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What is the difference between embedding a persistent object and a relationship with another entity object?

April 26, 2017difference embedding entity object persistent relationship

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What is the difference between embedding a persistent object and a relationship with another entity object?

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There are two ways that an entity object may refer to another object. In the first approach, called embedding, the referenced object is simply defined as a field of the entity class. The only requirement is the the class of the embedded object be @Persistent.