Class: ChefLicensing::PStoreAdapter

Inherits:
Object
  • Object
show all
Defined in:
lib/chef-licensing/pstore_adapter.rb

Overview

Simple adapter to make PStore compatible with Faraday::HttpCache

Instance Method Summary collapse

Constructor Details

#initialize(cache_dir) ⇒ PStoreAdapter

Returns a new instance of PStoreAdapter.



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# File 'lib/chef-licensing/pstore_adapter.rb', line 6

def initialize(cache_dir)
  @store_path = File.join(cache_dir, "chef_licensing_cache.pstore")
  @store = PStore.new(@store_path)
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/chef-licensing/pstore_adapter.rb', line 30

def clear
  @store.transaction do
    @store.roots.each { |root| @store.delete(root) }
  end
end

#delete(key) ⇒ Object 



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# File 'lib/chef-licensing/pstore_adapter.rb', line 22

def delete(key)
  @store.transaction { @store.delete(key) }
end

#exist?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef-licensing/pstore_adapter.rb', line 26

def exist?(key)
  @store.transaction { @store.root?(key) }
end

#read(key) ⇒ Object

Interface methods required by faraday-http-cache



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# File 'lib/chef-licensing/pstore_adapter.rb', line 12

def read(key)
  @store.transaction { @store[key] }
end

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



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# File 'lib/chef-licensing/pstore_adapter.rb', line 16

def write(key, value, options = {})
  # PStore handles persistence, Faraday::HttpCache handles
  # HTTP cache headers for expiration
  @store.transaction { @store[key] = value }
end