Class: InfoparkComponentCache::AbstractCacheStorage

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/infopark_component_cache/abstract_cache_storage.rb

Overview

Note:

Any valid implementation must respect Rails.application.config.action_controller.perform_caching setting.

This abstract base class represents a very thin wrapper around the underlying cache storage.

Author:

Direct Known Subclasses

CacheStorage, VolatileCacheStorage

Instance Method Summary collapse

Instance Method Details

#enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/infopark_component_cache/abstract_cache_storage.rb', line 31

def enabled?
  Rails.application.config.action_controller.perform_caching
end

#exist?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/infopark_component_cache/abstract_cache_storage.rb', line 15

def exist?(key)
  enabled? && backing_storage.exist?(key)
end

#read(key) ⇒ Object 



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# File 'lib/infopark_component_cache/abstract_cache_storage.rb', line 19

def read(key)
  # it is possible to read disabled cache!
  backing_storage.read(key)
end

#write(key, value, options = {}) ⇒ Object 



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# File 'lib/infopark_component_cache/abstract_cache_storage.rb', line 24

def write(key, value, options = {})
  backing_storage.write(key, value, options) if enabled?
rescue Errno::ENOSPC => e
  Rails.logger.error("Unable to write cache, cache full: #{e.message}")
end