Class: DRMAA::Session

Inherits:
Object
  • Object
show all
Defined in:
lib/ood_core/job/adapters/drmaa.rb

Overview

DRMAA Session

Direct Known Subclasses

SessionSingleton

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(contact = "") ⇒ Session

initialize DRMAA session



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 721

def initialize(contact = "")
    DRMAA.init(contact)
    ObjectSpace.define_finalizer(self, self.method(:finalize).to_proc)
    @retry = 0
end

Instance Attribute Details

#retry ⇒ Object

Returns the value of attribute retry.



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 718

def retry
  @retry
end

Instance Method Details

#finalize(id) ⇒ Object

close DRMAA session



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 728

def finalize(id)
    # STDERR.puts "... exiting DRMAA"
    DRMAA.exit
end

#hold(job = ALL_JOBS) ⇒ Object

put specified job or all session jobs in hold state



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 828

def hold(job = ALL_JOBS)
    DRMAA.control(job, DRMAA::ACTION_HOLD)
end

#job_ps(job) ⇒ Object

get job state



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 843

def job_ps(job)
    DRMAA.job_ps(job)
end

#release(job = ALL_JOBS) ⇒ Object

release hold state for specified job or all session jobs



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 833

def release(job = ALL_JOBS)
    DRMAA.control(job, DRMAA::ACTION_RELEASE)
end

#resume(job = ALL_JOBS) ⇒ Object

resume specified job or all session jobs



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 823

def resume(job = ALL_JOBS)
    DRMAA.control(job, DRMAA::ACTION_RESUME)
end

#retry_until ⇒ Object

non-zero retry interval causes DRMAA::DRMAATryLater be handled transparently



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 734

def retry_until
    if @retry == 0
        job = yield
    else
        begin
            job = yield
        rescue DRMAA::DRMAATryLater
            STDERR.puts "... sleeping"
            sleep @retry
            retry
        end
    end
    return job
end

#run(t) ⇒ Object

submits job described by JobTemplate ‘t’ and returns job id as string



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 750

def run(t)
    retry_until { DRMAA.run_job(t.ptr) }
end

#run_bulk(t, first, last, incr = 1) ⇒ Object

submits bulk job described by JobTemplate ‘t’ and returns an array of job id strings



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 756

def run_bulk(t, first, last, incr = 1)
    retry_until { DRMAA.run_bulk_jobs(t.ptr, first, last, incr) }
end

#suspend(job = ALL_JOBS) ⇒ Object

suspend specified job or all session jobs



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 818

def suspend(job = ALL_JOBS)
    DRMAA.control(job, DRMAA::ACTION_SUSPEND)
end

#sync(jobs, timeout = -1)) ⇒ Object

synchronize with specified session jobs returns false in case of a timeout



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 813

def sync(jobs, timeout = -1)
    DRMAA.synchronize(jobs, timeout, false)
end

#sync!(jobs, timeout = -1)) ⇒ Object

synchronize with specified session jobs and dispose any job finish information returns false in case of a timeout



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 807

def sync!(jobs, timeout = -1)
    DRMAA.synchronize(jobs, timeout, true)
end

#sync_all(timeout = -1,, dispose = false) ⇒ Object

synchronize with all session jobs returns false in case of a timeout



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 801

def sync_all(timeout = -1, dispose = false)
    DRMAA.synchronize([ ALL_JOBS ], timeout, dispose)
end

#sync_all!(timeout = -1)) ⇒ Object

synchronize with all session jobs and dispose any job finish information returns false in case of a timeout



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 795

def sync_all!(timeout = -1)
    DRMAA.synchronize([ ALL_JOBS ], timeout, true)
end

#terminate(job = ALL_JOBS) ⇒ Object

terminate specified job or all session jobs



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 838

def terminate(job = ALL_JOBS)
    DRMAA.control(job, DRMAA::ACTION_TERMINATE)
end

#wait(job, timeout = -1)) ⇒ Object

wait for job and return JobInfo



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 766

def wait(job, timeout = -1)
    DRMAA.wait(job, timeout)
end

#wait_any(timeout = -1)) ⇒ Object

wait for any job of this session and return JobInfo



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 761

def wait_any(timeout = -1)
    DRMAA.wait(ANY_JOB, timeout)
end

#wait_each(timeout = -1)) ⇒ Object

run block with JobInfo to finish for each waited session job or return JobInfo array if no block was passed



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# File 'lib/ood_core/job/adapters/drmaa.rb', line 772

def wait_each(timeout = -1)
    if ! block_given?
        ary = Array.new
    end
    while true
        begin
            info = DRMAA.wait(ANY_JOB, timeout)
        rescue DRMAAInvalidJobError
            break
        end
        if block_given?
            yield info
        else
            ary << info
        end
    end
    if ! block_given?
        return ary
    end
end