Advanced CORBA Programming with C++ by Steve Vinoski, Michael Henning

By Steve Vinoski, Michael Henning

This is the CORBA booklet that each C++ software program engineer has been anticipating. complex CORBA® Programming with C++ offers designers and builders with the instruments required to appreciate CORBA expertise on the architectural, layout, and resource code degrees. This booklet deals hands-on motives for development effective functions, in addition to lucid examples that supply functional suggestion on fending off high priced blunders. With this booklet as a advisor, programmers will locate the help they should effectively adopt industrial-strength CORBA improvement projects.

The content material is systematically prepared and awarded so the e-book can be used as either an academic and a reference. the wealthy instance courses during this definitive textual content convey CORBA builders tips on how to write clearer code that's extra maintainable, transportable, and effective. The authors' particular insurance of the IDL-to-C++ mapping strikes past the mechanics of the APIs to debate subject matters corresponding to capability pitfalls and potency. An in-depth presentation of the hot moveable item Adapter (POA) explains the best way to make the most of its quite a few beneficial properties to create scalable and high-performance servers. additionally, precise dialogue of complicated issues, resembling rubbish assortment and multithreading, offers builders with the data they should write advertisement applications.

Other highlights

* In-depth assurance of IDL, together with universal idioms and layout trade-offs
* entire and precise reasons of the existence Cycle, Naming, buying and selling, and occasion Services
* dialogue of IIOP and implementation repositories
* perception into the dynamic points of CORBA, comparable to dynamic typing and the hot DynAny interfaces
* recommendation on identifying applicable software architectures and designs
* precise, transportable, and vendor-independent resource code

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Additional info for Advanced CORBA Programming with C++

Example text

As of this writing, the OMG has standardized language mappings for C, C++, Smalltalk, COBOL, Ada, and Java. Other language mappings exist as well—for example, mappings have also been independently defined for languages such as Eiffel, Modula 3, Perl, Tcl, Objective—C, and Python--but at this time they have not been standardized by the OMG. IDL language mappings are critical for application development. They provide concrete realizations of the abstract concepts and models supplied by CORBA. A complete and intuitive language mapping makes it straightforward to develop CORBA applications in that language; conversely, a poor, incomplete, or ineffective language mapping seriously hampers CORBA application development.

The number operation takes no arguments and returns a long. A CORBA object supporting the Employee interface is expected to implement the number operation to return the number of the employee represented by that object. Object references are denoted in IDL by using the name of an interface as a type. For example: interface EmployeeRegistry { Employee lookup(in long emp_number); }; The lookup operation of the EmployeeRegistry interface takes an employee number as an input argument and returns an object reference of type Employee that refers to the employee object identified by the emp_number argument.

5 illustrates how to run the complete application. 2 Writing and Compiling an IDL Definition The first step for every CORBA application is to define its interfaces in IDL. For our minimal application, the IDL contains a structure definition and a single interface: struct TimeOfDay { short hour; short minute; short second; }; // 0 - 23 // 0 - 59 // 0 - 59 interface Time { TimeOfDay get_gmt(); }; The Time interface defines an object that delivers the current time. A Time object has only a single operation, get_gmt.

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