Class: Hjc::JobMonitor

Inherits:
Object
  • Object
show all
Defined in:
lib/hjc/job_monitor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ JobMonitor

Returns a new instance of JobMonitor.



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# File 'lib/hjc/job_monitor.rb', line 5

def initialize
  conf = Configuration.new
  address, port = *conf.get("mapred.job.tracker").split(":")
  addr = InetSocketAddress.new(address, port.to_i)
  @jt = RPC.get_proxy(JobSubmissionProtocol.java_class,
                     JobSubmissionProtocol.versionID, addr, conf)
end

Instance Attribute Details

#jt ⇒ Object (readonly)

mainly for debug..



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# File 'lib/hjc/job_monitor.rb', line 3

def jt
  @jt
end

Instance Method Details

#job_status(job_id_str) ⇒ Object 



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# File 'lib/hjc/job_monitor.rb', line 19

def job_status(job_id_str)
  @jt.get_job_status(JobID.for_name(job_id_str))
end

#kill_job(job_id_str) ⇒ Object 



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# File 'lib/hjc/job_monitor.rb', line 23

def kill_job(job_id_str)
  @jt.kill_job(JobID.for_name(job_id_str))
end

#running_jobs ⇒ Object 



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# File 'lib/hjc/job_monitor.rb', line 13

def running_jobs
  @jt.all_jobs.select do |j|
    [JobStatus::RUNNING, JobStatus::PREP].include? j.run_state
  end
end