Class: Moneta::BasicFile

Inherits:
Object
  • Object
show all
Includes:
Defaults
Defined in:
lib/moneta/basic_file.rb

Instance Method Summary collapse

Methods included from Defaults

#fetch

Constructor Details

#initialize(options = {}) ⇒ BasicFile

Returns a new instance of BasicFile.



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# File 'lib/moneta/basic_file.rb', line 24

def initialize(options = {})
  @namespace = options[:namespace]
  @directory = ::File.join(options[:path], @namespace.to_s)
  
  @expires = !options[:skip_expires]

  ensure_directory_created(@directory)
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/moneta/basic_file.rb', line 39

def [](key)
  if ::File.exist?(path(key))
    data = raw_get(key)
    if @expires
      if data[:expires_at].nil? || data[:expires_at] > Time.now
        data[:value]
      else
        delete!(key)
      end
    else
      data
    end
  end
end

#[]=(key, value) ⇒ Object 



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# File 'lib/moneta/basic_file.rb', line 58

def []=(key, value)
  store(key, value)
end

#clear ⇒ Object 



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# File 'lib/moneta/basic_file.rb', line 94

def clear
  FileUtils.rm_rf(@directory)
  FileUtils.mkdir(@directory)
end

#delete(key) ⇒ Object 



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# File 'lib/moneta/basic_file.rb', line 88

def delete(key)
  value = self[key]
  delete!(key)
  value
end

#delete!(key) ⇒ Object 



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# File 'lib/moneta/basic_file.rb', line 82

def delete!(key)
  FileUtils.rm(path(key))
  nil
rescue Errno::ENOENT
end

#key?(key) ⇒ Boolean Also known as: has_key?

Returns:

  • (Boolean) 


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# File 'lib/moneta/basic_file.rb', line 33

def key?(key)
  !self[key].nil?
end

#raw_get(key) ⇒ Object 



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# File 'lib/moneta/basic_file.rb', line 54

def raw_get(key)
  Marshal.load(::File.read(path(key)))
end

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



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# File 'lib/moneta/basic_file.rb', line 62

def store(key, value, options = {})
  ensure_directory_created(::File.dirname(path(key)))
  ::File.open(path(key), "w") do |file|
    if @expires
      data = {:value => value}
      if options[:expires_in]
        data[:expires_at] = Time.now + options[:expires_in]
      end
      contents = Marshal.dump(data)
    else
      contents = Marshal.dump(value)
    end
    file.puts(contents)
  end
end

#update_key(key, options) ⇒ Object 



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# File 'lib/moneta/basic_file.rb', line 78

def update_key(key, options)
  store(key, self[key], options)
end