By Michi Henning, Steve Vinoski
This is the CORBA ebook that each C++ software program engineer has been expecting. complicated CORBA(r) Programming with C++ offers designers and builders with the instruments required to appreciate CORBA expertise on the architectural, layout, and resource code degrees. This publication bargains hands-on motives for construction effective functions, in addition to lucid examples that supply functional suggestion on heading off expensive errors. With this booklet as a consultant, programmers will locate the help they should effectively adopt industrial-strength CORBA improvement tasks.
The content material is systematically prepared and offered so the publication can be used as either an educational and a reference. the wealthy instance courses during this definitive textual content exhibit CORBA builders how one can write clearer code that's extra maintainable, transportable, and effective. The authors' specific insurance of the IDL-to-C++ mapping strikes past the mechanics of the APIs to debate subject matters corresponding to strength pitfalls and potency. An in-depth presentation of the hot transportable item Adapter (POA) explains easy methods to reap the benefits of its quite a few gains to create scalable and high-performance servers. additionally, precise dialogue of complex themes, reminiscent of rubbish assortment and multithreading, presents builders with the information they should write advertisement purposes.
In-depth insurance of IDL, together with universal idioms and layout trade-offs whole and precise reasons of the existence Cycle, Naming, buying and selling, and occasion companies dialogue of IIOP and implementation repositories perception into the dynamic elements of CORBA, corresponding to dynamic typing and the hot DynAny interfaces suggestion on deciding on applicable program architectures and designs precise, moveable, and vendor-independent resource code
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Extra info for Advanced CORBA (R) Programming with C++
IDL features that are identical to C++ are mentioned mostly by example. You can find the full IDL specification in . " For example, DCE uses its own version of an interface definition language to describe types and remote procedure calls. In this book, when we use IDL, we are referring to the IDL defined and published by the OMG. 3 Compilation An IDL compiler produces source files that must be combined with application code to produce client and server executables. In this section, we present only a conceptual view of this process because CORBA does not standardize the development environment.
6 Summary This chapter presents a simple, but complete, CORBA application. As you can see, building a complete application involves four basic steps: Step 1. Define the IDL. Step 2. Compile the IDL. Step 3. Write and compile the server. Step 4. Write and compile the client. Of course, you may be writing a client to communicate with an existing server, in which case steps 1 and 3 are unnecessary. Looking back at the source code, you may be intimidated by the number of lines that is required for something as simple as this application.
Independent efforts are under way to provide additional language mappings for Eiffel, Modula 3, Lisp, Perl, Tcl, Python, Dylan, Oberon, Visual Basic, and Objective-C. Some of these mappings may eventually become standards. Because IDL describes interfaces but not implementations, it is a purely declarative language. There is no way to write executable statements in IDL, and there is no way to say anything about object state (execution and state are implementation concerns). IDL definitions focus on object interfaces, the operations supported by those interfaces, and exceptions that may be raised by operations.