I am using eclipselink JPA implementation (Entity) with GWT 2.0 framework on presentation layer. Everything is working properly. But when i change my JPA implementation to Hibernate, I get Serializati
I have a Entity with a field which I want to be an Enum. @Column(name = \"TEMPRATURE_ZONE\") @Enumerated(STRING)
Consider the code in How do I delete all JPA entities? The documentation here http://download.开发者_运维知识库oracle.com/docs/cd/E17410_01/javaee/6/tutorial/doc/gjitv.html
In my testing code I need to have a blank/empty database at each method. Is there code that wo开发者_运维技巧uld achieve that, to call in the @Before of the test?Actually you always can use JPQL,
I have a JAX-RS webservice that makes use of JPA entity classes.I have a resource class like this: @Path(\"/entity\")
I wonder about a good way to have an EntityManager in each Bundle. Or how to use correctly JPA in an OSGi program.
I have this persistence unit: <?xml version=\"1.0\" encoding=\"UTF-8\"?> <persistence version=\"1.0\" xmlns=\"http://java.sun.com/xml/ns/persistence\" xmlns:xsi=\"http://www.w3.org/2001/XMLS
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I am trying to get a small sample web app up and running but I have run into a problem injecting the Entity Manager Factory.
I\'d like to create one Bundle that is able to use Java Persistence. To achieve this, I\'ve created a plugin project within Eclipse. In my project, I\'ve created a persistence.xml file into META-INF.
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