90 likes | 303 Views
Application Architectures. Application architectures. Starting point for the arch.design process Design checklist Way of organizing the work of the development team Means of assessing components for reuse Vocabulary for talking about types of applications. Application architectures.
E N D
Application architectures • Starting point for the arch.design process • Design checklist • Way of organizing the work of the development team • Means of assessing components for reuse • Vocabulary for talking about types of applications
Application architectures • Data-processing applications • Transaction-processing applications • Event-processing systems • Language-processing systems
Data-processing applications • Data driven applications • Data is processed in batches • Mostly used in business applications that handle similar operations with large amount of data • Ex: accounting, billing, payroll
Data-processing applications System Prn Input Process Output Database
Transaction-processing applications • Database-centered applications that process user requests/updates of information • Most common types of interactive business systems • Ex: banking systems, e-commerce
Transaction-processing applications I/O Processing Application Logic Transaction Manager Database
Event-processing systems • Actions of the system depend on events in the system’s environment • Events can be the input of a command, change of values in variables • Ex: games, word processors, spreadsheets (see ex. of editing system pg 306)
Language-processing systems • User intentions are expressed in a formal language • The language-processing system transforms this language into some internal form and then interprets this form • Ex: compilers, XML (see ex. of abstract architecture pg. 308)