Examples of ZkClient

com.linkedin.helix.manager.zk.ZkClient
ZKClient does not provide some functionalities, this will be used for quick fixes if any bug found in ZKClient or if we need additional features but can't wait for the new ZkClient jar Ideally we should commit the changes we do here to ZKClient. @author kgopalak
org.I0Itec.zkclient.ZkClient
Abstracts the interaction with zookeeper and allows permanent (not just one time) watches on nodes in ZooKeeper
org.apache.activemq.leveldb.replicated.groups.ZKClient
org.apache.hadoop.yarn.lib.ZKClient
ZK Registration Library currently does not use any authorization
org.apache.helix.manager.zk.ZkClient
ZKClient does not provide some functionalities, this will be used for quick fixes if any bug found in ZKClient or if we need additional features but can't wait for the new ZkClient jar Ideally we should commit the changes we do here to ZKClient.
org.apache.s4.comm.topology.ZkClient
Overwriting the ZKclient since the org.I0Itec.zkclient.ZkClient does not expose some important methods
org.apache.twill.zookeeper.ZKClient
A ZooKeeper client that provides asynchronous zookeeper operations.

Examples of org.apache.helix.manager.zk.ZkClient

  {
    try
    {
      String clusterName = (String) getRequest().getAttributes().get("clusterName");
      String instanceName = (String) getRequest().getAttributes().get("instanceName");
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);


      ClusterSetup setupTool = new ClusterSetup(zkClient);
      setupTool.dropInstanceFromCluster(clusterName, instanceName);
      getResponse().setStatus(Status.SUCCESS_OK);

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Examples of org.apache.helix.manager.zk.ZkClient

  
  StringRepresentation getSchedulerTasksRepresentation() throws JsonGenerationException, JsonMappingException, IOException
  {
    String clusterName = (String)getRequest().getAttributes().get("clusterName");
    String instanceName = (String)getRequest().getAttributes().get("instanceName");
    ZkClient zkClient = (ZkClient)getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    List<String> instances = setupTool.getClusterManagementTool().getInstancesInCluster(clusterName);
    
    HelixDataAccessor accessor = ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
    LiveInstance liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance(instanceName));

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Examples of org.apache.helix.manager.zk.ZkClient

  {
    try
    {
      String clusterName = (String)getRequest().getAttributes().get("clusterName");
      Form form = new Form(entity);
      ZkClient zkClient = (ZkClient)getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      
      String msgTemplateString = ClusterRepresentationUtil.getFormJsonParameterString(form, MESSAGETEMPLATE);
      if(msgTemplateString == null)
      {
        throw new HelixException("SchedulerTasksResource need to have MessageTemplate specified.");

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Examples of org.apache.helix.manager.zk.ZkClient

  StringRepresentation getControllerRepresentation(String clusterName) throws JsonGenerationException,
      JsonMappingException,
      IOException
  {
    Builder keyBuilder = new PropertyKey.Builder(clusterName);
    ZkClient zkClient =
        (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);


    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));

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Examples of org.apache.helix.manager.zk.ZkClient

  public void acceptRepresentation(Representation entity)
  {
    try
    {
      String clusterName = (String) getRequest().getAttributes().get("clusterName");
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      ClusterSetup setupTool = new ClusterSetup(zkClient);


      JsonParameters jsonParameters = new JsonParameters(entity);
      String command = jsonParameters.getCommand();

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Examples of org.apache.helix.manager.zk.ZkClient

    return presentation;
  }


  StringRepresentation getInstanceErrorsRepresentation( String clusterName, String instanceName) throws JsonGenerationException, JsonMappingException, IOException
  {
    ZkClient zkClient = (ZkClient)getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    String instanceSessionId = ClusterRepresentationUtil.getInstanceSessionId(zkClient, clusterName, instanceName);
    
    String message = ClusterRepresentationUtil.getInstancePropertyNameListAsString(zkClient, clusterName, instanceName, PropertyType.CURRENTSTATES, instanceSessionId, MediaType.APPLICATION_JSON);


    StringRepresentation representation = new StringRepresentation(message, MediaType.APPLICATION_JSON);

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Examples of org.apache.helix.manager.zk.ZkClient

    options.addOption(uSuffix);
  }


  public ZKDumper(String zkAddress)
  {
    client = new ZkClient(zkAddress, ZkClient.DEFAULT_CONNECTION_TIMEOUT);
    ZkSerializer zkSerializer = new ZkSerializer()
    {


      @Override
      public byte[] serialize(Object arg0) throws ZkMarshallingError

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Examples of org.apache.helix.manager.zk.ZkClient

    try
    {
      JsonParameters jsonParameters = new JsonParameters(entity);
      String command = jsonParameters.getCommand();


      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      
      if (command.equalsIgnoreCase(JsonParameters.ZK_DELETE_CHILDREN))
      {
        List<String> childNames = zkClient.getChildren(zkPath);
        if (childNames != null)
        {
          for (String childName : childNames)
          {
            String childPath = zkPath.equals("/")? "/" + childName : zkPath + "/" + childName;
            zkClient.deleteRecursive(childPath);
          }
        }
      }
      else
      {

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Examples of org.apache.helix.manager.zk.ZkClient

    StringRepresentation presentation = null;
    String zkPath = getZKPath();


    try
    {
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      ZNRecord result = readZkDataStatAndChild(zkPath, zkClient);


      presentation =
          new StringRepresentation(ClusterRepresentationUtil.ZNRecordToJson(result),

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Examples of org.apache.helix.manager.zk.ZkClient

  public void removeRepresentations()
  {
    String zkPath = getZKPath();
    try
    {
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      zkClient.deleteRecursive(zkPath);
      
      getResponse().setStatus(Status.SUCCESS_OK);
    }
    catch (Exception e)
    {

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