Examples of org.apache.slider.server.services.utility.ForkedProcessService

Package org.apache.slider.server.services.utility

Examples of org.apache.slider.server.services.utility.ForkedProcessService

org.apache.slider.server.services.utility.ForkedProcessService
Service wrapper for an external program that is launched and can/will terminate. This service is notified when the subprocess terminates, and stops itself and converts a non-zero exit code into a failure exception

      //failed for some reason
      if (cause instanceof ExitCodeProvider) {
        return ((ExitCodeProvider) cause).getExitCode();
      }
    }
    ForkedProcessService lastProc = latestProcess();
    if (lastProc == null) {
      return 0;
    } else {
      return lastProc.getExitCode();
    }
  }

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  protected ForkedProcessService queueCommand(String name,
                              Map<String, String> env,
                              List<String> commands) throws
                                                     IOException,
      SliderException {
    ForkedProcessService process = buildProcess(name, env, commands);
    //register the service for lifecycle management; when this service
    //is terminated, so is the master process
    addService(process);
    return process;
  }

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  public ForkedProcessService buildProcess(String name,
                                           Map<String, String> env,
                                           List<String> commands) throws
                                                                  IOException,
      SliderException {
    ForkedProcessService process;
    process = new ForkedProcessService(name);
    process.init(getConfig());
    process.build(env, commands);
    return process;
  }

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                            appConfOperations.getGlobalOptions().getMandatoryOption(
                              OPTION_ACCUMULO_PASSWORD),
                            "--clear-instance-name");




    ForkedProcessService accumulo =
      queueCommand(getName(), env, commands);
    //add a timeout to this process
    accumulo.setTimeout(
      appConfOperations.getGlobalOptions().getOptionInt(
        OPTION_ACCUMULO_INIT_TIMEOUT,
        INIT_TIMEOUT_DEFAULT), 1);
    
    //callback to AM to trigger cluster review is set up to happen after

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Related Classes of org.apache.slider.server.services.utility.ForkedProcessService

org.apache.slider.providers.AbstractProviderService

org.apache.slider.providers.accumulo.AccumuloProviderService

org.apache.slider.server.exec.RunLongLivedApp

org.apache.hadoop.service.ServiceStateException

org.apache.slider.core.main.ServiceLaunchException

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