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About EntityManager

91-100 of 200Refresh
Manual
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JPA Named Queries

at runtime by the same Query and TypedQuery interfaces but different EntityManager factory methods
Manual
8

JPA Query API

with an EntityManager (represented by em in the following code snippets), which serves as a factory
Manual
8

Online Backup

on an EntityManager (em) that represents the connection (local or remote) to the database:     em
Tutorial
8

Step 3: Add a Main Class

= Persistence.createEntityManagerFactory("$objectdb/db/points.odb"); EntityManager em
Tutorial
8

Step 3: Add a Main Class

("$objectdb/db/points.odb"); EntityManager em = emf.createEntityManager(); // Store 1000
Tutorial
8

Step 6: Set the Spring XML

, controllers and transactions), to inject a JPA EntityManager, to manage transactions and to look for JSP
Tutorial
8

Step 6: Set the Spring XML

, controllers and transactions), to inject a JPA EntityManager, to manage transactions and to look
Result
8

Posting to ObjectDB Website - Important Instructions

");         EntityManager em = emf.createEntityManager();         em.getTransaction().begin();         MyEntity e = new
JPA Doc
8

JPA Queries

getCriteriaBuilder method or by the EntityManager's getCriteriaBuilder method (both methods
JPA Doc
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javax.persistence.EntityNotFoundException

EntityManager.getReference is accessed but the entity does not exist. Thrown when EntityManager.refresh is called and the object no longer exists in the database. Thrown when EntityManager.lock is used ... , if one is active, will be marked for rollback. Since: JPA 1.0 See Also: EntityManager.getReference