Module: Jekyll::Archimate::ArchimateCache

Defined in:
lib/jekyll/archimate/archimate_cache.rb

Class Method Summary collapse

Class Method Details

.cache_stale?(file_path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jekyll/archimate/archimate_cache.rb', line 54

def cache_stale?(file_path)
  @@cache ||= {}
  rel = rel_path(file_path)
  mod_time = File.mtime(rel)
  !@@cache.key?(rel) ||
    @@cache[rel][:cache_time] < mod_time
end

.load_model(file_path) ⇒ Object

load an archimate model from either…

  1. Memory

  2. Cached & Marshaled File

  3. Archimate File

Defaulting to the Archimate file if it is newer than either cached version



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# File 'lib/jekyll/archimate/archimate_cache.rb', line 13

def load_model(file_path)
  @@cache ||= {}
  file_path.sub!(%r{^/}, "")
  mod_time = File.mtime(file_path)

  if @@cache.key?(file_path)
    model_info = @@cache[file_path]
    return model_info[:model] if model_info[:cache_time] >= mod_time
  end

  cache_file = marshal_cache_file(file_path)
  if File.exist?(cache_file) && File.mtime(cache_file) >= mod_time
    begin
      @@cache[file_path] = {
        cache_time: File.mtime(cache_file),
        model: File.open(cache_file, "rb") { |f| Marshal.load(f) }
      }
      return @@cache[file_path][:model]
  rescue ArgumentError
    puts "Cache file is invalid - removing cache #{cache_file} and loading #{file_path}"
    FileUtils.rm cache_file
  end
  end

  model = ::Archimate.read(file_path)
  File.open(cache_file, "wb") { |f| Marshal.dump(model, f) }
  @@cache[file_path] = {
    cache_time: File.mtime(cache_file),
    model: model
  }

  model
end

.marshal_cache_file(path) ⇒ Object 



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# File 'lib/jekyll/archimate/archimate_cache.rb', line 63

def marshal_cache_file(path)
  file_path, file_name = File.split(path)
  cache_path = File.join("_cache", file_path).split("/").inject("") do |cpath, rel_dir|
    npath = cpath.empty? ? rel_dir : File.join(cpath, rel_dir)
    Dir.mkdir(File.absolute_path(npath)) unless Dir.exist?(File.absolute_path(npath))
    npath
  end
  File.join(cache_path, File.basename(file_name, ".archimate" + ".marshal"))
end

.rel_path(file_path) ⇒ Object 



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# File 'lib/jekyll/archimate/archimate_cache.rb', line 48

def rel_path(file_path)
  file_path.sub!(%r{^/}, "")
end