Module: ActiveSupport::Cache::Strategy::LocalCache

Defined in:
activesupport/lib/active_support/cache/strategy/local_cache.rb,
activesupport/lib/active_support/cache/strategy/local_cache_middleware.rb

Overview

Caches that implement LocalCache will be backed by an in-memory cache for the duration of a block. Repeated calls to the cache for the same key will hit the in-memory cache for faster access.

Defined Under Namespace

Classes: LocalCacheRegistry, LocalStore, Middleware

Instance Method Summary collapse

Instance Method Details

#cleanup(options = nil) ⇒ Object

:nodoc:



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# File 'activesupport/lib/active_support/cache/strategy/local_cache.rb', line 82

def cleanup(options = nil) # :nodoc:
  local_cache.clear(options) if local_cache
  super
end

#clear(options = nil) ⇒ Object

:nodoc:



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# File 'activesupport/lib/active_support/cache/strategy/local_cache.rb', line 77

def clear(options = nil) # :nodoc:
  local_cache.clear(options) if local_cache
  super
end

#decrement(name, amount = 1, options = nil) ⇒ Object

:nodoc:



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# File 'activesupport/lib/active_support/cache/strategy/local_cache.rb', line 93

def decrement(name, amount = 1, options = nil) # :nodoc:
  value = bypass_local_cache{super}
  increment_or_decrement(value, name, amount, options)
  value
end

#increment(name, amount = 1, options = nil) ⇒ Object

:nodoc:



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# File 'activesupport/lib/active_support/cache/strategy/local_cache.rb', line 87

def increment(name, amount = 1, options = nil) # :nodoc:
  value = bypass_local_cache{super}
  increment_or_decrement(value, name, amount, options)
  value
end

#middleware ⇒ Object

Middleware class can be inserted as a Rack handler to be local cache for the duration of request.



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# File 'activesupport/lib/active_support/cache/strategy/local_cache.rb', line 71

def middleware
  @middleware ||= Middleware.new(
    "ActiveSupport::Cache::Strategy::LocalCache",
    local_cache_key)
end

#with_local_cache ⇒ Object

Use a local cache for the duration of block.



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# File 'activesupport/lib/active_support/cache/strategy/local_cache.rb', line 66

def with_local_cache
  use_temporary_local_cache(LocalStore.new) { yield }
end