Class: ActiveFedora::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/sufia/active_fedora/redis.rb

Direct Known Subclasses

Batch, GenericFile

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.stream ⇒ Object 



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# File 'lib/sufia/active_fedora/redis.rb', line 15

def self.stream
  Nest.new(name, $redis)
rescue
  nil
end

Instance Method Details

#create_event(action, timestamp) ⇒ Object 



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# File 'lib/sufia/active_fedora/redis.rb', line 32

def create_event(action, timestamp)
  event_id = $redis.incr("events:latest_id")
  $redis.hmset("events:#{event_id}", "action", action, "timestamp", timestamp)
  event_id
rescue
  nil
end

#events(size = -1)) ⇒ Object 



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# File 'lib/sufia/active_fedora/redis.rb', line 21

def events(size=-1)
  stream[:event].lrange(0, size).map do |event_id|
    {
      action: $redis.hget("events:#{event_id}", "action"),
      timestamp: $redis.hget("events:#{event_id}", "timestamp")
    }
  end
rescue
  []
end

#log_event(event_id) ⇒ Object 



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# File 'lib/sufia/active_fedora/redis.rb', line 40

def log_event(event_id)
  stream[:event].lpush(event_id)
rescue
  nil
end

#stream ⇒ Object 



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# File 'lib/sufia/active_fedora/redis.rb', line 9

def stream
  Nest.new(self.class.name, $redis)[to_param]
rescue
  nil
end