Quickstarts

carmart-tx: Basic Infinispan example with transactions

What is it?

Transactional CarMart is a simple web application that uses Infinispan instead of a relational database.

Users can list cars, add new cars or remove them from the CarMart. Information about each car is stored in a cache. The application also shows cache statistics like stores, hits, retrievals, etc.

The Transactional CarMart quickstart works only in a library mode", so the application has a slightly different architecture". All libraries (jar files) are bundled with the application and deployed to the server. Caches are configured programmatically and run in the same JVM as the web application.

All operations are done in a transactional context that is configured at JBossASCacheContainerProvider/TomcatCacheContainerProvider impl classes for CacheContainerProvider interface.

Infinispan ships with several transaction manager lookup classes:

  • DummyTransactionManagerLookup : This provides with a dummy transaction manager which should only be used for testing. Being a dummy, this is not recommended for production use a it has some severe limitations to do with concurrent transactions and recovery.
  • JBossStandaloneJTAManagerLookup : If you're running Infinispan in a standalone environment, this should be your default choice for transaction manager. It's a fully fledged transaction manager based on JBoss Transactions which overcomes all the deficiencies of the dummy transaction manager.
  • GenericTransactionManagerLookup : This is a lookup class that locate transaction managers in the most popular Java EE application servers (JBoss, JRun4, Resin, Orion, JOnAS, BEA Weblogic, Websphere, Glassfish). If no transaction manager can be found, it defaults on the dummy transaction manager.
  • JBossTransactionManagerLookup : This lookup class locates the transaction manager running within a JBoss Application Server instance.

System requirements

All you need to build this project is Java 6.0 (Java SDK 1.6) or better, Maven 3.0 or better.

The application this project produces is designed to be run on JBoss Enterprise Application Platform 6 or JBoss AS 7.

Configure Maven

If you have not yet done so, you must Configure Maven before testing the quickstarts.

Start JBoss Enterprise Application Platform 6 or JBoss AS 7

  1. Open a command line and navigate to the root of the JBoss server directory.
  2. The following shows the command line to start the server with the web profile:

    For Linux:   JBOSS_HOME/bin/standalone.sh
    For Windows: JBOSS_HOME\bin\standalone.bat
    

Build and Deploy the Application in Library Mode

NOTE: The following build command assumes you have configured your Maven user settings. If you have not, you must include Maven setting arguments on the command line. See Build and Deploy the Quickstarts for complete instructions and additional options.

  1. Make sure you have started the JBoss Server as described above.
  2. Open a command line and navigate to the root directory of this quickstart.
  3. Type this command to build and deploy the archive:

    mvn clean package jboss-as:deploy
    
  4. This will deploy target/jboss-as-carmart-tx.war to the running instance of the server.

Access the application

Access the running application in a browser at the following URL: http://localhost:8080/jboss-as-carmart-tx/

Undeploy the Archive

  1. Make sure you have started the JBoss Server as described above.
  2. Open a command line and navigate to the root directory of this quickstart.
  3. When you are finished testing, type this command to undeploy the archive:

    mvn jboss-as:undeploy
    

Debug the Application

If you want to debug the source code or look at the Javadocs of any library in the project, run either of the following commands to pull them into your local repository. The IDE should then detect them.

mvn dependency:sources
mvn dependency:resolve -Dclassifier=javadoc

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Feedback

Find a bug in the guide? Something missing? You can fix it by [forking the repository](http://github.com/jboss-jdf/jboss-as-quickstart), making the correction and [sending a pull request](http://help.github.com/send-pull-requests). If you're just plain stuck, feel free to ask a question in the [user discussion forum](http://jboss.org/jdf/forums/jdf-users).

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