Class: SimpleFileStore::Base

Inherits:
MiniBlankSlate show all
Defined in:
lib/simple_file_store/simple_file_store.rb

Constant Summary collapse

KnownFeatures = 
Dir.glob(File.join(File.dirname(__FILE__), '*_file_store.rb')).map do |f|
  f =~ %r|.*/([a-z]+)_file_store.rb$|
  $1 && $1 != 'simple' ? $1 : nil
end.compact.freeze
FileStoreRoot = 
"fstore".freeze
Separator = 
"-".freeze

Constants inherited from MiniBlankSlate

MiniBlankSlate::BlankMethods

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/simple_file_store/simple_file_store.rb', line 73

def initialize(args = {})
  init_root!
  validate!
  load_arguments(args)
  load_or_store!
end

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/simple_file_store/simple_file_store.rb', line 47

def content
  @content
end

#content_type ⇒ Object

Returns the value of attribute content_type.



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# File 'lib/simple_file_store/simple_file_store.rb', line 46

def content_type
  @content_type
end

#file_name ⇒ Object

Returns the value of attribute file_name.



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# File 'lib/simple_file_store/simple_file_store.rb', line 48

def file_name
  @file_name
end

#root ⇒ Object

Returns the value of attribute root.



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# File 'lib/simple_file_store/simple_file_store.rb', line 46

def root
  @root
end

#timestamp ⇒ Object

Returns the value of attribute timestamp.



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# File 'lib/simple_file_store/simple_file_store.rb', line 46

def timestamp
  @timestamp
end

#usec ⇒ Object

Returns the value of attribute usec.



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# File 'lib/simple_file_store/simple_file_store.rb', line 46

def usec
  @usec
end

Class Method Details

.features(*args) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/simple_file_store/simple_file_store.rb', line 63

def features(*args)
  args = args.flatten.compact
  raise ArgumentError, "Unknown feature" unless args.all?{|a| KnownFeatures.include?(a.to_s)}

  args.each do |a|
    instance_eval { include "#{a}_file_store".classify.constantize }
  end
end

.file_name_tokens(*args) ⇒ Object 



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# File 'lib/simple_file_store/simple_file_store.rb', line 51

def file_name_tokens(*args)
  @file_name_tokens ||= []
  unless args.empty?
    @file_name_tokens.concat(args)
    args.each do |token|
      next if [:timestamp, :usec].include?(token.to_sym)
      instance_eval { attr_accessor token }
    end
  end
  @file_name_tokens
end

Instance Method Details

#open(flag = 'r+', &block) ⇒ Object 



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# File 'lib/simple_file_store/simple_file_store.rb', line 104

def open(flag = 'r+', &block)
  path.dirname.mkpath
  FileUtils.touch(path)
  File.open(path, flag, &block)
end

#path ⇒ Object 



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# File 'lib/simple_file_store/simple_file_store.rb', line 80

def path
  root.join(self.class.name.tableize, file_name)
end