Class: ICFS::StoreFs Deprecated

Inherits:
Store
  • Object
show all
Defined in:
lib/icfs/store_fs.rb

Overview

Deprecated.

Using a filesystem for a production system is a horrible idea. This is provided as an example and should be used for development use only.

Permanent store for items using the filesystem

Instance Method Summary collapse

Methods inherited from Store

#action_read, #action_write, #case_read, #case_write, #close, #entry_read, #entry_write, #index_read, #index_write, #log_read, #log_write

Constructor Details

#initialize(base) ⇒ StoreFs

New instance

Parameters:

  • base (String) —

    the base directory



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# File 'lib/icfs/store_fs.rb', line 31

def initialize(base)
  if base[-1] == '/'.freeze
    @base = base.freeze
  else
    @base = (base + '/').freeze
  end
end

Instance Method Details

#file_read(cid, enum, lnum, fnum) ⇒ File, Tempfile

Read a file

Parameters:

  • cid (String) —

    caseid

  • enum (Integer) —

    Entry number

  • lnum (Integer) —

    Log number

  • fnum (Integer) —

    File number

Returns:

  • (File, Tempfile) —

    Read only copy of the file



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# File 'lib/icfs/store_fs.rb', line 43

def file_read(cid, enum, lnum, fnum)
  File.open(_file(cid, enum, lnum, fnum), 'rb')
rescue Errno::ENOENT
  return nil
end

#file_size(cid, enum, lnum, fnum) ⇒ Integer

Get a file size

Parameters:

  • cid (String) —

    caseid

  • enum (Integer) —

    Entry number

  • lnum (Integer) —

    Log number

  • fnum (Integer) —

    File number

Returns:

  • (Integer) —

    The size of the file



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# File 'lib/icfs/store_fs.rb', line 67

def file_size(cid, enum, lnum, fnum)
  File.size(_file(cid, enum, lnum, fnum))
rescue Errno::ENOENT
  return nil
end

#file_write(cid, enum, lnum, fnum, tmpf) ⇒ Object

Write a file

Parameters:

  • cid (String) —

    caseid

  • enum (Integer) —

    Entry number

  • lnum (Integer) —

    Log number

  • fnum (Integer) —

    File number

  • tmpf (Tempfile) —

    A Tempfile obtained from #tempfile



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# File 'lib/icfs/store_fs.rb', line 53

def file_write(cid, enum, lnum, fnum, tmpf)
  fn = _file(cid, enum, lnum, fnum)
  FileUtils.ln(tmpf.path, fn, force: true)
  tmpf.close!
rescue Errno::ENOENT
  FileUtils.mkdir_p(File.dirname(fn))
  FileUtils.ln(tmpf.path, fn, force: true)
  tmpf.close!
end

#tempfile ⇒ Tempfile

Get a Tempfile to use to write files

Returns:

  • (Tempfile) —

    a Tempfile which can be written and passed to #file_write



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# File 'lib/icfs/store_fs.rb', line 77

def tempfile
  Tempfile.new('tmp'.freeze, @base, :encoding => 'ascii-8bit'.freeze)
end