JPA - Detached Entity

Card Puncher Data Processing


A detached entity results from:

The inverse of detached is managed ??

The state of detached entity instances is no longer guaranteed to be synchronized with the database state.

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Card Puncher Data Processing
JPA - Entity (Operations|Lifecycle)

All entity operations are described in the chapter 3: Entity Operations of the specification The following operations are possible: PERSIST, MERGE, REMOVE, REFRESH, DETACH FLUSH This...
Card Puncher Data Processing
JPA - Managed Entity

future updates to the entity will be tracked. persistence context The contains() method can be used to determine whether an entity instance is managed in the current persistence context. The...
Card Puncher Data Processing
JPA - Removed Instance

A managed entity instance becomes removed by: invoking the remove method on it or by cascading the remove operation. If X is a: new entity, it is ignored by the remove operation. However, the...
Card Puncher Data Processing
JPA - Transaction

The managed entities of: a transaction-scoped persistence context become detached when the transaction commits. an extended persistence context remain managed. For both transaction-scoped and...

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