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Lock
This service allows scripts to prevent concurrent access to sections of code. This can be useful when you have multiple users or processes modifying a shared resource and want to prevent collisions.
Classes Name Brief descriptionLock A representation of a mutual-exclusion lock. LockService Prevents concurrent access to sections of code. Lock Methods Method Return type Brief description hasLock() Boolean Returns true if the lock was acquired. releaseLock() void Releases the lock, allowing other processes waiting on the lock to continue. tryLock(timeoutInMillis) Boolean Attempts to acquire the lock, timing out after the provided number of milliseconds. waitLock(timeoutInMillis) void Attempts to acquire the lock, timing out with an exception after the provided number of milliseconds. LockService Methods Method Return type Brief description getDocumentLock() Lock Gets a lock that prevents any user of the current document from concurrently running a section of code. getScriptLock() Lock Gets a lock that prevents any user from concurrently running a section of code. getUserLock() Lock Gets a lock that prevents the current user from concurrently running a section of code.
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Last updated 2024-12-02 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-12-02 UTC."],[[["The Lock service in Apps Script helps prevent conflicts when multiple users or processes access shared resources."],["It provides different types of locks: Document Lock, Script Lock, and User Lock, each controlling access at various levels."],["Locks can be acquired, released, and checked for status using methods like `tryLock`, `releaseLock`, and `hasLock`."],["Timeouts can be set while acquiring locks to avoid indefinite waiting using methods like `tryLock` and `waitLock`."]]],["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"]]
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