7 | JPA Primary Key query run performance: @Entity public class Event { @EmbeddedId EventId id |
7 | JPA Entity Fields, such as Hibernate, using property access may have some performance benefits. This is not the case |
7 | Apache License, Version 2.0, January 2004 of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative |
1 | Step 3: Define a Spring DAO ComponentOperations on the database will be performed by an instance of a Data Access Object (DAO) 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 |
1 | Step 3: Add a Context Listener ClassThe Guest entity objects will be stored in an ObjectDB database, which will be represented by a JPA's EntityManagerFactory instance with a global application scope. We have to register a ServletContextListener to perform initialization and cleanup operations: The database will be opened (or created |
1 | Step 4: Add a Servlet Class the list of guests: doGet(request, response); } } GuestServlet performs |
1 | Step 4: Add a Servlet Class(request, response); } } GuestServlet performs the following operations on every http request |
1 | Step 3: Define an EJB Session BeanOperations on the database will be performed by an instance of a session bean (EJB) class 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 |
1 | Step 3: Add a Context Listener ClassThe Guest entity objects will be stored in an ObjectDB database, which will be represented by a JPA's EntityManagerFactory instance with a global application scope. We have to register a ServletContextListener to perform initialization and cleanup operations: The database will be opened (or created |
0 | [ODB1] Chapter 3 - Persistent Classes methods that perform the same accesses but also report to ObjectDB. Tracking changes in persistent |
