{"id":314,"date":"2007-06-16T19:12:43","date_gmt":"2007-06-16T10:12:43","guid":{"rendered":"https:\/\/wp-78qb7hnp.pistolfly.jp\/weblog\/2007\/06\/require-dependency.html"},"modified":"2016-07-16T11:25:55","modified_gmt":"2016-07-16T02:25:55","slug":"require-dependency","status":"publish","type":"post","link":"https:\/\/www.pistolfly.com\/weblog\/2007\/06\/require-dependency.html","title":{"rendered":"require_dependency"},"content":{"rendered":"

http:\/\/wiki.rails2u.com\/require_dependency\/<\/a>
\n\u4ee5\u4e0b\u5f15\u7528<\/p>\n

\n


\n\trequire_dependency<\/b><\/a><\/h2>\n


\n\trequire_dependency<\/b><\/a>\u3063\u3066\u306a\u3093\u306a\u3093\u3060\u308d\u3002\u3057\u3087\u3063\u3061\u3085\u3046rails\u30bd\u30fc\u30b9\u5185\u3067\u3067\u3066\u304f\u308b\u3051\u3069\u3002\u3068\u3044\u3046\u3053\u3068\u3067\u8abf\u3079\u3066\u307f\u305f\u3002\n\t<\/p>\n


\n\trequire_dependency<\/b><\/a>\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u5834\u6240<\/h3>\n

activesupport\/lib\/active_support\/dependencies.rb\u306e <\/p>\n

Object.send(:define_method, require_dependency)  { |file_name| Dependencies.depend_on(file_name) }\r\n<\/pre>\n
define_method\u3067\u5b9a\u7fa9\u3057\u3066\u308b\u3002\u6700\u521d 'def
\n\t
\n\trequire_dependency<\/b><\/a>'
\n\t\u3067\u691c\u7d22\u3057\u305f\u3051\u3069\u3072\u3063\u304b\u304b\u3089\u306a\u304f\u3066\u3053\u3053\u306b\u305f\u3069\u308a\u7740\u304f\u307e\u3067\u305d\u3053\u305d\u3053\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u3001\u3001\u3001\u3002 <\/p>\n
require\u3068\u306e\u9055\u3044<\/h3>\n

\n\trequire_dependency<\/b><\/a>\u3067\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\u3001depend_on\u306f\n\t<\/p>\n
<code> def depend_on(file_name, swallow_load_errors = false)\r\n   unless loaded.include?(file_name)\r\n     loaded << file_name\r\n     begin\r\n       require_or_load(file_name)\r\n     rescue LoadError\r\n       raise unless swallow_load_errors\r\n     end\r\n   end\r\n end\r\n<\/code><\/pre>\n
\u540c\u3058\u5f15\u6570\u3067\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070require_or_load\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3002\u3093\u3067require_or_load\u30e1\u30bd\u30c3\u30c9\u306f <\/p>\n
<code> def require_or_load(file_name)\r\n   file_name = "#{file_name}.rb" unless ! load? || file_name[-3..-1] == '.rb'\r\n   load? ? load(file_name) : require(file_name)\r\n end\r\n<\/code><\/pre>\n
\uff11\u884c\u76ee\u3067.rb\u3060\u3063\u305f\u308a\u62e1\u5f35\u5b50\u7121\u3057\u3060\u3063\u305f\u308a\u3059\u308b\u3068\u304d\u306e\u51e6\u7406\u3092\u3002\u3064\u30fc\u304b\u89e3\u308a\u306b\u304f\u3044\u3088\u2026\u3002 <\/p>\n
<code>   file_name = "#{file_name}.rb" unless ( (! load?) || file_name[-3..-1] == '.rb')\r\n<\/code><\/pre>\n
load?\u304ctrue\u3058\u3083\u306a\u3044\u3001\u304b\u3064\u30d5\u30a1\u30a4\u30eb\u62e1\u5f35\u5b50\u304c.rb\u3058\u3083\u7121\u3044\u306a\u3089filename\u306f"#{file_name}.rb"\u306b\u306a\u308b\u3001\u304b\u3002\u3053\u3053\u306f\u3055\u3057\u3066\u91cd\u8981\u3058\u3083\u306a\u304f\u3066\u6b21\u306e\n\t<\/p>\n
<code>   load? ? load(file_name) : require(file_name)\r\n<\/code><\/pre>\n
\u3067load?\u30e1\u30bd\u30c3\u30c9\u304ctrue\u306a\u3089load\u30e1\u30bd\u30c3\u30c9\u3067\u547c\u3073\u51fa\u3057\u3001\u305d\u3046\u3058\u3083\u306a\u304b\u3063\u305f\u3089require\u30e1\u30bd\u30c3\u30c9\u3067\u547c\u3073\u51fa\u3057\u3092\u884c\u3046\u3002\u3093\u3067load\u30e1\u30bd\u30c3\u30c9\u306f\n\t<\/p>\n
<code> @@mechanism = :load\r\n mattr_accessor :mechanism\r\n def load?\r\n   mechanism == :load\r\n end\r\n<\/code><\/pre>\n
\u3068\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u4f55\u306b\u3082\u5909\u66f4\u3057\u306a\u304d\u3083require_dependency<\/b><\/a>\u3092\u4f7f\u3046\u3068load\u30e1\u30bd\u30c3\u30c9\u3067\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3068\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306egenerator\u3067\u751f\u6210\u3057\u305f\u5834\u5408\u3001RAILS_ROOT\/config\/environments\/development.rb\u306b\u306f\n\t<\/p>\n
<code>Dependencies.mechanism                             = :load\r\n<\/code><\/pre>\n
RAILS_ROOT\/config\/environments\/production.rb\u306b\u306f <\/p>\n
<code>Dependencies.mechanism                             = :require\r\n<\/code><\/pre>\n
\u3068\u8a18\u8ff0\u3055\u308c\u3066\u308b\u306e\u3067production\u3060\u3068load\u3058\u3083\u306a\u304f\u3066require\u3055\u308c\u308b\u3002 <\/p>\n
\u3067\u3001\u3093\u3058\u3083rails\u306b\u304a\u3051\u308bload\u3068require\u306e\u5927\u304d\u306a\u9055\u3044\u3063\u3066\u4f55\u3063\u3066\u4e8b\u3063\u3066\u306b\u306a\u308b\u3051\u3069\u3001fastcgi\u3084webrick\u3067rails\u4f7f\u3063\u3066\u308b\u5834\u5408\u306fload\u3067\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30ed\u30fc\u30c9\u3057\u305f\u3068\u304d\u306f\u3082\u3046\u4e00\u5ea6\u7121\u6761\u4ef6\u30ed\u30fc\u30c9\u3055\u308c\u308b\u305f\u3081\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u30bd\u30fc\u30b9\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u305d\u306e\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u308b\u3002
\n\trequire\u306e\u5834\u5408\u306f\u3059\u3067\u306b\u8aad\u307f\u8fbc\u3093\u3067\u3042\u3063\u305f\u3089\u8aad\u307f\u8fbc\u307e\u306a\u3044\u3002\u901a\u5e38\u306ecgi\u3067\u4f7f\u3063\u3066\u308b\u5834\u5408\u306b\u306f\u307b\u3068\u3093\u3069\u5909\u308f\u308a\u306a\u3057\u3002 <\/p>\n
\n\t\u3060\u304b\u3089development\u3067\u306fload\u3067\u3001production\u3067\u306frequire\u306b\u306a\u3063\u3066\u308b\u3093\u3060\u306d\u3002\u81ea\u4f5c\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f5c\u308a\u3063\u305f\u308a\u4fee\u6b63\u3057\u305f\u308a\u3057\u3064\u3064rails\u306e\u958b\u767a\u3092\u9032\u3081\u308b\u5834\u5408\u306frequire_dependency<\/b><\/a>\u3067\u8aad\u307f\u8fbc\u3093\u3067\u304a\u304f\u3068\u3044\u3044\u3088\u3001\u3068\u3002\n\t<\/p>\n<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"
http:\/\/wiki.rails2u.com\/require_dependency\/ \u4ee5\u4e0b\u5f15\u7528 require_dependency require_dependency\u3063\u3066\u306a\u3093\u306a\u3093\u3060\u308d\u3002\u3057\u3087\u3063\u3061\u3085\u3046rails\u30bd\u30fc\u30b9\u5185 … \u7d9a\u304d\u3092\u8aad\u3080 require_dependency<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_locale":"ja","_original_post":"314","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[31],"tags":[],"class_list":["post-314","post","type-post","status-publish","format-standard","hentry","category-ruby-on-rails","ja"],"yoast_head":"\nrequire_dependency - Pistolfly<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pistolfly.com\/weblog\/2007\/06\/require-dependency.html\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"require_dependency - 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