Enterprise Development

Transcription

1 Enterprise Development with

2 What needs to be done to run JEE like applications inside Karaf?

3 @anierbeck - Karaf PMC, Apache Member - OPS4j Pax Web Project Lead - Senior IT - co-author of Apache Karaf Cookbook 3

4 Agenda Enterprise Requirements OSGi with Karaf Enterprise Requirements on Karaf Specialties Http Service Cellar - or how to cluster Karaf Summary 4

5 Enterprise Requirements

6 Enterprise Java Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 6

7 OSGi with Karaf

8 OSGi - a very brief introduction Modular OSGi Bundles: High Cohesion (One classloader/bundle) Low Coupling (Package Import/Export) Versioning per bundle ( [1.0,2,0) ) Service Registry 8

9 What is Karaf Container OSGi Applications Ligthtweight expandable to Full Enterprise support Covers all major needs Logging Deployment Configuration 9

10 Karaf - Overview JMX Blueprint SSH Config Console Logging Deployer Admin OSGi Framework - Felix / Equinox 10

11 Enterprise requirements on Karaf

12 Karaf Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 12

13 Enterprise - Pax Web Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 13

14 Enterprise - Pax CDI Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 14

15 Enterprise - Aries Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 15

16 Enterprise - Tomee aka OpenEJB Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 16

17 Enterprise - CXF Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 17

18 Enterprise - ActiveMQ Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 18

19 Enterprise - Cellar Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 19

20 Enterprise - Karaf with features Servlet 3 JSP JAX-WS JAX-RS JASPIC JSR-88 EJB 3.1 CDI JAX-RPC JAXB JACC JSR-77 JSF 2 JTA JAXR JMS JCA RMI JPA 2 Bean Validation SAAJ JAAS JavaMail JNDI 20

21 Specialties

22 JPA - Karaf <persistence xmlns=" xmlns:xsi=" xsi:schemalocation=" version="2.0" > <persistence-unit name="cookbook" transaction-type="jta"> <provider>org.apache.openjpa.persistence.persistenceproviderimpl</provider> <jta-data-source> osgi:service/javax.sql.datasource/(osgi.jndi.service.name=jdbc/cookbook) </jta-data-source> <class>de.nierbeck.apachecon.persistence.entity.book</class> <class>de.nierbeck.apachecon.persistence.entity.recipe</class> <exclude-unlisted-classes>true</exclude-unlisted-classes> <properties> <property name="openjpa.log" value="slf4j" /> <property name="openjpa.runtimeunenhancedclasses" value="supported" /> <property name="openjpa.jdbc.synchronizemappings" value="buildschema"/> </properties> </persistence-unit> </persistence> 22

23 JPA - Karaf <persistence xmlns=" xmlns:xsi=" xsi:schemalocation=" To have this blueprint JNDI is needed version="2.0" > <persistence-unit name="cookbook" transaction-type="jta"> <provider>org.apache.openjpa.persistence.persistenceproviderimpl</provider> <jta-data-source> osgi:service/javax.sql.datasource/(osgi.jndi.service.name=jdbc/cookbook) </jta-data-source> <class>de.nierbeck.apachecon.persistence.entity.book</class> <class>de.nierbeck.apachecon.persistence.entity.recipe</class> <exclude-unlisted-classes>true</exclude-unlisted-classes> <properties> <property name="openjpa.log" value="slf4j" /> <property name="openjpa.runtimeunenhancedclasses" value="supported" /> <property name="openjpa.jdbc.synchronizemappings" value="buildschema"/> </properties> </persistence-unit> </persistence> 22

24 JTA - Karaf <blueprint default-activation= eager" xmlns=" xmlns:xsi=" xmlns:jpa=" xmlns:tx=" xsi:schemalocation=" <bean id="cookbookserviceimpl" class="de.nierbeck.apachecon.persistence.dao.cookbookserviceimpl"> <jpa:context property="em" unitname="cookbook" /> <tx:transaction method="*" value="required" /> </bean> <service id="cookbookservice" ref="cookbookserviceimpl" interface="de.nierbeck.apachecon.persistence.api.cookbookservice" /> </blueprint> 23

25 JTA - Karaf <blueprint default-activation= eager" xmlns=" xmlns:xsi=" xmlns:jpa=" xmlns:tx=" xsi:schemalocation=" To have this blueprint JPA and JTA is needed <bean id="cookbookserviceimpl" class="de.nierbeck.apachecon.persistence.dao.cookbookserviceimpl"> <jpa:context property="em" unitname="cookbook" /> <tx:transaction method="*" value="required" /> </bean> <service id="cookbookservice" ref="cookbookserviceimpl" interface="de.nierbeck.apachecon.persistence.api.cookbookservice" /> </blueprint> 23

26 Client - Karaf <?xml version="1.0" encoding="utf-8"?> <blueprint xmlns=" default-activation="lazy"> <reference id="cookbookservice" interface="de.nierbeck.apachecon.persistence.api.cookbookservice" /> <command-bundle xmlns=" <command> <action class="de.nierbeck.apachecon.commands.createbook"> <property name="bookservice" ref="cookbookservice" /> </action> </command>... </command-bundle> </blueprint> 24

27 Demo

28 Persistence 26

29 Client 27

30 Client Shell 28

31 Client - Shell 29

32 Client Shell 30

33 Client - Shell 31

34 Http Service with

35 HTTP Service Using an Activator: final HttpContext httpcontext = httpservice.createdefaulthttpcontext(); // register the BookServlet // first wait for the DAO-Service CookBookService cookbookservice; ServiceReference<CookBookService> servicereference = bundlecontext.getservicereference(cookbookservice.class); cookbookservice = bundlecontext.getservice(servicereference); //now create the servlet ViewBookServlet viewbookservlet = new ViewBookServlet(); //set the DAO to the Servlet viewbookservlet.setcookbookservice(cookbookservice); final Dictionary<String, Object> initparams = new Hashtable<String, Object>(); try { httpservice.registerservlet("/book", // alias viewbookservlet, initparams, httpcontext); 33

36 Whiteboard Using the whiteboard approach via Activator public void start(bundlecontext bc) throws Exception { bundlecontext = bc; // first wait for the DAO-Service CookBookService cookbookservice; ServiceReference<CookBookService> servicereference = bundlecontext.getservicereference(cookbookservice.class); cookbookservice = bundlecontext.getservice(servicereference); // create new Servlet ViewBookServlet cookbookviewservlet = new ViewBookServlet(); cookbookviewservlet.setcookbookservice(cookbookservice); } registerserviced = bundlecontext.registerservice(servlet.class, cookbookviewservlet, null); 34

37 Whiteboard Using the whiteboard approach via Blueprint <blueprint default-activation="eager"> <reference id="cookbookservice" interface="de.nierbeck.apachecon.persistence.api.cookbookservice" /> <bean id="viewbookservlet" class="de.nierbeck.apachecon.view.viewbookservlet" > <property name="cookbookservice" ref="cookbookservice"/> </bean> <service id="servletservice" interface="javax.servlet.servlet" ref="viewbookservlet" /> </blueprint> 35

38 Servlet Just = "/book") public class ViewBookServlet extends HttpServlet { /** * */ private static final long serialversionuid CookBookService cookbookservice; protected void doget(httpservletrequest req, HttpServletResponse resp) throws ServletException, IOException {... } 36

39 LOST?

40 Registering - Servlet Pax-Web HTTP Service Service- Registry Servlet 38

41 Registering - Servlet Registerd Pax-Web HTTP Service Service- Registry Servlet 38

42 Registering - Servlet Registerd Pax-Web HTTP Service Service- Registry Registerd Servlet 38

43 Registering - Whiteboard Pax-Web WebContainer Service-Tracker Service- Registry Servlet 39

44 Registering - Whiteboard Registerd Pax-Web WebContainer Service-Tracker Service- Registry Servlet 39

45 Registering - Whiteboard Registerd Pax-Web WebContainer Service-Tracker Service- Registry Registerd Servlet 39

46 Registering - Whiteboard Registerd Pax-Web WebContainer Service-Tracker Service- Registry Registerd Servlet 39

47 Registering - WAR Pax-Web WebContainer Service- Registry Pax-Web WAR Extender WAB-Bundle Servlet 40

48 Registering - WAR Pax-Web WebContainer Registerd Service- Registry Pax-Web WAR Extender WAB-Bundle Servlet 40

49 Registering - WAR Pax-Web WebContainer Registerd Service- Registry Registerd Pax-Web WAR Extender WAB-Bundle Servlet 40

50 Registering - WAR Pax-Web WebContainer Registerd Service- Registry Registerd Pax-Web WAR Extender WAB-Bundle Servlet 40

51 Servlet + JPA / Service Blueprint Extender JPA-Bundle JPA - Service Service- Registry Pax-Web WAR Extender WEB-Bundle Servlet 41

52 Servlet + JPA / Service Blueprint Extender Registerd Service- Registry Pax-Web WAR Extender JPA-Bundle WEB-Bundle JPA - Service Servlet 41

53 Servlet + JPA / Service Blueprint Extender Registerd Service- Registry Pax-Web WAR Extender JPA-Bundle WEB-Bundle JPA - Service Servlet Injected 41

54 Servlet + JPA / Service Blueprint Extender Registerd Service- Registry Registerd Pax-Web WAR Extender JPA-Bundle WEB-Bundle JPA - Service Servlet Injected 41

55 Demo

56 View 43

57 View 44

58 Cluster provided by Apache Karaf Cellar

59 Cellar - Cluster Communication 46

60 Cellar - Cluster Communication Hazelcast 47

61 Cellar - Events 48

62 Cellar - Distributing Bundles Node A Maven Repository Node B Hazelcast Node C 49

63 Cellar - Distributing Bundles osgi:install mvn:groupid/artifactid/version Node A Maven Repository Node B Hazelcast Node C 49

64 Cellar - Distributing Bundles Node A Maven Repository Node B Hazelcast Node C 49

65 Cellar - Distributing Bundles Node A Maven Repository Node B Hazelcast Node C 49

66 Cellar - Distributing Bundles Node A Maven Repository Node B Hazelcast Node C 49

67 Cellar - Distributing Bundles Node A Maven Repository Node B Hazelcast Node C 49

68 Cellar - Distributing Bundles Node A Maven Repository Node B Hazelcast Node C 49

69 Cellar - Distributing Bundles Node A Maven Repository Node B Hazelcast Node C 49

70 Cellar - Distributing Bundles Node A Maven Repository DEPRECATED Node B Hazelcast Node C 49

71 Cellar - Distributing Bundles Node A cluster:install mvn:groupid/artifactid/version Maven Repository DEPRECATED Node B Hazelcast Node C 49

72 Cellar - RMI Group 1 Group 2 Node A Consumes OSGi-Service Node A Provides OSGi-Service Node B Consumes OSGi-Service Hazelcast Node B Provides OSGi-Service Node C Consumes OSGi-Service 50

73 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

74 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

75 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

76 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

77 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

78 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

79 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

80 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

81 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

82 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

83 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

84 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

85 Cellar - Web session failover Node A Filter Servlet Client Hazelcast Node B DataBase Filter Servlet 51

86 Cluster - Demo

87 Presentation Layer 53

88 web.xml - Hazelcast Hazelcast for Session Replication <?xml version="1.0" encoding="utf-8"?> <web-app xmlns=" xmlns:xsi=" xsi:schemalocation=" version="3.0"> <filter> <filter-name>hazelcast-filter</filter-name> <filter-class>com.hazelcast.web.webfilter</filter-class> <!-- Name of the distributed map storing your web session objects --> <init-param> <param-name>map-name</param-name> <param-value>my-sessions</param-value> </init-param> <init-param> <param-name>sticky-session</param-name> <param-value>false</param-value> </init-param> </filter> <filter-mapping> <filter-name>hazelcast-filter</filter-name> <url-pattern>/*</url-pattern> <dispatcher>forward</dispatcher> <dispatcher>include</dispatcher> <dispatcher>request</dispatcher> </filter-mapping> <listener> <listener-class>com.hazelcast.web.sessionlistener</listener-class> </listener> </web-app> 54

89 View 55

90 View 56

91 View 57

92 SUMMARY

93 Enterprise - Karaf Servlet 3 JSP JAX-WS JAX-RS EJB 3.1 CDI JAX-RPC JAXB JSF 2 JTA JAXR JMS JPA 2 JNDI SAAJ JAAS RMI 59

94 JEE with Karaf? Adoptions needed? YES Minor on Persistence - JNDI lookup Minor on transaction - Blueprint JTA Wiring of Services: Use Blueprint Use Servlet 3.0 with CDI Session Replication throughout cluster, it s still standard Hazelcast 60

95 notitzblog.nierbeck.de karaf.apache.org #karaf at irc.codehaus.org Pictures, mainly from flickr 61

96

97 THANKS FOR LISTENING

98 Thanks to the Apache Community

99 Questions

100 Thanks