9 | Storing JPA Entity ObjectsNew entity objects can be stored in the database either explicitly by invoking the persist method ... an instance of the Employee entity class in the database: Employee employee = new Employee("Samuel ... state is New. An explicit call to persist associates the object with an owner EntityManager em |
1 | Step 4: Add a Controller ClassIn this step we will add a Spring Controller to manage guestbook web requests: Open the [New Java ... ) and selecting New > Class. The package name should be guest. Enter GuestController as the class name - use exactly that case sensitive class name. Click Finish to create the new Spring Controller class. Now |
1 | Step 4: Add a Controller ClassIn this step we will add a Spring Controller to manage guestbook web requests: Open the [New Java ... New > Java Class... Enter GuestController as the class name - use exactly that case sensitive class name. The Package should be guest. Click Finish to create the new Spring Controller class. Now |
1 | Step 2: Entity Class and Persistence UnitTo store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New ... ) and selecting New > Entity Class... (or New > Other... > Persistence > Entity Class and clicking ... name - use exactly that case sensitive package name. Click Next to create the new entity class. In |
1 | Step 2: Entity Class and Persistence UnitTo store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New ... ) and selecting New > Entity Class... (or New > Other... > Persistence > Entity Class and clicking ... name - use exactly that case sensitive package name. Click Next to create the new entity class. In |
1 | Step 4: Add a Servlet ClassIn this step we will add a servlet to manage guestbook web requests: Open the [New Servlet] dialog box by right clicking the guest package node (in the [Projects] window) and selecting New > Servlet ... package name should be guest. Click Finish to create the new servlet class. Now replace the content |
1 | Step 4: Add a Servlet ClassIn this step we will add a servlet to manage guestbook web requests: Open the [New Servlet] dialog box by right clicking the guest package node (in the [Projects] window) and selecting New > Servlet ... package name should be guest. Click Finish to create the new servlet class. Now replace the content |
1 | 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 |
1 | Step 2: Define a JPA Entity ClassTo 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 |
1 | 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 |
