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Yayın A framework implementing a suit of design patterns for web applications(Işık Üniversitesi, 2002-09) Kılavuz, Alper; Kuru, Selahattin; Işık Üniversitesi, Fen Bilimleri Enstitüsü, Bilgisayar Mühendisliği Yüksek Lisans ProgramıWith the rapid improvement, Internet applications became the main field in software development and hundreds of developers are working on web projects all over the world for meeting customer needs.The rapid increase in the web projects and the number of web developers has created a chaotic situation. Many of developers are deprived of a guide for developing a perfect Object Oriented code in these projects. We can overcome these problems by using a framework. The Framework relates many design patterns for solving Internet application development. Compared with a loose collection of patterns, the framework provides rules for design patterns to work together to solve a set of related problems.Relating many design patterns for solving Internet application development, the framework provides rules for design patterns to work together to solve a set of related problems,initials a collection of co-related design patterns.Yayın Comparison of choreography vs orchestration based Saga patterns in microservices(Institute of Electrical and Electronics Engineers Inc., 2022) Aydın, Şahin; Çebi, Cem BerkeMicroservice Architecture (MSA) is a design and architecture pattern created to deal with the challenges of conventional software programs in terms of stream processing, highly available flexibility, and infrastructural agility. Despite the many advantages of MSA, designing isolated services using the autonomous Databases per Services paradigm is difficult. We realized that because each microservice will have its repository, ensuring data coherence between databases becomes difficult, especially in reversals, where operations transcend different sites. Distributed networked transactions and rollbacks can be efficiently handled using two-phase commitment methods in hardware virtualization using RDBMS databases. However, these approaches can't be used in micro-services with segregated NoSQL servers. Three issues have been addressed in this study: (i) investigate the implementation of event choreography and orchestration methods for the Saga pattern execution in MSA, (ii) existing reality suggestions on the saga pattern adoption and implementation besides the use cases, and (iii) introduce the disbursed transaction records and rollbacks challenges in isolated No-SQL databases with reliant collections in MSA.
