About projection

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Tutorial
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Step 7: Run the Spring Web App

At this stage your project should have the following structure: Use copy and paste to replace ... Main Project from the main menu (or F6): You can select the server in the Run category of the project properties window (right click the project node and select Properties to open it). Alternatively
Tutorial
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Step 7: Run the Spring Web App

At this stage your project should have the following structure: Use copy and paste to replace ... a server in your Eclipse - you can run the application now by right clicking the project node (in the [Project Explorer] window), selecting Run As > Run on Server, selecting the Tomcat 6.0 server
Tutorial
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Step 2: Entity Class and Persistence Unit

Entity Class] dialog box, e.g. by right clicking the project node (in the [Projects] window ... in the database was created in the project (under Source Packages > guest). Use copy and paste ... file that was added to the project (under Configuration Files). Open the persistence.xml file in
Tutorial
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Step 2: Entity Class and Persistence Unit

the project node (in the [Package Explorer] window), select New > Source Folder, enter src/main/java ... that should represent Guest objects in the database was created in the project (under Java Resources ... : Right click the src/main/resources node (in the [Project Explorer]) and select New > Folder
Manual
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JPA / JDO Class Enhancer

> ... Complete ObjectDB Maven projects are available for download on the Tutorial pages ... ="true" classpath="c:\objectdb\bin\objectdb.jar">
Tutorial
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Step 2: Entity Class and Persistence Unit

Entity Class] dialog box, e.g. by right clicking the project node (in the [Projects] window ... the database was created in the project (under Source Packages > guest). Use copy and paste to replace ... that was added to the project (under Other Sources > src/main/resources > META-INF). Open
Manual
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Retrieving JPA Entity Objects

.EAGER) private Collection<Project> projects; : } Specifying FetchType.EAGER explicitly in ... all the referenced Project instances are also retrieved automatically. Retrieval by Navigation
Manual
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Updating JPA Entity Objects

); em.getTransaction().begin(); employee.projects[0] = new Project(); // not detected automatically JDOHelper.makeDirty(employee, "projects"); // reported as dirty em.getTransaction
Tutorial
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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 Java Class] dialog box, e.g. by right clicking the project node (in the [Projects] window) and selecting New > Java Class... Enter Guest as the class name - use exactly that case sensitive class name
Tutorial
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JPA Tutorials [2011-02-09]

Framework 3 web application: Spring MVC and JPA Maven Projects for Download The tutorials provide step by ... are also available for download as ready to use Maven projects (which can be opened and used in Eclipse, NetBeans, IntelliJ IDEA and JDeveloper).