Java Persistence/Advanced Topics - Wikibooks, open books for an open world - 0 views
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Events
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hook into a system that allows the execution of some code when the event occurs
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JPA defines several events for the persistent
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life-cycle
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of Entity objects
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JPA defines the following events:
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PostLoad
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PrePersist
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PostPersist
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PreUpdate
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PostUpdate
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PreRemove
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PostRemove
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after an Entity is loaded into the
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persistence context
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before the persist operation is invoked on an Entity
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after a refresh operation.
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before the remove operation is invoked on an Entity
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cascade of a remove operation
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during a flush or commit for orphanRemoval in JPA 2.0
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after an instance is deleted from the database
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occurs during a flush or commit operation
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after the database DELETE has occurred
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before the transaction is committed
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after an instance is updated in the database
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occurs during a flush or commit operation
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after the database UPDATE has occurred
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before the transaction is committed
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before an instance is updated in the database
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occurs during a flush or commit operation
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after the database UPDATE has occurred
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before the transaction is committed
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after a new instance is persisted to the database
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occurs during a flush or commit operation
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after the database INSERT has occurred
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before the transaction is committed
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Id of the object should be assigned
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merge for new instances
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cascade of a persist operation
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Id of the object may not have been assigned, and code be assigned by the event
