Class: Scrappy::Cache

Inherits:
Hash
  • Object
show all
Includes:
MonitorMixin
Defined in:
lib/scrappy/agent/cache.rb

Constant Summary collapse

MAX_ELEMENTS = 
100

Instance Method Summary collapse

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/scrappy/agent/cache.rb', line 36

def [] key
  synchronize { super }
end

#[]=(key, value) ⇒ Object 



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# File 'lib/scrappy/agent/cache.rb', line 32

def []= key, value
  synchronize { super }
end

#expire!(timeout) ⇒ Object 



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# File 'lib/scrappy/agent/cache.rb', line 24

def expire! timeout
  synchronize do
    keys.each { |key| delete(key) if Time.now.to_i - self[key][:time].to_i > timeout }
    sort_by { |key, value| value[:time].to_i }[0...size-MAX_ELEMENTS].each { |key, value| delete key } if size > MAX_ELEMENTS
    self
  end
end