Class: Rembrandt::Stores::File

Inherits:
Object
  • Object
show all
Includes:
Fetchable
Defined in:
lib/rembrandt/stores/file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Fetchable

#fetch, #key_for

Constructor Details

#initialize(directory = nil) ⇒ File

Returns a new instance of File.



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# File 'lib/rembrandt/stores/file.rb', line 11

def initialize(directory = nil)
  self.output_directory = directory || Config.file_store_directory
  create_directory
end

Instance Attribute Details

#output_directory ⇒ Object

Returns the value of attribute output_directory.



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# File 'lib/rembrandt/stores/file.rb', line 9

def output_directory
  @output_directory
end

Instance Method Details

#create_directory ⇒ Object 



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# File 'lib/rembrandt/stores/file.rb', line 21

def create_directory
  FileUtils.mkdir_p output_directory
end

#filename_for(key) ⇒ Object 



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# File 'lib/rembrandt/stores/file.rb', line 38

def filename_for(key)
  output_directory + prefix + key
end

#flush ⇒ Object 



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# File 'lib/rembrandt/stores/file.rb', line 46

def flush
  `rm -rf #{output_directory}/*` if Dir.exist?(output_directory)
end

#prefix ⇒ Object 



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# File 'lib/rembrandt/stores/file.rb', line 42

def prefix
  'rembrandt_'
end

#read(key) ⇒ Object 



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# File 'lib/rembrandt/stores/file.rb', line 31

def read(key)
  filename = filename_for(key)
  if ::File.exist?(filename)
    ::File.read(filename_for(key))
  end
end

#write(key, data) ⇒ Object 



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# File 'lib/rembrandt/stores/file.rb', line 25

def write(key, data)
  ::File.open( filename_for(key), "w" ) do |f|
    f.write(data)
  end
end