ExclusiveLockTransactionTestRunner.ConcurrentReadThenWriteWithoutExclusiveLock_ThrowsLockException(string)

1. Documentation
2. API reference
3. Microsoft.Orleans.Transactions.TestKit.Base
4. ExclusiveLockTransactionTestRunner
5. Methods
6. ConcurrentReadThenWriteWithoutExclusiveLock_ThrowsLockException(string)

Markdown

ConcurrentReadThenWriteWithoutExclusiveLock_ThrowsLockException(string)

virtual

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public virtual Task ConcurrentReadThenWriteWithoutExclusiveLock_ThrowsLockException(string grainStates)

Verifies that concurrent Read-then-Write transactions on the same grain cause OrleansTransactionLockUpgradeException or OrleansBrokenTransactionLockException when no exclusive lock is used. Scenario (LockUpgradeException): TX1: PerformRead → shared lock acquired TX2: PerformRead → shared lock acquired (same group) TX1: PerformUpdate → lock upgrade fails Scenario (BrokenTransactionLockException): TX1: PerformRead → shared lock acquired TX2: PerformRead → shared lock acquired (same group) TX2: PerformUpdate → upgraded, TX1 rolled back TX1: PerformUpdate → broken lock detected

Parameters

grainStatesstring