cafe-grader-web

Location: cafe-grader-web/app/models/grader_process.rb

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Commit Description:
Merge pull request #10 from nattee/master...
Commit Description:
Merge pull request #10 from nattee/master Let PDF be viewable by the inline viewer of the browser
References:
r368:fbebe9f8cc4b merge default
File last commit:
r203:e7056be0091a default
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app/models/grader_process.rb | 81 lines | 1.9 KiB | text/x-ruby | RubyLexer |
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class GraderProcess < ActiveRecord::Base
def self.find_by_host_and_pid(host,pid)
return GraderProcess.find(:first,
:conditions => {
:host => host,
:pid => pid
})
end
def self.register(host,pid,mode)
grader = GraderProcess.find_by_host_and_pid(host,pid)
if grader
grader.mode = mode
grader.active = nil
grader.task_id = nil
grader.task_type = nil
grader.terminated = false
grader.save
else
grader = GraderProcess.create(:host => host,
:pid => pid,
:mode => mode,
:terminated => false)
end
grader
end
def self.find_running_graders
GraderProcess.find(:all,
:conditions => {:terminated => 0})
end
def self.find_terminated_graders
GraderProcess.find(:all,
:conditions => "`terminated`")
end
def self.find_stalled_process
GraderProcess.find(:all,
:conditions => ["(`terminated` = 0) AND active AND " +
"(updated_at < ?)",
Time.now.gmtime - GraderProcess.stalled_time])
end
def report_active(task=nil)
self.active = true
if task!=nil
self.task_id = task.id
self.task_type = task.class.to_s
else
self.task_id = nil
self.task_type = nil
end
self.save
end
def report_inactive(task=nil)
self.active = false
if task!=nil
self.task_id = task.id
self.task_type = task.class.to_s
else
self.task_id = nil
self.task_type = nil
end
self.save
end
def terminate
self.terminated = true
self.save
end
protected
def self.stalled_time()
return 1.minute
end
end