悲观锁(Pessimistic Locking):在数据有加载的时候就给其进行加锁,直到该锁被释放掉,其他用户才可以进行修改,优点:数据的一致性保持得很好,缺点:不适合...
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Pessimistic Offline Lock 悲观离线锁
A standardardized pessimistic lock manager.
一个标准化的悲观锁(pessimistic lock)管理器。
Lock the entire table before saving (pessimistic locking).
保存(悲观锁)之前锁定整个表。
Apache openjpa had previously provided the openjpa.LockManager property and the ReadLockMode hint, which can be used to further configure pessimistic lock semantics within openjpa.
Apache openjpa以前提供了openjpa . LockManager属性和ReadLockMode hint,可以用于在openjpa内进一步配置悲观锁语义。
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