Package org.apache.helix.manager.zk

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

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  }
 
  StringRepresentation getStateModelsRepresentation() throws JsonGenerationException, JsonMappingException, IOException
  {
    String clusterName = (String)getRequest().getAttributes().get("clusterName");
    ZkClient zkClient = (ZkClient)getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
   
    List<String> models = setupTool.getClusterManagementTool().getStateModelDefs(clusterName);
   
    ZNRecord modelDefinitions = new ZNRecord("modelDefinitions");
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  public void acceptRepresentation(Representation entity)
  {
    try
    {
      String clusterName = (String)getRequest().getAttributes().get("clusterName");
      ZkClient zkClient = (ZkClient)getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);;
     
      JsonParameters jsonParameters = new JsonParameters(entity);
      String command = jsonParameters.getCommand();

       
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      IOException
  {
    String clusterName = (String) getRequest().getAttributes().get("clusterName");
    String instanceName = (String) getRequest().getAttributes().get("instanceName");
    Builder keyBuilder = new PropertyKey.Builder(clusterName);
    ZkClient zkClient =
        (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);

    String message =
        ClusterRepresentationUtil.getClusterPropertyAsString(zkClient,
                                                             clusterName,
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        jsonParameters.verifyCommand(ClusterSetup.enableInstance);

        boolean enabled =
            Boolean.parseBoolean(jsonParameters.getParameter(JsonParameters.ENABLED));

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool().enableInstance(clusterName,
                                                            instanceName,
                                                            enabled);
      }
      else if (command.equalsIgnoreCase(ClusterSetup.enablePartition))
      {
        jsonParameters.verifyCommand(ClusterSetup.enablePartition);
        boolean enabled =
             Boolean.parseBoolean(jsonParameters.getParameter(JsonParameters.ENABLED));

        String[] partitions =
            jsonParameters.getParameter(JsonParameters.PARTITION).split(";");
        String resource =
            jsonParameters.getParameter(JsonParameters.RESOURCE);

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool().enablePartition(enabled,
                                                             clusterName,
                                                             instanceName,
                                                             resource,
                                                             Arrays.asList(partitions));
      }
      else if (command.equalsIgnoreCase(ClusterSetup.resetPartition))
      {
        jsonParameters.verifyCommand(ClusterSetup.resetPartition);

        String resource =
            jsonParameters.getParameter(JsonParameters.RESOURCE);

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        String[] partitionNames =
            jsonParameters.getParameter(JsonParameters.PARTITION).split("\\s+");
        setupTool.getClusterManagementTool()
                 .resetPartition(clusterName,
                                 instanceName,
                                 resource,
                                 Arrays.asList(partitionNames));
      }
      else if (command.equalsIgnoreCase(ClusterSetup.resetInstance))
      {
        jsonParameters.verifyCommand(ClusterSetup.resetInstance);

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool().resetInstance(clusterName,
                                                           Arrays.asList(instanceName));
      }
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  {
    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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  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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  {
    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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  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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  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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    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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