Tag Archives: Hibernate

Hibernate example 3 – one to one associations

Just put a Hibernate example of the three different ways to create one-to-one associations on github: https://github.com/hedleyproctor/hibernate-one-to-one It contains a Customer entity, which has one-to-one associations to a UserProfile, MarketingPreferences and a Wistlist. Foreign key relationship. Customer has a foreign … Continue reading

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Hibernate example 2 – one-to-many associations

Just put an example of how to use one-to-many associations with Hibernate on Github: https://github.com/hedleyproctor/hibernate-one-to-many Shows two examples of a one-to-many relationship between entities: Unordered one-to-many between Customer and Address. Ordered one-to-many between Customer and PaymentCard. The unordered association uses … Continue reading

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Hibernate example 1 – inheritance and polymorphism

Have just put an example on Github of how to handle inheritance and polymorphism with Hibernate: https://github.com/hedleyproctor/hibernate-polymorphism It demonstrates the four ways of dealing with inheritance and polymorphism: Implicit polymorphism – no explicit mapping of the inheritance, but Hibernate can … Continue reading

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Hibernate aliases

My colleague Raj was recently updating a Hibernate criteria query which made use of aliases. He wanted to add a criterion that a value in a linked table must be null, so the most obvious change to make was to … Continue reading

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