<html xmlns="http://www.w3.org/1999/xhtml"><head></head><body><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="2" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[2]</anchor-end> <code class="URI" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">DAV:</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">名前空間</anchor>の <dfn><code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">no-conflicting-lock</anchor></code></dfn>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>は、<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">衝突</anchor>する<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>が存在することを表す<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件符号</anchor>です。</p><section><h1>仕様書</h1><refs xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><ul xmlns="http://www.w3.org/1999/xhtml"><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="33" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[33]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-7.4">http://tools.ietf.org/html/rfc4918#section-7.4</anchor-external></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[1]</anchor-end> <strong><cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#page-100">http://tools.ietf.org/html/rfc4918#page-100</anchor-external></strong></li><li><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[5]</anchor-end> <cite xml:lang="en">RFC 4918 - HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)</cite> (<time>2014-09-21 17:04:59 +09:00</time> 版) <anchor-external xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resScheme="URI" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:resParameter="http://tools.ietf.org/html/rfc4918#section-17">http://tools.ietf.org/html/rfc4918#section-17</anchor-external></li></ul></refs></section><section><h1>内容</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="4" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[4]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">内容</anchor>は<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素内容</anchor>で、0個以上の <code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">href</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要素</anchor>を含めることができます
<src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src>。<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">衝突</anchor>する<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック根</anchor> <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src> の <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">URL</anchor> を表します。</p><figure class="railroad"><ol><li>*<ol><li><code class="XMLe" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">href</anchor></code></li></ol></li></ol></figure><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="6" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[6]</anchor-end> 順序は意味を持ちません <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="5" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;5</anchor-internal></src>。</p></section><section><h1>文脈</h1><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="3" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[3]</anchor-end> 既存の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>との<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">衝突</anchor>が原因で <code class="HTTP" xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">LOCK</anchor></code>
<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>が失敗した時には、この<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件符号</anchor>を使うことができます <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src>。
通常は<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">状態符号</anchor> <code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">423</anchor></code> を使います <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="1" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;1</anchor-internal></src>。</p><p><anchor-end xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="34" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">[34]</anchor-end> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">コレクション</anchor>に対して深さ無限大の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">書き込みロック</anchor>が<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">要求</anchor>された場合で、
新しい<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>と<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">衝突</anchor>する形で<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">ロック</anchor>されている<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">資源</anchor>の<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">メンバーURL</anchor>
が当該<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">コレクション</anchor>に含まれる場合には、
<code class="HTTP"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">423</anchor></code> <anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>によりエラーを返さなければなりません。
その際には<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">応答</anchor>に<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">事前条件</anchor> <code xml:lang="en"><anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:">no-conflicting-lock</anchor></code>
を含める<anchor xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:"><strong xmlns="http://www.w3.org/1999/xhtml">べきです</strong></anchor>。 <src xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:10:"><anchor-internal xmlns="urn:x-suika-fam-cx:markup:suikawiki:0:9:" a0:anchor="33" xmlns:a0="urn:x-suika-fam-cx:markup:suikawiki:0:9:">&gt;&gt;33</anchor-internal></src></p></section></body></html>