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1 J2EE

2 Agenda J2EE EJB J2EE Web Grid J2EE

3 1. J2EE

4 J2EE Mark Hapner

5 J2EE Sun JCP Java Community Process Java Java Java Enterprise JavaBean API

6 J2EE Enterprise Java API Enterprise JavaBeans(EJB) Java J2EE = Java TM 2 SDK, Enterprise Edition

7 J2EE J2EE 1.2 J2EE 1.3 J2EE 1.4

8 J2EE / Web WWW

9 NCSA What s New

10 K 3 800K K 1993/ /06

11 Web Browser Web Server GET/POST Response Web Browser HTTP Web Server

12 J2EE J2EE Web Web Server EJB Web Browser Servlet/JSP DataBase

13 Web Web SOAP Message GET/POST Web Server HTTP Response SOAP Message

14 n-tier

15 IBM 9672 IBM360 ASR-33

16 -Tier

17 Sun3/ IBM PC ' VAX-11/780(1977)

18 2-Tier

19 3-Tier J2EE Web EIS Web Browser applet Application client JSP Servlet EJB DB J2EE

20 n-tier J2EE Web EIS Web Browser applet Application client Web JSP Servlet Entity Bean Session Bean Message Driven Bean DB J2EE

22 -Tier

23 2-Tier

24 3-Tier

25 Enterprise Java Bean Application Server

26 Component Container Component Creation / Component Provider Assembly / Application Assenbler Deployment / Deployer Container

27 public class BankBean implements SessionBean { public void transfertosaving(double amount) { checkingbalance -= amount; savingbalance += amount; try { updatechecking(checkingbalance); if (checkingbalance < 0.00) { context.setrollbackonly(); throw new InsufficientBalanceException(); } updatesaving(savingbalance); } catch (SQLException ex) { throw new EJBException ( ); } }

28 Enterprise Java Bean Stateless Session Bean Statefull Session Bean Entity Bean J2EE1.2 Message Driven Bean Stateless Session Bean with Web Service Endpoint J2EE1.3 J2EE1.4

29 J2EE Design Pattern Front Controller Intercepting Filter Composite View View Helper Dispatcher View Business Delegate Session Façade Data Access Object Service Locator Transfer Object Assembler Value List Handler Composite Entry Transfer Object Service Activator.

38 (1) Enterprise JavaBeans Technology JDBC API Java Servlet Technology JavaServer Pages (JSP) Technology Java Message Service (JMS) Java Transaction API (JTA)

39 (2) JavaMail Technology JavaBeans Activation Framework Java API for XML Processing (JAXP) J2EE Connector Architecture Java Authentication and Authorization Service (JAAS)

40 (3) Web Service Java APIs for XML based RPC(JAX-RPC Java APIs for XML Messaging(JAXM Java APIs for XML Registry (JAXR) Java Server Faces...

41 J2EE Container EJB J2EE Container EJB EJB : Entity Bean J2EE1.3 EJB2.0 J2EE1.3 EJB2.0 CMP J2EE1.3 JMS

42 J2EE Container

43 J2EE Home Remote Home EJB Remote

44 EJB Remote transfertosaving public class BankBean implements SessionBean { public void transfertosaving(double amount) {... Home EJB create

46 Remote Bank.java public interface Bank extends EJBObject { public void transfertosaving(double amount) throws RemoteException, InsufficientBalanceException;... Home BankHome.java EJB BankEJB.java public class BankBean implements SessionBean { public void transfertosaving(double amount) {... public interface BankHome extends EJBHome { public Bank create(string id) throws RemoteException, CreateException; }

47 EJB Remote public interface Hello extends javax.ejb.ejbobject { } public String sayhello() throws java.rmi.remoteexception;

48 EJB Home Remote public interface HelloHome extends javax.ejb.ejbhome { public Hello create() throws java.rmi.remoteexception, javax.ejb.createexception; }

49 EJB EJB public class HelloEJB implements javax.ejb.sessionbean { public String sayhello() { return "Hello World!"; } public void ejbcreate() {} public void setsessioncontext(sessioncontext sc) {} public void ejbremove() {}.. }

50 1. JNDI Home 2. Home create 3. create remote 4. remote invoke

51 EJB Client J2EE EJB lookup create invoke EJB Client JNDI Home Interface Remote interface EJB Class

53 EJB Remote Remote

54 public interface HelloHome extends javax.ejb.ejbhome { } Home public Hello create() throws java.rmi.remoteexception,.; RMI/IIOP public class HelloHomeImpl extends PortableRemoteObject implements HelloHome { public Hello create() throws RemoteException,.. { return (Hello).. ; } }

55 public interface Hello extends javax.ejb.ejbobject { } public String sayhello() throws java.rmi.remoteexception; RMI/IIOP Remote public class HelloEJB_EJBObjectImpl extends PortableRemoteObject implements Hello { public String sayhello() throws RemoteException { return Hello World! ; } EJB? }

56 EJB EJB Remote Remote sayhello EJB Remote EJB

57 EJB public class HelloEJB implements javax.ejb.sessionbean { public String sayhello() { return "Hello World!"; } javax.ejb.sessionbean Remote public interface SessionBean extends EnterpriseBean {... } public interface EnterpriseBean extends Serializable {... }

58 EJB Remote sayhello EJB sayhello sayhello EJB Remote

59 public String sayhello() throws RemoteException { // Remote... // HelloEJB helloejb = (HelloEJB)... ;... // ejbload container.preinvoke(...); // String s = helloejb.sayhello(); // ejbstore container.postinvoke(...);... EJB return s;

60 J2EE CORBA : IDL J2EE : Java Interface JAX-RPC : WSDL / Java Interface GT3 OGSI : GWSDL Transaction Database Life Cycle

61 CORBA Container

62 EJB : Entity Bean

63 Entity Bean Entity Bean

64 pk1 a1 b1 c1 pk1 a1 b1 c1

65 Entity Bean

66 EJB: create SQL INSERT

67 create ejbcreate Entity Bean pk1 a1 b1 c1 pk1 a1 b1 c1

68 ejbload ejbstore ejbload ejbstore SQL: SELECT SQL: UPDATE

69 Entity Bean ejbload pk1 a1 b1 c1 pk1 pk2 a1 a2 b1 b2 c1 c2 primarykey= pk1 pk3 a3 b3 c3

70 Entity Bean ejbstore pk1 x1 y1 z1 pk1 pk2 x1 a2 y1 b2 z1 c2 primarykey= pk1 pk3 a3 b3 c3

71 ejbcreate ejbremove ejbload ejbstore ejbfindbyprimarykey insert delete select update select

72 ejbcreate insert ejbremove delete ejbload select ejbstore update ejbfindbyprimarykey select BMP

73 J2EE1.3

74 J2EE1.3 EJB2.0 CMP (Container Managed Persistency)

75 J2EE1.3 Abstract Class Abstrct Accessor Persistent cmp abstract setter/getter Relation cmr abstract setter/getter

76 J2EE1.3 Finder Local)Home "find" Select EntityBean "ejbselect" abstract EJB-QL Deploy Deployment Descriptor Home Bean static method

77 J2EE1.2 J2EE1.3 EntityBean abstract Class Local cmp setter/getter abstract SQL cmr abstract setter/getter Finder Select EJB-QL Deploy

79 (LeagueBeanTable) leagueid name sport (TeamBeanTable) teamid name city (PlayerBeanTable) playerid name position salary

80 (LeagueBeanTable) 1 : m (TeamBeanTable) m : n (PlayerBeanTable)

81 CMP Field public abstract class PlayerBean implements EntityBean { // cmp Setter/Getter // ID (playerid) public abstract String getplayerid(); public abstract void setplayerid(string id); // (name) CMP Field public abstract String getname(); public abstract void setname(string name); // (position) public abstract String getposition(); public abstract void setposition(string position); // (salary) public abstract double getsalary(); public abstract void setsalary(double salary); playerid name position salary

82 CMR Field } // cmr teams // Setter/Getter // // cmr teams EJB-QL IN operator IN(p.teams) // CMR Field public abstract Collection getteams(); public abstract void setteams(collection teams); // public abstract Collection ejbselectleagues(localplayer player) throws FinderException; public abstract Collection ejbselectsports(localplayer player) throws FinderException;... teamid name city

83 JMS J2EE1.3

85 3. J2EE Web Grid J2EE1.4 Web SOAP-RPC JAX-RPC Endpoint Session Beans J2EE1.4 Web J2EE1.4 EoD: Java Server Faces J2EE1.4 JAIN SLEE Grid Web Grid Web -- OGSI WS-RF --

86 J2EE Web J2EE1.4

87 Web J2EE Web EJB

88 JAX-RPC = RMI / SOAP Rahul Sharma

89 JAX-RPC Java WSDL Java XML Java Web Java Remote Interface WSDL WSDL Java

90 JAX-RPC Java Remote Interface WSDL WSDL Java Java Interface porttype binding service

91 porttype binding service porttype name + ".java" binding name + Stub.java binding name + "Impl.java" service name + ".java" service name + "Locator.java" Hello.java HelloBindingStub.java HelloBindingImpl.java HelloWorld.java HelloWorldLocator.java porttype porttype operation name sayhello binding binding operation name service "get" + service port name "get" + service port name gethello

92 Hello.java public interface Hello extends java.rmi.remote { public String sayhello(string name) throws java.rmi.remoteexception; } HelloImpl.java public class HelloImpl implements Hello{ public String sayhello(string name) throws java.rmi.remoteexception { return "ServiceImpl was re-defined by " + name + "!" ; } }

93 HelloService.java public interface HelloService extends javax.xml.rpc.service { public String gethelloaddress(); public Hello gethello() throws javax.xml.rpc.serviceexception; public Hello gethello(java.net.url portaddress) throws javax.xml.rpc.serviceexception; } WSDL service Element <service name="helloservice"> <port name="hello" binding="tns:hellobinding"> <soap:address location=" /> </port> </service>

94 HelloServiceLocator.java public class HelloServiceLocator extends org.apache.axis.client.service } implements HelloService {... public Hello gethello() throws javax.xml.rpc.serviceexception {... }... public Hello gethello(java.net.url portaddress) throws javax.xml.rpc.serviceexception {... }...

95 Main.java public class Main { public static void main (String[] args) throws Exception { Hello port = new HelloServiceLocator().getHello(); try { String str = ((HelloStub) port).sayhello("fujio"); System.out.println( str ); } catch (java.rmi.remoteexception re) { System.err.println("Remote Exception caught: " + re ); } } }

96 getport invoke WS Client Stub Service Interface Service Locator Service Endpoint Interface Service Impl. Class Web

97 Endpoint Session Beans (EJB2.1) (Local)Home EJB(Local)Object Local/Remote Service Service Remote Endpoint Endpoint

98 Endpoint Session Beans (EJB2.1) public Interface BookPriceService extends javax.xml.rpc.service{ public BookPrice getbookprice( ) throws RemoteException; } public interface BookPrice extends javax.rmi.remote { public String getbookprice(string isbn) throws javax.rmi.remoteexception; } public class BookPriceWS implements BookPrice, javax.ejb.sessionbean { public float getbookprice(string isbn){.}. }

99 Session Beans public Interface HelloHome extends javax.ejb.ejbhome { public Hello create( ) throws RemoteException, CreateException; } public interface Hello extends javax.ejb.ejbobject{ public String sayhello(stringname) throws javax.rmi.remoteexception; } public class HelloBean implements javax.ejb.sessionbean { public String sayhello(string name) {.}. }

100 EJB Client J2EE EJB lookup create invoke EJB Client JNDI Home Interface Remote interface EJB Class

101 J2EE1.4 Web lookup getport invoke WS/EJB Client Stub Service Interface Service Locator Service Endpoint Interface Service Impl. Class JNDI J2EE

102 Web

103 Microsoft.NET C#,VB,C++, Sun JAX-RPC SOAP SOAP EJB2.1 Container Stateless Session Bean IBM WSTK SOAP Endpoint Interface

104 Web Service Endpoint EJB2.1 Container Enterprise Bean JAX-RPC Stub SOAP SOAP SOAP Microsoft Sun IBM

105 Enterprise Grid J2EE+WS FireWall J2EE FireWall FireWall J2EE J2EE+WS Web Browser FireWall

106 Craig R.McClanahan J2EE1.4 Ease of Development : Java Server Faces

107

108 J2EE1.4 JAIN SLEE Service Logic Execution Environment

109

110 Grid Web GGF / Globus

111 Ian Foster 1998 The Grid: Blueprint for a New Computing Infrastructure

112 The Physiology of the Grid /06/22

113 The Physiology of the Grid /06/22 OGSA Grid Web Open Grid Services Architecture (OGSA)

114 I.Foster Grid

115 Globus Toolkit 3.0 GT2 GT3

116 Globus / GT3 Grid Platform OS Web Grid Grid

117 GGF OGSA/OGSI Open Grid Service Architecture / Open Grid Service Infrastructure

118 GGF / OGSA

119

120 Grid Client getfactoryport createservice invoke Saved State Factory Grid Service Execution Environment Active State Instance Registry Handle Resolver Grid

121 J2EE,Web Service, Grid OGSI / Container J2EE JNDI Web Service UDDI / WSIL Container Home Intf. Service Intf. Component create get<port> Component Remote Remote Intf. Endpoint Grid Service OGSI Registry Factory createservice Handle / Reference

122 Grid Web OGSI WS-RF

123 Grid Web Services Grid GT1 GT2 Web HTTP WSDL, WS-* OGSI? WSDL 2, WSDM

124 OGSA / OGSI Domain-Specific Services OGSA Program Execution Core Services Data Services OGSI Open Grid Services Infrastructure Web Services Messaging, Security, Etc.

125 OGSA / WSRF Domain-Specific Services OGSA Program Execution Core Services Data Services WSRF Open WS-Resource Grid Services Framework Infrastructure Web Services Messaging, Security, Etc.

126 Grid Web Services WSRF Grid GT1 GT2 Web HTTP WSDL, WS-* OGSI WSDL 2, WSDM WSRF

127 WS-Resourse WS-Resourse

128

129

130 WS-Resourse WS-Resource Properties Document WS-Resourse WSDL porttype Resource Properties Documento  <wsdl:porttype name="genericdiskdrive" wsrp:resourceproperties="tns:genericdiskdriveproperties" >

131 Statefull-Resourse Projection WS-Resource Properties Document wsrp:resourceproperties=..

132 EndPoint WS-RF

133

134 J2EE Web Server EJB Web Browser Servlet/JSP DataBase

135 Factory WS-Resource EndpointReference WS-Resource WS-Resource Factory Service Requestor Web C A B createservice

136 WS-Resource Web Service Requestor A B C A B <wsa:endpointreference> <wsa:address> </wsa:address> <wsa:referenceproperties> <tns:resourceid> C </tns:resourceid> </wsa:referenceproperties> </wsa:endpointreference> Address ReferenceProperties EndpointReference

137 WS-Resource-qualified EndpointReference WS-Resource Context <wsa:endpointreference> <wsa:address> </wsa:address> <wsa:referenceproperties> <tns:resourceid> C </tns:resourceid> </wsa:referenceproperties> </wsa:endpointreference> A Address Component B Reference Property Component WS-Resource context

138 4. J2EE J2EE / Web Grid Web Business Process BPEL4WS J2EE -- Java Business Integration JSR208

139 Web

140 Web Web Web Document centric

141

142 RPC Java<->XML Serialization XML POST H T T P DeSerialization XML XML DeSerialization Serialization XML

143 X M L Document Centric XML In XML Out XML Inside X M L X M L RPC

144 Business Process Orchestration Choreography

145 Web Services Orchestration Web Web Services Choreography

146 Orchestration BPEL4WS Business Process Execution Language for Web Services IBM, Microsoft, BEA Choreography : WSCI Web Services Choreography Interface Sun, SAP, Intalio, BEA OASIS Web BPEL TC IBM, Microsoft, BEA, Oracle, Sun, SAP

147 BPEL4WS Business Process Execution Language for Web Services

148 BPEL4WS

149

150 BPEL4WS

151 BPEL Activity Primitive Activities <receive> <invoke> <reply> Structured Activities <sequence> <flow> <pick>..

152 Web Service <Receive> <Reply> Step 1 <invoke> Web Service <Sequence> Step 2 Step 3A <Flow> Step 3B

153 <process> <! Definition and roles of process participants --> <partnerlinks>... </partnerlinks> <!- Data/state used within the process --> <variables>... </variables> <!- Properties that enable conversations --> <correlationsets>... </correlationsets> <!- Exception handling --> <faulthandlers>... </faulthandlers> <!- Error recovery undoing actions --> <compensationhandlers>... </compensationhandlers> <!- Concurrent events with process itself --> <eventhandlers>... </eventhandlers> <!- Business process flow --> (activities)* BPEL Structure

154 J2EE Java Business Integration JSR208 N.Kassem TS3740.pdf M.Hapner JA-SIG Keynote.pdf WhitePaper JBIwp70903.fm.pdf

155 Java Business Integration

156 Java Business Integration

157 J2EE with JBI

158 Request-Response MEP One-Way MEP Callback MEP WSDL Message Exchange Patterns

159 Business System A JBI, System View Business System C SOAP EDI MoM Business System B

160 JBI, Process View Normalized Message Bus Binding Framework

161 Business Process Machines BPM) BPM BPM JBI BPM

162 SOAP MQ EIS resource AS1/AS2 JBI and J2EE 208 Machine SPI Normalized Message Bus 208 Binding SPI

163 JBI Container Model

164

165 Web Web J2EE Web Service J2EE Business Process Integration J2EE 1.4 J2EE JBI

166 Web Service Grid Business Process Integration Grid OGSA/OGSI Grid OGSA/WSRF Web Grid

167 Grid,Web J2EE Web Service J2EE JBI Business Process Integration Grid OGSA/WSRF

JavaFest04.PDF

JavaFest04.PDF J2EE EJB3.0 EoD EoD J2EE Container Component Container Component DI Annotation Container Create Passivate Component Remove Activate Remote Bank.java public interface Bank extends EJBObject { public void