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Tutorial
10

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New ... ) and selecting New > Class. Enter guest as the package name - use exactly that case sensitive package ... to create the new class. The new class should represent Guest objects in the database. Use copy
Tutorial
10

Step 4: Add a Servlet Class

] dialog box by right clicking the guest package node (in the [Package Explorer] window), selecting New ... GuestServlet as the class name - use exactly that case sensitive class name. Click Finish to create the new servlet class. Now replace the content of the new source file with the following code: package guest
Tutorial
10

Step 2: Define a JPA Entity Class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New ... ) and selecting New > Java Class... Enter Guest as the class name - use exactly that case sensitive class name ... to create the new class. Use copy and paste to replace the new source file content with the following
Manual
10

Shared (L2) Entity Cache

the persistence context, rather than a new instantiated entity object. The scope of the persistence context ... the database and added to the shared cache. On commit - new and modified entity objects are added ... .persistence.cache.storeMode The  "javax.persistence.cache.storeMode" property specifies if new data
Tutorial
10

Step 3: Define a Spring DAO Component

) that we will define in this step as a Spring MVC component: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Projects] window under Source Packages) and selecting New ... . The Package should be guest. Click Finish to create the new DAO Spring component class. Now replace
Tutorial
10

Step 1: Create a Web Project

We start by creating a new Eclipse Dynamic Web Project: Open the [New Project] dialog box, e.g. by using File > New > Project... Select Web > Dynamic Web Project and click Next. Choose a Project Name ... 6 as a new server by clicking the New Runtime... button. Follow the instructions and specify
Tutorial
10

Step 3: Define an EJB Session Bean

that we will define in this step: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Package Explorer] window) and selecting New > Class. The package name should be guest ... the new session bean (EJB) class. Now replace the content of the new source file with the following
Manual
10

Retrieving JPA Entity Objects

entity object is not found in the persistence context a new object is constructed and filled with data that is retrieved from the database (or from the L2 cache - if enabled). The new entity object ... . Notice that construction of a new managed object during retrieval uses the no-arg constructor
Tutorial
10

Step 3: Define a Spring DAO Component

) that we will define in this step as a Spring MVC component: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Package Explorer] window) and selecting New > Class ... name. Click Finish to create the new DAO Spring component class. Now replace the content of the new
Tutorial
10

Step 3: Define an EJB Session Bean

that we will define in this step: Open the [New Session Bean] dialog box by right clicking the guest package node (in the [Projects] window), selecting New > Other... > Java EE (or Enterprise JavaBeans ... class name. The Java package name should be guest. Click Finish to create the new session bean (EJB