Examples of org.apache.flink.runtime.protocols.ExtendedManagementProtocol

Package org.apache.flink.runtime.protocols

Examples of org.apache.flink.runtime.protocols.ExtendedManagementProtocol

org.apache.flink.runtime.protocols.ExtendedManagementProtocol
This protocol provides extended management capabilities beyond the simple {@link JobManagementProtocol}. It can be used to retrieve internal scheduling information, the network topology, or profiling information about thread or instance utilization.


  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    //resp.setContentType("application/json");
    
    ExtendedManagementProtocol jmConn = null;
    try {
      
      jmConn = getJMConnection();
      List<RecentJobEvent> recentJobs = jmConn.getRecentJobs();
      
      ArrayList<RecentJobEvent> jobs = new ArrayList<RecentJobEvent>(recentJobs);
      
      resp.setStatus(HttpServletResponse.SC_OK);
      PrintWriter wrt = resp.getWriter();

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      System.out.println("Error: Specify the status of the jobs to list.");
      printHelpForList();
      return 1;
    }
    
    ExtendedManagementProtocol jmConn = null;
    try {
      jmConn = getJobManagerConnection(line);
      if (jmConn == null) {
        printHelpForList();
        return 1;
      }
      
      List<RecentJobEvent> recentJobs = jmConn.getRecentJobs();
      
      ArrayList<RecentJobEvent> runningJobs = null;
      ArrayList<RecentJobEvent> scheduledJobs = null;
      if (running) {
        runningJobs = new ArrayList<RecentJobEvent>();

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      System.out.println("Error: Specify a Job ID to cancel a job.");
      printHelpForCancel();
      return 1;
    }
    
    ExtendedManagementProtocol jmConn = null;
    try {
      jmConn = getJobManagerConnection(line);
      if (jmConn == null) {
        printHelpForCancel();
        return 1;
      }
      
      jmConn.cancelJob(jobId);
      return 0;
    }
    catch (Throwable t) {
      return handleError(t);
    }

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Related Classes of org.apache.flink.runtime.protocols.ExtendedManagementProtocol

org.apache.flink.client.CliFrontend

org.apache.flink.client.web.JobsInfoServlet

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