Preface	6
	Contents	7
	1 Preliminaries	14
	1.1 Organization of the Book	14
	1.2 Additional Material	15
	1.3 Conventions Used in This Book	16
	1.4 How to Read This Book	16
	2 Introduction	17
	2.1 Object-Oriented Paradigm	18
	2.2 Distributed Systems	20
	3 Concepts of the CORBA Standard	24
	3.1 Object Management Group	24
	3.2 Object Management Architecture	24
	3.5 Procedural Steps in Developing a CORBA-Based Application	31
	3.6 Remote Invocations	32
	3.7 Interoperability in the CORBA Standard	33
	4 Introduction to the Interface Definition Language	37
	4.1 Lexical Elements of IDL	37
	4.2 IDL Types	42
	4.4 Exceptions	57
	4.5 Interface Declarations	58
	4.6 Value Types	63
	4.7 Module Declarations	66
	4.8 Scoping	67
	4.9 Concluding Remarks	70
	4.10 Exercises	71
	5 IDL to Java Mapping	74
	5.1 Introductory Remarks	74
	5.2 Names	74
	5.3 Mapping for Basic Data Types	75
	5.4 Holder Classes	76
	5.5 Helper Classes	78
	5.6 Mapping for Modules	79
	5.7 Mapping for Constants	80
	5.8 Mapping for typedefs	81
	5.9 Mapping for structs	81
	5.10 Mapping for enums	83
	5.11 Mapping for Sequences	84
	5.12 Mapping for Arrays	84
	5.13 Mapping for Exceptions	84
	5.15 Mapping for Value Types	89
	5.16 Mapping for anys	93
	5.17 Mapping for in, inout, and out Parameters	95
	5.18 Mapping for Attributes	95
	5.19 Mapping for Operations	96
	5.20 Exercises	96
	6 Important Elements of the ORB Runtime	98
	6.1 Initializing a CORBA Application	98
	6.2 Pseudo Interface	99
	6.3 Portable Object Adapter	106
	6.4 Pseudo Interface	119
	6.6 Dynamic Invocation Interface	123
	6.7 Dynamic Skeleton Interface	133
	6.9 Exercises	137
	7 A First Example	139
	7.1 JDK’s IDL Compiler	140
	7.2 JacORB’s IDL Compiler	141
	7.3 OpenORB’s IDL Compiler	142
	7.4 Recommended File Organization	143
	7.6 Implementing the Server Application for the Inheritance Approach	146
	7.7 Compiling the Server Application	148
	7.8 Implementing the Client Application	149
	7.9 Compiling the Client Application	151
	7.10 Running the Application	151
	7.11 Implementing Counter Using the Delegation Approach	152
	7.12 Implementing the Server Application for the Delegation Approach	153
	7.13 A GUI for the Client Application	155
	7.14 Using Different ORBs	157
	7.15 Modules	157
	7.16 Exercises	159
	8 Generating Remote Objects	161
	8.1 Implementing the CounterFactory Servant	162
	8.2 Implementing the CounterFactory Server	164
	8.3 Implementing the CounterFactory Client	165
	8.4 Running the Application	167
	8.5 Exercises	167
	9 Alternatives for Designing IDL Interfaces	169
	9.1 Attributes vs. Operations	169
	9.2 Returning Results From an Operation	172
	9.3 Exercises	176
	10 Inheritance and Polymorphism	178
	10.1 IDL Definition of DateTimeServer	179
	10.2 Implementing the Inheritance Approach	180
	10.3 Implementing the Example with the Delegation Approach	184
	10.4 An Example for Polymorphism	187
	10.5 Exercises	191
	11 Implementing Distributed Callbacks	193
	11.1 Defining IDL Interfaces	194
	11.2 Implementing the Counter Servant	194
	11.3 Implementing the CBCount Server	196
	11.4 Implementing the CounterClient Servant	197
	11.5 Implementing the Client Application	197
	11.6 Further Usages of the Callback Technique	200
	11.7 Exercise	200
	12 Utilizing Value Types	202
	12.1 Defining IDL Module PublishSubscribe	203
	12.2 Implementing Value Type Filter	204
	12.3 Implementing Class PublisherImpl	209
	12.4 Implementing the Server Application	210
	12.5 Implementing Class SubscriberImpl	212
	12.6 Implementing the Client Application	212
	13 Utilizing Interfaces of the DynamicAny Module	216
	13.1 Usage of Anys and TypeCodes	216
	13.2 DynamicAny API	219
	13.3 Usage of the DynamicAny API in Java	231
	13.4 Exercises	238
	14 Dynamic Invocation Interface	239
	14.1 Dynamic Counter Client	240
	14.2 Dynamic TimeServer Clients	243
	14.3 Deferred Synchronous Invocations	251
	14.4 Exercises	255
	15 Dynamic Skeleton Interface	258
	15.1 Defining IDL Module Bank	258
	15.2 Implementing the Servant	259
	15.3 Implementing the Server Application	262
	15.4 Implementing the Client Application	263
	15.5 Exercises	264
	16 Implementing Different POAs	265
	16.1 Counter Example	266
	16.2 Implementing ServantLocator	267
	16.3 Implementing the Server Application	268
	16.4 Exercise	270
	17 CORBA’s Naming Service	271
	17.1 Basics	272
	17.2 IDL Definition of the Naming Service	274
	17.3 Bootstrapping Problem	276
	17.4 Binding and Resolving a Name with the Naming Service	278
	17.5 Utilizing Naming Contexts	284
	17.6 BindingIterators	289
	17.7 NamingContextExt Interface	291
	17.8 Concluding Remarks	296
	17.9 Exercises	296
	18 CORBA’s Event Service	298
	18.1 Event Service Basics	299
	18.2 IDL Specification of the Event Service	301
	18.3 Using OpenORB’s Event Service	305
	18.4 Push-Style Publish-Subscribe Example	308
	Appendix A – IDL Grammar	319
	Appendix B – IDL to Java: Mapping of IDL Standard Exceptions	325
	Appendix C – Naming Service IDL	326
	Appendix D – Event Service IDL	328
	Appendix E – ORB Product Installation	330
	Acronyms	334
	References	335
	Index	337
	More eBooks at www.ciando.com	0