGroupName);
 curState.setState(resourceKey, state);
 curState.setSessionId(sessionId);
 curState.setStateModelDefRef("MasterSlave");
 if (updateTimestamp) {
  curState.setEndTime(resourceKey, System.currentTimeMillis());
 }
 accessor.setProperty(keyBuilder.currentState(instance, sessionId, resourceGroupName), curState);
}

代码示例来源：origin: apache/helix

protected void setupLiveInstances(String clusterName, int[] liveInstances) {
 ZKHelixDataAccessor accessor =
   new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
 Builder keyBuilder = accessor.keyBuilder();
 for (int i = 0; i < liveInstances.length; i++) {
  String instance = "localhost_" + liveInstances[i];
  LiveInstance liveInstance = new LiveInstance(instance);
  liveInstance.setSessionId("session_" + liveInstances[i]);
  liveInstance.setHelixVersion("0.0.0");
  accessor.setProperty(keyBuilder.liveInstance(instance), liveInstance);
 }
}

代码示例来源：origin: apache/helix

liveInstance.setSessionId("session_0");
liveInstance.setHelixVersion("version_0");
accessor.setProperty(keyBuilder.liveInstance("localhost_12918"), liveInstance);

代码示例来源：origin: apache/helix

accessor.setProperty(keyBuilder.liveInstance(instance), liveInstance);

代码示例来源：origin: apache/helix

idealState.getRecord()
  .setListField("TestDB0_0", Arrays.asList(HelixConstants.StateModelToken.ANY_LIVEINSTANCE.toString()));
accessor.setProperty(key, idealState);

代码示例来源：origin: apache/helix

IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
idealState.setBatchMessageMode(true);
accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

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