Class: Oculus::Query

Inherits:
Object
  • Object
show all
Defined in:
lib/oculus/query.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(attributes = {}) ⇒ Query

Returns a new instance of Query.



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# File 'lib/oculus/query.rb', line 16

def initialize(attributes = {})
  attributes.each do |attr, value|
    send("#{attr}=", value)
  end
end

Instance Attribute Details

#author ⇒ Object

Returns the value of attribute author.



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# File 'lib/oculus/query.rb', line 7

def author
  @author
end

#error ⇒ Object

Returns the value of attribute error.



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# File 'lib/oculus/query.rb', line 10

def error
  @error
end

#finished_at ⇒ Object

Returns the value of attribute finished_at.



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# File 'lib/oculus/query.rb', line 12

def finished_at
  @finished_at
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/oculus/query.rb', line 5

def id
  @id
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/oculus/query.rb', line 6

def name
  @name
end

#query ⇒ Object

Returns the value of attribute query.



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# File 'lib/oculus/query.rb', line 8

def query
  @query
end

#results ⇒ Object

Returns the value of attribute results.



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# File 'lib/oculus/query.rb', line 9

def results
  @results
end

#starred ⇒ Object

Returns the value of attribute starred.



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# File 'lib/oculus/query.rb', line 13

def starred
  @starred
end

#started_at ⇒ Object

Returns the value of attribute started_at.



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# File 'lib/oculus/query.rb', line 11

def started_at
  @started_at
end

#thread_id ⇒ Object

Returns the value of attribute thread_id.



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# File 'lib/oculus/query.rb', line 14

def thread_id
  @thread_id
end

Class Method Details

.create(attributes) ⇒ Object 



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# File 'lib/oculus/query.rb', line 72

def create(attributes)
  query = new(attributes)
  query.save
  query
end

.find(id) ⇒ Object 



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# File 'lib/oculus/query.rb', line 78

def find(id)
  new(Oculus.data_store.load_query(id))
end

Instance Method Details

#attributes ⇒ Object 



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# File 'lib/oculus/query.rb', line 22

def attributes
  attrs = {
    :name        => name,
    :author      => author,
    :query       => query,
    :started_at  => started_at,
    :finished_at => finished_at,
    :starred     => starred,
    :thread_id   => thread_id
  }
  attrs[:error] = error if error
  attrs
end

#complete? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/oculus/query.rb', line 55

def complete?
  !!finished_at
end

#execute(connection) ⇒ Object 



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# File 'lib/oculus/query.rb', line 36

def execute(connection)
  self.started_at = Time.now
  self.thread_id  = connection.thread_id
  self.save
  results = connection.execute(query)
rescue Connection::Error => e
  error = e.message
ensure
  reload
  self.results = results if results
  self.error   = error   if error
  self.finished_at = Time.now
  self.save
end

#save ⇒ Object 



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# File 'lib/oculus/query.rb', line 51

def save
  Oculus.data_store.save_query(self)
end

#succeeded? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/oculus/query.rb', line 59

def succeeded?
  complete? && !error
end

#to_csv ⇒ Object 



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# File 'lib/oculus/query.rb', line 63

def to_csv
  CSV.generate do |csv|
    results.each do |row|
      csv << row
    end
  end
end