Lock Service
コレクションでコンテンツを整理
必要に応じて、コンテンツの保存と分類を行います。
ロック
このサービスを使用すると、スクリプトでコードのセクションへの同時アクセスを防ぐことができます。これは、複数のユーザーまたはプロセスが共有リソースを変更し、競合を回避する必要がある場合に便利です。
クラス
特に記載のない限り、このページのコンテンツはクリエイティブ・コモンズの表示 4.0 ライセンスにより使用許諾されます。コードサンプルは Apache 2.0 ライセンスにより使用許諾されます。詳しくは、Google Developers サイトのポリシーをご覧ください。Java は Oracle および関連会社の登録商標です。
最終更新日 2025-07-26 UTC。
[null,null,["最終更新日 2025-07-26 UTC。"],[[["\u003cp\u003eThe Lock service in Apps Script helps prevent conflicts when multiple users or processes access shared resources.\u003c/p\u003e\n"],["\u003cp\u003eIt provides different types of locks: Document Lock, Script Lock, and User Lock, each controlling access at various levels.\u003c/p\u003e\n"],["\u003cp\u003eLocks can be acquired, released, and checked for status using methods like \u003ccode\u003etryLock\u003c/code\u003e, \u003ccode\u003ereleaseLock\u003c/code\u003e, and \u003ccode\u003ehasLock\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eTimeouts can be set while acquiring locks to avoid indefinite waiting using methods like \u003ccode\u003etryLock\u003c/code\u003e and \u003ccode\u003ewaitLock\u003c/code\u003e.\u003c/p\u003e\n"]]],["The service provides a mechanism to prevent concurrent code access, crucial for shared resource modification. `LockService` offers methods like `getDocumentLock`, `getScriptLock`, and `getUserLock` to acquire different types of locks. The `Lock` class manages the lock itself, with methods like `hasLock` to check if a lock has been obtained, `releaseLock` to release it, and `tryLock` and `waitLock` to acquire a lock with a timeout.\n"],null,["# Lock Service\n\nLock\n\nThis service allows scripts to prevent concurrent access to sections of\ncode. This can be useful when you have multiple users or processes modifying a\nshared resource and want to prevent collisions.\n\nClasses\n-------\n\n| Name | Brief description |\n|---------------------------------------------------------|-------------------------------------------------|\n| [Lock](/apps-script/reference/lock/lock) | A representation of a mutual-exclusion lock. |\n| [LockService](/apps-script/reference/lock/lock-service) | Prevents concurrent access to sections of code. |\n\n[Lock](/apps-script/reference/lock/lock)\n----------------------------------------\n\n### Methods\n\n| Method | Return type | Brief description |\n|---------------------------------------------------------------------------------|-------------|-------------------------------------------------------------------------------------------------------|\n| [hasLock()](/apps-script/reference/lock/lock#hasLock()) | `Boolean` | Returns true if the lock was acquired. |\n| [releaseLock()](/apps-script/reference/lock/lock#releaseLock()) | `void` | Releases the lock, allowing other processes waiting on the lock to continue. |\n| [tryLock(timeoutInMillis)](/apps-script/reference/lock/lock#tryLock(Integer)) | `Boolean` | Attempts to acquire the lock, timing out after the provided number of milliseconds. |\n| [waitLock(timeoutInMillis)](/apps-script/reference/lock/lock#waitLock(Integer)) | `void` | Attempts to acquire the lock, timing out with an exception after the provided number of milliseconds. |\n\n[LockService](/apps-script/reference/lock/lock-service)\n-------------------------------------------------------\n\n### Methods\n\n| Method | Return type | Brief description |\n|---------------------------------------------------------------------------------|------------------------------------------|---------------------------------------------------------------------------------------------------------|\n| [getDocumentLock()](/apps-script/reference/lock/lock-service#getDocumentLock()) | [Lock](/apps-script/reference/lock/lock) | Gets a lock that prevents any user of the current document from concurrently running a section of code. |\n| [getScriptLock()](/apps-script/reference/lock/lock-service#getScriptLock()) | [Lock](/apps-script/reference/lock/lock) | Gets a lock that prevents any user from concurrently running a section of code. |\n| [getUserLock()](/apps-script/reference/lock/lock-service#getUserLock()) | [Lock](/apps-script/reference/lock/lock) | Gets a lock that prevents the current user from concurrently running a section of code. |"]]
