Examples of com.cloudera.flume.master.CommandStatus

com.cloudera.flume.master.CommandStatus
This keeps a command it runtime information about the command. Think of it like a process control block in a OS. The command can be in 4 states. QUEUED means the command has yet to be executed. EXECING means it is currently being executed. SUCCEEDED means the command ran successfully, while FAILED means the command ran and threw some sort of exception. The message field and arg in the state transitions can be used to provide extra information about how/why the transition happened. This is useful for conveying failure reason.

    long start = System.currentTimeMillis();
    while (System.currentTimeMillis() - start < maxmillis) {


      if (client.isFailure(cmdid)) {
        System.err.println("Command failed");
        CommandStatus stat = client.getCommandStatus(cmdid);
        System.err.println(stat.getMessage());
        return -1;
      }
      if (client.isSuccess(cmdid)) {
        System.out.println("Command succeeded");

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    for (CharSequence cs : cmda.arguments) {
      args.add(cs.toString());
    }
    Command cmd = new Command(cmda.command.toString(), args
        .toArray(new String[0]));
    CommandStatus cs = new CommandStatus(csa.cmdId, cmd, CommandStatus.State
        .valueOf(csa.state.toString()), csa.message.toString());
    return cs;
  }

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        throw new IOException("Illegal command id: " + cmdid);
      }
      FlumeMasterCommandThrift cmdt = cst.getCmd();
      Command cmd = new Command(cmdt.getCommand(), cmdt.arguments
          .toArray(new String[0]));
      CommandStatus cs = new CommandStatus(cst.getCmdId(), cmd,
          CommandStatus.State.valueOf(cst.state), cst.getMessage());
      return cs;
    } catch (TException e) {
      throw new IOException(e);
    }

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    long start = System.currentTimeMillis();
    while (System.currentTimeMillis() - start < maxmillis) {


      if (client.isFailure(cmdid)) {
        System.err.println("Command failed");
        CommandStatus stat = client.getCommandStatus(cmdid);
        System.err.println(stat.getMessage());
        return -1;
      }
      if (client.isSuccess(cmdid)) {
        System.out.println("Command succeeded");

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  @GET
  @Path("{idx: [0-9]*}")
  @Produces("application/json")
  public JSONObject getLog(@PathParam("idx") String sidx) {
    long idx = Long.parseLong(sidx);
    CommandStatus cmd = commands.getStatus(idx);
    if (cmd == null) {
      // return empty;
      return new JSONObject();
    }
    try {

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    for (CharSequence cs : cmda.arguments) {
      args.add(cs.toString());
    }
    Command cmd = new Command(cmda.command.toString(), args
        .toArray(new String[0]));
    CommandStatus cs = new CommandStatus(csa.cmdId, cmd, CommandStatus.State
        .valueOf(csa.state.toString()), csa.message.toString());
    return cs;
  }

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Related Classes of com.cloudera.flume.master.CommandStatus

com.cloudera.flume.master.CommandManagerResource

com.cloudera.flume.util.AdminRPCAvro

com.cloudera.flume.util.AdminRPCThrift

com.cloudera.flume.util.FlumeShell

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