Class: Cubicle::Aggregation::CubicleMetadata

Inherits:
Object
  • Object
show all
Defined in:
lib/cubicle/aggregation/cubicle_metadata.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(aggregation) ⇒ CubicleMetadata

Returns a new instance of CubicleMetadata.



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 17

def initialize(aggregation)
  @aggregation = aggregation
end

Instance Attribute Details

#aggregation ⇒ Object (readonly)

Returns the value of attribute aggregation.



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 16

def aggregation
  @aggregation
end

Class Method Details

.collection ⇒ Object 



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 7

def collection
  @@collection_name ||= "cubicle.metadata"
  Cubicle.mongo.database[@@collection_name]
end

.collection=(collection_name) ⇒ Object 



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 11

def collection=(collection_name)
  @@collection_name = collection_name
end

Instance Method Details

#aggregation_for(member_names = [], force = false) ⇒ Object 



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 21

def aggregation_for(member_names = [], force=false)
  AggregationMetadata.new(self,member_names,force)
end

#expire!(opts = {}) ⇒ Object 



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 25

def expire!(opts={})
  AggregationMetadata.expire(self,opts)
end

#unprotect_all ⇒ Object 



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 29

def unprotect_all
  AggregationMetadata.unprotect_all(self)
end

#update_processing_stats ⇒ Object 



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# File 'lib/cubicle/aggregation/cubicle_metadata.rb', line 33

def update_processing_stats
  Cubicle.logger.info "Processing #{aggregation.name} @ #{Time.now}"
  start = Time.now
  error = nil
  begin
    yield if block_given?
    Cubicle.logger.info "#{aggregation.name} processed @ #{Time.now}."
    result=:success
  rescue RuntimeError=>ex
    error = ex
    result = :error
    fail
  ensure
    stop = Time.now
    duration = stop - start
    stats = {:timestamp=>Time.now.utc,
             :aggregation=>aggregation.name,
             :last_duration_in_seconds=>duration,
             :result=>result
    }

    #If an error occurred, we want to record the message, but
    #not overwrite the timestamp of the last successful process.
    #If all was well, we want to indicate the now is the last
    #succesful processing of the aggregation.
    result == :error ? stats[:last_error] = error.inspect : stats[:last_processed]=stop

    self.class.collection.update({:aggregation=>aggregation.name},#criteria
                                 {"$set"=>stats},#data
                                 :upsert=>true)#upsert

  end
end