EmbbededGF@JavaOneHyd
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The document discusses how to use Embedded GlassFish to boost productivity by running GlassFish within a Java application using APIs to start, deploy to, and manage GlassFish. It provides an overview of the Embedded GlassFish APIs, distributions, and Maven plugin as well as use cases and the current state of Embedded GlassFish. The Embedded GlassFish APIs allow developers to programmatically start an embedded GlassFish instance, deploy applications to it, and access services like the web container.
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EmbbededGF@JavaOneHyd
- 2. Boosting Productivity using Embedded GlassFish Prasad Subramanian Software Engineering Manager
- 3. The following is intended to outline our general product direction. It is intended for information purposes only, and may not be incorporated into any contract. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. The development, release, and timing of any features or functionality described for Oracle’s products remains at the sole discretion of Oracle
- 4. Agenda Demo
- 5. What did we do here ?
- 6. How did we do it
- 7. What is Embedded GlassFish API
- 9. Maven plugin Use case for Embedded GlassFish
- 10. State of Embedded GlassFish
- 11. What did we do here Started GlassFish within our test program
- 12. Deployed an application which was not in an archive form
- 13. Access the Servlet from the test program
- 14. Undeployed the application
- 16. All this happened in the VM in which the test program was runnning
- 17. How did we do that ? We “embedded” GlassFish in our test program using a set of APIs collectively known as Embedded GlassFish APIs Embedded GlassFish allows us to start GlassFish within a JVM or bundle GlassFish as a library along with our applications
- 18. What is Embedded GlassFish A set of APIs To configure, manage GlassFish and its container from a host program A distribution To provide the GlassFish runtime to the users Plugins for maven Tooling support for embedding GlassFish using maven
- 19. API
- 20. The Embedded APIs Bootstrap API An API to manage the lifecycle of GlassFish and configure it Scattered Archive API to abstract an archive out of distributed content Web Container API API to manage and configure the Web Container specific artifacts Advanced Plugabbility SPI to allow plugging in of custom GlassFish runtime Embedded EJB API API exposed by the EJB specification to manage an Embedded EJB container alone
- 21. Bootstrap API Scope Obtain an instance of a GlassFish runtime
- 22. Manage the lifecycle ( start / stop)
- 24. Allow deploy and undeploy operations Package org.glassfish.embeddable
- 25. Bootstrap API Key interfaces Glassfish Represents a GlassFish instance & allows lifecycle operations Deployer Provides the deployer to deploy applications CommandRunner Programmatic interface for the CLI 'asadmin' CommandResult Encapsulates the result of the command run via CommandRunner
- 26. Bootstrap API Key classes GlassFishRuntime Represents the runtime environment. Factory class for GlassFish instances BootstrapProperties Encapsulates the properties for configuring the GlassFishRuntime GlassFishProperties Encapsulates the properties for configuring GlassFish instance
- 27. Code sample A code sample sums it up // Set the properties to configure GlassFish instance GlassFishProperties gfProps = new GlassFishProperties(); gfProps.setPort("http-listener", 8080); // Get the GlassFishRuntime and get a GlassFish instance GlassFish glassfish = GlassFishRuntime.bootstrap().newGlassFish(gfProps); //Start the GlassFish glassfish.start(); //get a Deployer instance and deploy the application Deployer deployer = glassfish.getDeployer(); deployer.deploy(new File("simple.war")); // Stops the GlassFish instance glassfish.stop();
- 28. Code Sample Use of the CommandRunner // Set the properties to configure GlassFish instance CommandRunner commandRunner = glassfish.getCommandRunner(); CommandResult commandResult = commandRunner.run("create-jdbc-resource", "--connectionpoolid=DerbyPool", "jdbc/DerbyPool");
- 29. Setting Install Root and Instance Root Install Root - location of GlassFish binaries Instance Root – location of domain specific configuration // Bootstrap the GlassFish runtime pointing to 3.1 installation BootstrapProperties bsProps = new BootstrapProperties(); bsProps.setInstallRoot(System.getenv("GF_INSTALLATION")); GlassFishRuntime gfRuntime = GlassFishRuntime.bootstrap(bsProps); // Point the GlassFish instance to the domain named domain1 GlassFishProperties gfProps = new GlassFishProperties(); gfProps.setInstanceRoot(System.getEnv("GF_INSTALLATION") + "/domains/domain1"); GlassFish glassfish = gfRuntime.newGlassFish(gfProps);
- 30. Key methods in GlassFish getService(ServiceType, ServiceName) Returns an instance of a service like web container or deployer getStatus() Returns the status of GlassFish instance
- 31. Valid values DISPOSED, INIT, STARTED, STARTIN, STOPPED, STOPPING dispose() Cleans up any temporary files created by GlassFish
- 32. Once dispose() is called, further invocations of start() throw an exception
- 33. Scattered Archive API Package : org.glassfish.embeddable.archive
- 34. Abstracts archive contents distributed across directories.
- 35. Key classes ScatteredArchive Abstraction for a Scattered Java EE module ScatteredEnterprise Archive Abstraction for a Scattered Java EE application ScatteredArchiveType Enumeration values for the scattered Java EE module types
- 36. Valid values are RAR | WAR | JAR
- 37. Web Container API Package org.glassfish.embeddable.web
- 38. Set of classes and interfaces that represent an embeddable web container
- 39. Allows for configuration of virtual servers, context and protocol listeners
- 40. Web Container API Key interfaces WebContainer Represents embedded web container, which supports the programmatic creation of web protocol listeners
- 41. virtual servers
- 42. static and dynamic web resources VirtualServer Representation of a virtual server WebListener Interface for protocol listeners Context Representation of a web application Lifecycle Interface for lifecycle event
- 43. Web Container API Key classes WebListenerBase
- 44. HttpListener
- 45. HttpsListener
- 46. AJPListener
- 47. Pluggability SPI Package org.glassfish.embeddable.spi
- 48. Support for plugging in custom runtime
- 49. Key interface RuntimeBuilder Allows users to plugin a custom runtime for GlassFish // Returns a custom GlassFish runtime GlassFishRuntime gfr = runtimeBuilder.build(bsProps);
- 50. EJB Container API Support for an Embedded EJB container
- 52. Distributions
- 53. Distributions How do I get GlassFish in an Embedded mode ?
- 55. Distributed as a self contained jars Implanted Uses an existing GlassFish installation
- 56. Distributions Autonomous Add the jar in your classpath
- 57. Standalone distribution different from GlassFish distributions
- 58. Unzips to a temporary directory where the binaries and domain data are installed
- 59. A custom domain.xml can be specified glassfish-embedded-all.jar glassfish-embedded-web.jar glassfish-embedded-nucleus.jar
- 60. Distributions Implanted Uses glassfish-embedded-static-shell.jar
- 61. Existing GlassFish installation is used
- 62. glassfish-embedded-static-shell.jar is available with standard GlassFish distributions
- 63. Domain data and application data are stored in the installation
- 64. A custom domain.xml can be specified
- 65. Maven Plugin
- 66. Maven plugin Maven plugins for running glassfish within a test
- 67. Provides goals for run
- 68. start
- 69. stop
- 70. deploy
- 71. undeploy
- 72. admin Artifact id – org.glassfish:maven-embedded-glassfish-plugin:3.1
- 73. Use cases Did you say boost in the productivity ? Leaner and faster unit tests that require an application server
- 74. Maven plugin eliminates the need for Java code for standard operations
- 75. Facilitates GlassFish embedded in an IDE Applications that need to bundle GlassFish OEMs
- 76. State of Embedded GlassFish API design is done
- 78. Shipped to the community as a part of the 3.1 community release
- 79. Adding tests to verify fidelity with standalone GlassFish
- 80. Working on passing TCKs to claim compliance fidelity with standalone GlassFish
- 81. Resources Blogs http://www.java.net/author/bhavanishankar-s One Pager ( technical specification) http://wikis.sun.com/display/glassfish/3.1EmbeddedOnePager Documentation http://download.oracle.com/docs/cd/E18930_01/html/821-2424/index.html Javadocs http://embedded-glassfish.java.net/nonav/apidocs/
- 82. Boosting your productivity using Embedded GlassFish