Oracle9i CORBA Developer's Guide and Reference

Anyone developing server-side CORBA applications lor Oracle9i will benefit from reading this guide. Written especially for programmers, it will also be of value to architects, systems analysts, project managers, and others interested in network-centric database applications. To use this guide effectively, you must have a working knowledge of Java and Oracle9i. This guide assiunes that you have some familiarity with CORBA See "Suggested Reading" on page xv for more information on CORBA concepts. Oracle9i......Page 1 Send Us Your Comments......Page 11 Preface......Page 13 1 Overview......Page 17 object adapter......Page 18 About CORBA......Page 19 CORBA Features......Page 21 Using JNDI and IIOP......Page 22 IIOP......Page 23 URLs......Page 24 2 Getting Started......Page 25 A First CORBA Application......Page 26 Writing Interfaces in IDL......Page 27 Generating Stubs and Skeletons......Page 28 Writing the Server Object Implementation......Page 30 Writing the Client Code......Page 32 Client Authentication Information......Page 33 Client Example......Page 34 Compiling the Java Source......Page 35 Loading the Classes into the Database......Page 36 Running the Example......Page 37 Using IDL......Page 39 Running the IDL Compiler......Page 40 Basic Types......Page 43 Constructed Types......Page 44 Collections......Page 45 CORBA System Exceptions......Page 47 Client Side......Page 48 About Object Activation......Page 49 Debugging Techniques......Page 50 Using a Debug Agent for Debugging Server Applications......Page 51 3 Configuring IIOP Applications......Page 53 Oracle9i Database Templates For Default Configuration......Page 54 Overview of Listeners and Dispatchers......Page 56 Redirect to GIOP Dispatcher......Page 58 Hand Off to Generic Dispatcher......Page 59 Configuring The Dispatcher Through Editing Initialization Files......Page 60 Direct Dispatcher Connection......Page 61 Dynamic Listener Endpoint Registration......Page 62 Static Configuration of the Oracle Net Services Listener......Page 63 SSL Configuration for EJB and CORBA......Page 64 Configure the Wallet Location through Oracle Net Manager......Page 65 4 JNDI Connections and Session IIOP Service......Page 69 JNDI Connection Basics......Page 70 The Name Space......Page 71 Execution Rights to Database Objects......Page 72 URL Syntax......Page 73 URL Components and Classes......Page 74 Using JNDI to Access Bound Objects......Page 75 URL_PKG_PREFIXES......Page 77 SECURITY_AUTHENTICATION......Page 78 The JNDI InitialContext Methods......Page 79 lookup......Page 80 Session IIOP Service Overview......Page 81 Oracle9i JVM Tools......Page 82 Session Management......Page 83 Methods......Page 84 Session Context Class......Page 85 Session Management Scenarios......Page 86 Setting Session Timeout......Page 94 Set the Session Timeout from a Server Object......Page 95 Activating In-Session CORBA Objects From Non-IIOP Presentations......Page 96 Retrieving the NameService Initial Reference......Page 97 Retrieving Initial References from ORBDefaultInitRef......Page 101 5 Advanced CORBA Programming......Page 103 Running the SQLJ Translator......Page 104 Implementing CORBA Callbacks......Page 105 Client Code......Page 106 Callback Client-Server Implementation......Page 107 Retrieving Interfaces With The IFR......Page 108 Circular References Between Interfaces......Page 109 Retrieving Interfaces Explicitly......Page 110 Using the CORBA Tie Mechanism......Page 113 JNDI Lookup......Page 114 Providing ORB Properties......Page 115 Providing ORB Properties with Username, Password, and Role......Page 116 CORBA ORB Interface......Page 117 Invoking CORBA Objects From Applets......Page 118 Performing Object Lookup in Applets......Page 119 Modifying HTML for Applets that Access CORBA Objects......Page 120 Interoperability with Non-Oracle ORBs......Page 123 Java Client Using Oracle ORB......Page 124 C++ Client Interoperability......Page 125 IIOP Transport Protocol......Page 127 6 IIOP Security......Page 129 Overview......Page 130 Using the Secure Socket Layer......Page 131 SSL Version Negotiation......Page 132 Authentication......Page 133 Client-Side Authentication......Page 134 Using JNDI for Authentication......Page 136 Providing Username and Password for Client-Side Authentication......Page 137 Username Sent by Setting JNDI Properties for the Login Protocol......Page 138 Username Sent by Explicitly Activating a Login Object......Page 139 Specifying Certificates in a File......Page 141 Specifying Certificates in Individual JNDI Properties......Page 142 AuroraCertificateManager Class......Page 144 requestClientCertificate......Page 145 setProtocolVersion......Page 146 Typical Client/Server......Page 148 Callbacks using Security......Page 149 Authorization......Page 154 Parsing Through the Server’s Certificate Chain......Page 155 getNegotiatedCipherSuite......Page 156 getPeerDERCertificateChain......Page 157 getNegotiatedProtocolVersion......Page 158 7 Transaction Handling......Page 161 Transaction Overview......Page 162 Demarcating Transactions......Page 163 UserTransaction Interface......Page 164 Transaction Context Propagation......Page 165 Enlisting Resources......Page 166 Two-Phase Commit......Page 167 JTA Summary......Page 168 Environment Initialization......Page 169 Summary of Single-Phase and Two-Phase Commit......Page 170 JTA Server-Side Demarcation......Page 173 JTA Client-Side Demarcation......Page 174 Developing the Client Application......Page 175 JTA Client-Side Demarcation Including Databases......Page 176 Developing the Client Application......Page 178 Enlisting Resources on the Server-side......Page 179 Binding Transactional Objects in the Namespace......Page 181 Bind UserTransaction Object in the Namespace......Page 182 Bind DataSource Object in the Namespace......Page 184 Configuring Two-Phase Commit Engine......Page 185 Creating DataSource Objects Dynamically......Page 189 Setting the Transaction Timeout......Page 190 Java Transaction Service......Page 191 JTS Client-Side Demarcation......Page 192 JTS Server-Side Demarcation......Page 194 Interoperability......Page 196 TransactionService......Page 197 Java Transaction Service Methods......Page 198 Current Transaction Methods......Page 199 For More Information on JTS......Page 201 JDBC Restrictions......Page 202 A Example Code: CORBA......Page 203 Server......Page 204 AccountManagerImpl.java......Page 205 AccountManagerImplTie.java......Page 206 Client.java......Page 207 StoredClient.java......Page 208 Bank.IDL......Page 209 AccountManagerImpl.java......Page 210 AccountManagerImplTie.java......Page 211 Client.java......Page 213 PrintIDL.java......Page 214 Server.IDL......Page 220 Client.java......Page 221 ClientImpl.java......Page 222 Client.java......Page 223 Bank.IDL......Page 224 AccountManagerImpl.java......Page 225 Client.java......Page 226 Client.java......Page 229 EmployeeServer.sqlj......Page 233 Employee.IDL......Page 234 Client.java......Page 235 Server......Page 237 Client.java......Page 242 Server......Page 244 Hello.IDL......Page 245 Client.java......Page 246 Client.java......Page 247 Hello.IDL......Page 250 Client.java......Page 251 Server......Page 252 HTML for JDK 1.2......Page 253 HTML for Oracle JInitiator......Page 254 Applet Client......Page 255 HTML for Visigenic Client Applet......Page 256 Visigenic Client Applet......Page 257 B Comparing the Oracle9i and VisiBroker VBJ ORBs......Page 259 Object References Have Session Lifetimes......Page 260 Implementation by Delegation Is Different......Page 261 Clients Look Up Object Names with JNDI......Page 262 Oracle9i Client......Page 263 VBJ Client......Page 264 VBJ Account Implementation......Page 265 Oracle9i Account Manager Implementation......Page 266 VBJ Account Manager Implementation......Page 267 VBJ Server Mainline......Page 268 C Abbreviations and Acronyms......Page 269 Index......Page 277