APPENDIX B n HIBERNATE TOOLS 279 n (Web hosting mysql) HIBERNATE
APPENDIX B n HIBERNATE TOOLS 279 n HIBERNATE TOOLS 279 With the query still in the scratch pad, click the icon shaped like the letter P (shown in Figure B-20, just to the right of the Outline tab). A new row will be added to the view, representing the parameter in the query. By editing the values in this row, you can change the details of the parameter (both the value assigned to it and the type of that value). Figure B-20. Assigning a typed value to the id query parameter If you edit the query parameter row so that it contains the data shown in Figure B-20, running the query will return results equivalent to those produced by the following code fragment: Query query = session.createQuery( “select owner from Notepad where owner = :username”); query.setString(”username”,”Dave Minter”); List results = query.list(); All the standard Hibernate types are available to you, and the console will log appropriate errors when you try to execute queries that combine types in inappropriate ways for the object model. The Entity Model If you select the Hibernate Entity Model view (usually located as a tab option in the view at the bottom right-hand corner of the Hibernate Console perspective) for the project, and then select the Configuration node of the configuration view, a graphical representation of the entities in the model will be displayed in the Entity Model view, as shown in Figure B-21. Figure B-21. The Entity Model view of our model The view allows you to place the entities using the mouse or lay them out automatically. You can zoom into or out of the view, and you can print its contents. At the time of writing, this feature is quite primitive and is therefore of limited use.
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