By Michi Henning, Steve Vinoski
Here's the CORBA ebook that each C++ software program engineer has been awaiting. complicated CORBA(r) Programming with C++ presents designers and builders with the instruments required to appreciate CORBA know-how on the architectural, layout, and resource code degrees. This ebook bargains hands-on reasons for development effective purposes, in addition to lucid examples that supply functional recommendation on averting high priced error. With this ebook as a advisor, programmers will locate the help they should effectively adopt industrial-strength CORBA improvement tasks.
The content material is systematically prepared and provided so the ebook can be utilized as either an instructional and a reference. the wealthy instance courses during this definitive textual content exhibit CORBA builders easy methods to write clearer code that's extra maintainable, transportable, and effective. The authors' targeted insurance of the IDL-to-C++ mapping strikes past the mechanics of the APIs to debate issues equivalent to strength pitfalls and potency. An in-depth presentation of the recent moveable item Adapter (POA) explains how one can reap the benefits of its various good points to create scalable and high-performance servers. furthermore, special dialogue of complicated issues, resembling rubbish assortment and multithreading, presents builders with the data they should write advertisement functions.
In-depth insurance of IDL, together with universal idioms and layout trade-offs whole and particular motives of the existence Cycle, Naming, buying and selling, and occasion companies dialogue of IIOP and implementation repositories perception into the dynamic features of CORBA, corresponding to dynamic typing and the recent DynAny interfaces suggestion on deciding upon acceptable software architectures and designs specified, transportable, and vendor-independent resource code
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Additional info for Advanced CORBA (R) Programming with C++
However, proprietary references cannot be exchanged with ORBs from a different vendor. 2 Reference Acquisition Object references are the only way for a client to reach target objects. A client cannot communicate unless it holds an object reference. How, then, does a client obtain references (the client must have at least one reference to start with)? We address this bootstrapping issue in Chapter 18. For now, it is sufficient to say that references are published by servers in some way. For example, a server can Return a reference as the result of an operation (as the return value or as an inout or out parameter) Advertise a reference in some well-known service, such as the Naming Service or Trading Service Publish an object reference by converting it to a string and writing it into a file Transmit an object reference by some other out-of-band mechanism, such as sending it in e-mail or publishing it on a Web page By far the most common way for a client to acquire object references is to receive them in response to an operation invocation.
1, CORBA contained specifications only for the Basic Object Adapter (BOA). The BOA was the original CORBA object adapter, and its designers felt that it would suffice for the majority of applications, with other object adapters filling only niche roles. However, CORBA did not evolve as expected because of the following problems with the BOA specification. The BOA specification did not account for the fact that, because of their need to support servants, object adapters tend to be language-specific.
For example, sometimes the server already exists, and you need only write a client. In that case, you would perform only those steps related to developing clients. If this CORBA application development process is not clear to you, do not worry. We have kept our explanation of these steps at a high level; we want only to give you an overview of what you must do to create C++ CORBA applications. Subsequent chapters cover many more details related to the development of real-world applications, so do not be disheartened by the lack of depth in the coverage provided here.
Advanced CORBA (R) Programming with C++ by Michi Henning, Steve Vinoski