I know that when overriding hashcode() and equals() of my persistent entities I should not include ID and only include the meaningful properties that uniquely identify the object.
I am using Hibernate 3.6.6 with Sping 3.0.4 After adding @org.hibernate.annotations.Entity(optimisticLock=OptimisticLockType.ALL, dynamicUpdate=true)
Under what circumstances would it be appropriate to explicitly exclude optimistic locking from a @OneToMany relationship via Hibernate?
We\'re running into problems with a race condition in our rails app.Here\'s a bit of (simplified) code before I explain:
I have a high_scores table in my database, it has two values: player_id highest_score I need a repository method that saves a new high score.I don\'t really want to dirty up my code with optimistic
We developing se开发者_如何学Pythonrvice were for each client user can make appointment. Is there strategy-table in database (MS SQL SERVER) for each client will be proper?
I want to achieve concurrency check using nHibernate 3 using UnitOfWork pattern. To be more precise: open new session session,
I am new to use \"optimistic locking\" mechanism - I am using hibernate (in Jboss) and Container Managed Transaction (CMT).
I am trying openjpa and jpa. All I have is one entity class as corresponding table in the database. one of the attributes of the entity is username and corresponding row in the db table has varchar2(2
Ihave an object GeneralKnowledgeTest and it contains a lot of statistics fields (ratingsCount, responsesCount, ra开发者_如何学JAVAtingStars ...) which are updated every time a user will take that test
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