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Tutorial
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Spring MVC JPA Tutorial - NetBeans Project

To open and run the Spring MVC JPA tutorial project in NetBeans: Download and extract the project zip file: Spring MVC JPA - Maven Project (8KB) Open the Maven project in NetBeans: Select File > Open Project.... Select the guestbook-spring directory and click Open Project. Run the project: Select
Tutorial
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Step 1: Create a Java Project

We start by creating a new NetBeans Project: Open the [New Project] dialog box, e.g. by using File > New Project... Select Java > Java Application and click Next. Choose a Project Name (e.g. Tutorial ... ] window and select Add Jar/Folder... Select the objectdb.jar file from the bin subdirectory
Tutorial
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Step 3: Add a Main Class

: Query q1 = em.createQuery("SELECT COUNT(p) FROM Point p"); System.out.println("Total Points ... .createQuery("SELECT AVG(p.x) FROM Point p"); System.out.println("Average X: " + q2.getSingleResult ... =  em.createQuery("SELECT p FROM Point p", Point.class); List results
Tutorial
15

Step 4: Create an ObjectDB Data Set

and selecting New Data Set. Select the data source that was created in the previous step (e.g. ObjectDB ... a specified range: SELECT p.x as x, p.y as y FROM Point p WHERE p.x BETWEEN :low AND :high Use copy
Tutorial
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Step 5: Design a BIRT Report Chart

In this step we will add a simple chart to the report: Open the [New Chart] dialog box by dragging a Chart from the [Palette] window and dropping it on the report design (.rptdesign) layout. In the [Select Chart Type] tab select Tube as the chart type and click Next. In the [Select Data] tab
Tutorial
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Step 7: Run the Spring Web App

the [Project Explorer] window), selecting Run As > Run on Server, selecting the Tomcat 6.0 server ... the embedded Maven Jetty plugin: Right click the project node and select Run As > Maven Build... Enter
Manual
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UPDATE SET Queries in JPA/JPQL

an alternative way for updating entity objects. Unlike SELECT queries, which are used to retrieve data from ... method returns the number of objects that have been modified by the query. Selective Update UPDATE ... , which is essential for updating selected entity objects, is supported. For example, the following query updates
JPA Doc
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javax.persistence.criteria.Subquery

>, Selection, TupleElement The Subquery interface defines functionality that is specific to subqueries. A subquery has an expression as its selection item. Since: JPA 2.0 Selection alias(String name) Assigns an alias to the selection item. Assigns an alias to the selection item. Once assigned
JPA Doc
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javax.persistence.criteria.CriteriaBuilder

selections, expressions, predicates, orderings. Note that Predicate is used instead of Expression in ... CompoundSelection array( Selection... selections) Create an array-valued selection item. Create an array-valued selection item. Parameters: selections - selection items Returns: array-valued
JPA Doc
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JPA Queries

. "SELECT c FROM Country"). Criteria Query API Building dynamic queries with structure that is known ... three groups. SELECT and ORDER BY elements (including tuples): FROM clause elements (representing range