![]() Let's see how we can use these to persist and retrieve the entities we created earlier: private void persistTestData(EntityManagerFactory entityManagerFactory, Editor editor)Ĭom.transactionManager() ĮntityManager entityManager = entityManagerFactory.createEntityManager() Along with this, we need to create TransactionManager to handle transaction boundaries. ![]() Thereafter, before we can perform any operation, we'll need an instance of EntityManagerFactory. We can use this to create EntityManager. We'll also establish their relationships. Here, we'll create an Editor, a few Author, and some Article. As a first step, we'll have to generate some test data. Now that we've created our entities, let's see if we can perform some operations on them.
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