Class: Primer::Cache::Memory

Inherits:
Primer::Cache show all
Defined in:
lib/primer/cache/memory.rb

Instance Attribute Summary

Attributes inherited from Primer::Cache

#routes, #throttle

Instance Method Summary collapse

Methods inherited from Primer::Cache

#compute, #primer_identifier, #regenerate

Methods included from Watcher

call_log, included, log, loggers, on_disable, on_enable, #primer_identifier, reset!, watching

Methods included from Enabler

#disable!, #enable!, #enabled?

Constructor Details

#initialize ⇒ Memory

Returns a new instance of Memory.



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# File 'lib/primer/cache/memory.rb', line 5

def initialize
  clear
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/primer/cache/memory.rb', line 9

def clear
  @data_store   = {}
  @relations    = {}
  @dependencies = {}
end

#get(cache_key) ⇒ Object 



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# File 'lib/primer/cache/memory.rb', line 21

def get(cache_key)
  validate_key(cache_key)
  @data_store[cache_key]
end

#has_key?(cache_key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/primer/cache/memory.rb', line 26

def has_key?(cache_key)
  @data_store.has_key?(cache_key)
end

#invalidate(cache_key) ⇒ Object 



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# File 'lib/primer/cache/memory.rb', line 30

def invalidate(cache_key)
  @data_store.delete(cache_key)
  return unless deps = @dependencies[cache_key]
  deps.each do |attribute|
    @relations[attribute].delete(cache_key)
  end
  @dependencies.delete(cache_key)
end

#keys_for_attribute(attribute) ⇒ Object 



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# File 'lib/primer/cache/memory.rb', line 48

def keys_for_attribute(attribute)
  return [] unless keys = @relations[attribute]
  keys.to_a
end

#put(cache_key, value) ⇒ Object 



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# File 'lib/primer/cache/memory.rb', line 15

def put(cache_key, value)
  validate_key(cache_key)
  @data_store[cache_key] = value
  publish_change(cache_key)
end

#relate(cache_key, attributes) ⇒ Object 



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# File 'lib/primer/cache/memory.rb', line 39

def relate(cache_key, attributes)
  deps = @dependencies[cache_key] ||= Set.new
  attributes.each do |attribute|
    deps.add(attribute)
    list = @relations[attribute] ||= Set.new
    list.add(cache_key)
  end
end

#timeout(cache_key, &block) ⇒ Object 



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# File 'lib/primer/cache/memory.rb', line 53

def timeout(cache_key, &block)
  add_timeout(cache_key, @throttle, &block)
end