Class: BrainzLab::Cortex::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/brainzlab/cortex/cache.rb

Instance Method Summary collapse

Constructor Details

#initialize(ttl = 60) ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/brainzlab/cortex/cache.rb', line 6

def initialize(ttl = 60)
  @ttl = ttl
  @store = {}
  @timestamps = {}
  @mutex = Mutex.new
end

Instance Method Details

#clear! ⇒ Object 



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# File 'lib/brainzlab/cortex/cache.rb', line 42

def clear!
  @mutex.synchronize do
    @store.clear
    @timestamps.clear
  end
end

#delete(key) ⇒ Object 



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# File 'lib/brainzlab/cortex/cache.rb', line 35

def delete(key)
  @mutex.synchronize do
    @store.delete(key)
    @timestamps.delete(key)
  end
end

#get(key) ⇒ Object 



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# File 'lib/brainzlab/cortex/cache.rb', line 13

def get(key)
  @mutex.synchronize do
    return nil unless @store.key?(key)
    return nil if expired?(key)

    @store[key]
  end
end

#has?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brainzlab/cortex/cache.rb', line 29

def has?(key)
  @mutex.synchronize do
    @store.key?(key) && !expired?(key)
  end
end

#set(key, value) ⇒ Object 



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# File 'lib/brainzlab/cortex/cache.rb', line 22

def set(key, value)
  @mutex.synchronize do
    @store[key] = value
    @timestamps[key] = Time.now
  end
end