Quite nice. Hibernate is really flexible with user-defined types. I wish
that JPA had a general mechanism for it...
Derek
On Mon, Sep 14, 2009 at 1:39 PM, Charles F. Munat <c...@munat.com> wrote:
>
> It occurs to me that I should probably share this. I've been using
> Jorge's wonderful Scala wrapper for JodaTime and I needed to persist
> DateTime and LocalDate. I found a Hibernate project that makes this
> possible. (Note that Jorge's wrapper is a work in progress and doesn't
> cover everything in JodaTime, but you can just use the JodaTime classes
> directly, which I did for DateTimeFormatter and DateTimeFormatterBuilder.)
>
> In pom.xml:
>
> <dependency>
> <groupId>org.scala-tools</groupId>
> <artifactId>time</artifactId>
> <version>2.7.5-0.2-SNAPSHOT</version>
> </dependency>
> <dependency>
> <groupId>joda-time</groupId>
> <artifactId>joda-time</artifactId>
> <version>1.6</version>
> </dependency>
> <dependency>
> <groupId>joda-time</groupId>
> <artifactId>joda-time-hibernate</artifactId>
> <version>1.1</version>
> </dependency>
>
> In the JPA entity classes:
>
> @Type{val `type`="org.joda.time.contrib.hibernate.PersistentDateTime"}
> @Column{val name="created_at", val updatable = false}
> var createdAt: DateTime = DateTime.now
>
> Gets persisted as a "timestamp without time zone" in PostgreSQL.
>
> @Type{val `type`="org.joda.time.contrib.hibernate.PersistentLocalDate"}
> @Column{val name = "born_on"}
> var bornOn: LocalDate = new LocalDate()
>
> Gets persisted as a "date" in PostgreSQL.
>
> http://joda-time.sourceforge.net/
> http://github.com/jorgeortiz85/scala-time
> http://joda-time.sourceforge.net/contrib/hibernate/index.html
>
> Chas.
>
> >
>
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