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Hibernate: How to force hibernate to define types for collections?

I am completely lost with the hibernation problem and hope you can help me =)!

Here's my problem:

I have a database with two tables, an address book and a contact. The relationship between them in my scenario is 1: n.

Now Hibernate generates the following code for me after reverse engineering in the "AbstractAddressbook" class:

private Set contacts = new HashSet(0);

But instead, I need the following:

private Set<Contact> contacts = new HashSet<Contact>(0);

How can I do this, where do I need to configure it for reverse engineering?

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3 answers


When you are working with MyEclipse, just add the HibernateTemplate that comes with MyEclipse

I suggest you follow this tutorial:



http://www.myeclipseide.com/documentation/quickstarts/hibernate/

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In Exporters under "Hibernation Code Generation Configuration" select "Use Java 5 Syntax"



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Thanks for the clarification (I've cleaned up the trash here). I cannot say that I have any experience with Hibernate reverse engine. I would recommend using the Eclipse JPA tools (eclipse.org) and "generate entities" from a new JPA project using a simple JDBC connection. (There are many tutorials out there). It does a good job of mapping the database, and it does a pretty good job of inferring the correct types (you might need to change the set to a list or some such thing). I ran this 4 days ago against a moderately complex database and it worked great.

Unless you have a weird requirement (like it should be in a pure Hibernate XML config or whatever), JPA tools usually do well and they are free. (Note: JBoss tools, Eclipse plugin, must also have Hibernate tools and can generate xml mappings).

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