JEE5 TUTORIAL PDF

This tutorial creates a web application called CustomerApp that performs the CRUD functions on the customer records provided by the Netbeans sample database served by the Glassfish built-in database server, JavaDB Derby. Although the application is developed for demo purpose, its architecture represents the best practice in developing an Enterprise application, whereby modularity , scalability and reusability are taken into consideration. The application is organized into the various tiers: Presentation , Business , Data Access and Data , where each has an important role to play and are segregated from one another. This architecture encourages clean separation of responsibilities, reusability and scalability through the use of Enterprise Java Beans.

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This release is fully Java EE 5 certified. First we will go over some basic information about the Websphere AS environment that we used for these examples. We will go over the details of those steps with the JEE5 booking example. We will also deploy the JPA example application. Websphere AS is a commercial product and so we will not discuss the details of its installation other than to say follow the directions provided by your particular installation type and license.

This section will detail the exact server versions used, installation tips, and some custom properties that are needed for all of the examples. All of the examples and information in this chapter are based on the version V7 of Websphere AS at the time of this writing.

Websphere Application Server V7. After installing Websphere AS, create server profile with Profile Management Tool, if you didn't create profile in installation process. Out of the box it is designed to run on Glassfish, but with the steps below it can be deployed to Websphere. It should look like this:.

See at the following final code:. We have to make some changes to the EJB references in the web. This means that if your application's components. For this example we will be using the default datasource that comes with WAS. To do this change the jta-data-source element:. Then we need to adjust some of the hibernate properties.

First comment out the Glassfish properties. X and 7. You will need to get the GlassfishDerbyDialect. This class will be put into the jboss-seam-jee5. The files are identical except for the column difference.

Use the following command to make the copy. In order to get the changes we have made into our application we need to make some changes to the build. There are also some additional jars that are required by our application in order to work with WAS.

This section will cover what changes are needed to the build. We remove the log4j. Additional steps are required to fully configure log4j and those are outside of the scope of this document.

Add the following entry to the bottom of the build. This overrides the default fileset that is used to populate the jboss-seam-jee5. So now we have everything we need in place. All that is left is to deploy it - just a few steps more. For this we will use Websphere's administration console. As before there are some tricks and tips that must be followed.

The steps below are for the WAS version stated above. The ports are default values, if you changed them substitute your values. At the top of the Enterprise Applications table select Install. Below are installation wizard pages and what needs to done on each:.

Preparing for the application installation. Select the Next button. Select the Fast Path button. Select the Deploy enterprise beans and Allow EJB reference targets to resolve automatically check boxes. This is needed unless you used a Websphere AS tool to package the application.

No changes needed here as we only have one server. No changes needed here. Select the Finish button. Now you will see it installing and deploying your application.

When it finishes select the Save link and you will be returned to the Enterprise Applications table. Now that we have our application installed we need to make some adjustments to it before we can start it:. Starting from the Enterprise Applications table select the Seam Booking link. Select the jboss-seam-jee5-booking. Change the Class loader order combo box to Classes loaded with application class loader first parent last.

Select Apply and then Save options. On this page select the Class loading and update detection link. Select the radio button for Classes loaded with application class loader first. To start the application return to the Enterprise Applications table and select our application in the list. Then choose the Start button at the top of the table. Thankfully getting the jpa example to work is much easier than the jee5 example.

It does not use EJB3. The example already has a breakout of configurations and build scripts for many of the common containers including Websphere.

First thing we are going to do is build and deploy that example. Then we'll go over some key changes that we needed. This will create container specific distribution and exploded archive directories with the websphere7 label.

From the Enterprise Applications table select the Install button. Select the Next button for the next three pages, no changes are needed. In the Context root text box enter jboss-seam-jpa. Review the settings if you wish and select the Finish button to install the application. When installation finished select the Save link and you will be returned to the Enterprise Applications table. As with the jee5 example there are some class loader changes needed before we start the application.

Finally start the application by selecting it in the Enterprise Applications table and clicking the Start button. The Websphere version requires several library packages because they are not included as they are with JBoss AS. These are primarily for hibernate and their dependencies. Out of box seam-gen will produce applications configured to run on JBoss AS.

These instructions will show the steps needed to get it to run on Websphere. This section will take you through the exact steps. The first step is setting up seam-gen to construct the base project. There are several choices made below, specifically the datasource and hibernate values that we will adjust once the project is created. Alter the jta-data-source to be DefaultDatasource. We are going to be using the integrated Websphere DB.

Add or change the properties below. You'll need to alter persistence-prod. As with other examples we need to include this java class for DB support. You can delete this file as we aren't deploying to JBoss AS jboss-app. We do not need managed-persistence-context for this example and so can delete its entry. Add the Stateless annotation to the new AuthenticatorAction class. Create an interface called Authenticator which AuthenticatorAction implements EJB3 requires session beans to have a local interface.

Annotate the interface with Local , and add a single method with same signature as the authenticate in AuthenticatorAction. We've already added its reference to the web. Change the default target to archive we aren't going to cover automatic deployment to Websphere. Now we need to get extra jars into the build. Add the new includes at the bottom of the fileset. Build your application by calling ant in the base directory of your project ex.

Websphere AS environment and deployment information Installation versions Configuration file changes Deploying the application to Websphere The jpa booking example Building the jpa example Deploying the jpa example

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DevelopJavaEE5App

This release is fully Java EE 5 certified. First we will go over some basic information about the Websphere AS environment that we used for these examples. We will go over the details of those steps with the JEE5 booking example. We will also deploy the JPA example application. Websphere AS is a commercial product and so we will not discuss the details of its installation other than to say follow the directions provided by your particular installation type and license.

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