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Tutorial
2

Java EE JPA Tutorial - Maven Project

The current directory should be guestbook-jee6. You will have to deploy the generated WAR file in
Manual
2

JPA Entity Fields

static type, including a generic java.lang.Object, as long as the type of the actual value at runtime
JPA Doc
2

JPA Exceptions

of the JPA exception class subtree is: General errors are represented directly by
Manual
2

JPA Metamodel API

The JPA Metamodel API provides the ability to examine the persistent object model and retrieve details on managed classes and persistent fields and properties, similarly to the ability that Java reflection provides for general Java types. The Metamodel Interface The main interface of the JPA
JPA Doc
2

JPA Miscellaneous

This section contains miscellaneous JPA types. The PersistenceUtil and PersistenceUnitUtil interfaces provide general utility methods: The Cache interface and the CacheRetrieveMode and CacheStoreMode enum types serve in managing the EntityManagerFactory's shared (level 2) cache: Other enum types are provided for setting of various JPA operations:
Manual
2

Online Backup

 database file using the code above could generate a backup whose full path is c:\objectdb\backup
Manual
2

Query Parameters in JPA

, which generally excels in its thin and simple API. There are 9 methods for setting parameters in a query
Tutorial
2

Step 2: Entity Class and Persistence Unit

the [Project Explorer] window) and selecting New > Folder (or New > Other... > General > Folder
Tutorial
2

Step 3: Add a Main Class

In this step we will add code to the Main class (that was generated with the project) in order to store Point objects in the database and then retrieve them from the database. Use copy and paste to replace the content of the Main class with the following content: package tutorial; import javax
Tutorial
2

Step 4: Add a Controller Class

(which is presented in the next tutorial step) that generates the HTML output. The JSP uses the GuestDao