Class: TaliaCore::DataTypes::DelayedCopier

Inherits:
Object
  • Object
show all
Defined in:
lib/talia_core/data_types/delayed_copier.rb

Overview

This is used for “delayed” copy operations. Basically this will created a file called “delayed_copy.sh” in the RAILS_ROOT, which can later be run as a bash script. This will allow the user to run the copy operation and be potentially faster than using the builtin copy operations (especially using JRuby)

Class Method Summary collapse

Class Method Details

.close ⇒ Object

Close the delayed copy file



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# File 'lib/talia_core/data_types/delayed_copier.rb', line 41

def self.close
  if(@delayed_copy_file)
    @delayed_copy_file.close
    @delayed_copy_file = nil
  end
end

.cp(source, target) ⇒ Object 



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# File 'lib/talia_core/data_types/delayed_copier.rb', line 24

def self.cp(source, target)
  unless(dir_seen?(File.expand_path(target)))
    mkdir_string = 'mkdir -vp "'
    mkdir_string << File.dirname(File.expand_path(target))
    mkdir_string << '"'
    delayed_copy_file.puts(mkdir_string)
  end
  cp_string = 'cp -v "'
  cp_string << File.expand_path(source)
  cp_string << '" "'
  cp_string << File.expand_path(target)
  cp_string << '"'
  delayed_copy_file.puts(cp_string)
  delayed_copy_file.flush
end

.delayed_copy_file ⇒ Object

Returns (and creates, if necessary) the file to write the delayed copy operations to



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# File 'lib/talia_core/data_types/delayed_copier.rb', line 15

def self.delayed_copy_file
  @delayed_copy_file ||= begin
    backup_file if(File.exists?(delay_file_name))
    file = File.open(delay_file_name, 'w')
    file.puts('#!/bin/bash')
    file
  end
end