ORM in Dynamic Languages

Richardson, Chris

doi:10.1145/1394127.1394140

Cited by 4 publications

(5 citation statements)

References 3 publications

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“…Em uma linguagem estática como java, o acesso a uma propriedade ou invocação de um métodoé resolvido em tempo de compilação. Em comparação, Groovy não resolve o acessosà propriedades ou invocação de métodos até que a aplicação seja executada [8]. Uma aplicacão que utiliza essa linguagem pode dinamicamente definir métodos ou propriedades em tempo de execução, isso vai de encontroà necessidade de customização das aplicações, dado que com a utilização desse recurso pode-se adicionar atributos e customizar comportamentos de um tenant específico futuramente.…”

Section: Tecnologiasunclassified

An approach to developing multi-tenancy SaaS using metaprogramming

Rodrigues

Alencar

Damasceno

et al. 2012

Proceedings of the 18th Brazilian Symposium on Multimedia and the Web

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In last years have seen an increase in SaaS (Software as a Service) use. The development of multi-tenancy web application (one of the main ways to provide SaaS) increased considerably after the start of call "Web 2.0 Age". This work presents an approach for implementation of a multitenancy SaaS application, and an architecture based on plugins and metaprogramming to achieve a high level software reuse. This approach is presented through an experience report described throughout the paper.

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Section: Tecnologiasunclassified

An approach to developing multi-tenancy SaaS using metaprogramming

Rodrigues

Alencar

Damasceno

et al. 2012

Proceedings of the 18th Brazilian Symposium on Multimedia and the Web

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“…Actualmente, existen frameworks para la mayoría de los lenguajes de programación, su definición varía, pero la mayoría apunta a exponer que es una estructura de soporte con características genéricas, el cual puede ser utilizado en un proyecto de software de iguales características técnicas; los que mayor auge han tenido en los últimos años son los destinados al manejo de persistencia basados en ORM (Object Relational Mapping) (O'Neil, 2008), convirtiéndose en una práctica necesaria en la manipulación de objetos entre la memoria y su ubicación real en la base de datos (Wei et al, 2009), (Zyl et al, 2009), permitiendo al desarrollador definir de forma clara la gestión entre el modelo de objetos y el esquema de base de datos, además de expresar las operaciones de esta última en términos de objetos (Richardson, 2009). Estos frameworks buscan simplificar el proceso de desarrollo (Benjelloun, 2006).…”

Section: Fundamentación Teóricaunclassified

Evaluación y análisis de rendimiento de los frameworks de persistencia Hibernate y Eclipselink [Assessment and analysis of performance persistence frameworks Hibernate and EclipseLink]

2011

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ResumenSe recopila el estudio delimitado y particular de la evaluación de rendimiento realizada a los framework de persistencia Hibernate y EclipseLink, presentando una fundamentación teórica, que permitió desarrollar el objeto de estudio de esta investigación de forma analítica, crítica y primordialmente buscando que los resultados obtenidos e ilustrados en este trabajo sirvan de aporte en el momento de tomar la decisión de cuál de los dos presenta mayor rendimiento. Además se muestran los resultados obtenidos en cada una de las pruebas de estrés que se implementaron para la respectiva valoración, basadas en inserción, actualización, borrado y consulta de un número significativo de registros.Palabras Clave EclipseLink,Hibernate, Marco de trabajo, Rendimiento AbstractIt compiles the study defined and particular performance evaluation conducted to Hibernate persistence framework and EclipseLink, presenting a theoretical basis, allowed to develop for the purpose of this research an analytical, critical and primarily looking to the results and illustrated in this work serve as input when making the decision on which of the two has better performance. Also depic-ted are the results of each of the stress tests were carried out for the respective assessment, based on insert, update, delete, and query for a significant number of records.Keywords EclipseLink, Hibernate, Framework, Performance

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“…In addition to the collection protocol emulation, SqueakSave offers convention-based dynamic query methods similar to those in other dynamic-language object-relational mappers such as GORM [28] for Grails 5 or ActiveRecord for Ruby on Rails [12]. The first query presented in Listing 4 depicts a simple use-case where instances of the Blog class have to be found by an exact match between the given argument and the current value of the title instance variable.…”

Section: Basic Persistence Mechanismsmentioning

confidence: 99%

“…Dynamic Object-Relational Mappers ActiveRecord for Ruby on Rails [12] is a database schema-driven O/R mapping solution that adheres to the convention over configuration (CoC) principle [28]. While it provides almost effortless configuration, database schemas and object models are not automatically kept synchronized.…”

Section: Related Workmentioning

confidence: 99%

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Object-relational mapping with SqueakSave

Kowark

Hirschfeld

Haupt

2009

Proceedings of the International Workshop on Smalltalk Technologies

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Object persistence is an important aspect of application architectures and development processes. Different solutions in this field evolved over the last decades and new approaches are still subject to research. While object-oriented databases become increasingly popular, the usage of relational databases through an object-relational mapping layer is still one of the most widely adopted techniques. However, most object-relational frameworks require a considerable amount of mapping descriptions between object models and relational database schemas. This additional layer has to be maintained by developers along with the object model itself.In this paper, we present an approach to object-relational mapping that utilizes the introspection and intercession features of Smalltalk to free developers from manually creating those mapping descriptions. The presented framework analyzes the existing models and automatically deduces suitable database schemas. Thus, it aids development processes by neglecting the need for a separate mapping layer.A detailed introduction of the programming interface is followed by a description of the framework's internal implementation details. Additionally, the performance of the framework is evaluated through a comparison against a comparable system for the same programming environment.

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ORM in Dynamic Languages

Cited by 4 publications

References 3 publications

An approach to developing multi-tenancy SaaS using metaprogramming

An approach to developing multi-tenancy SaaS using metaprogramming

Evaluación y análisis de rendimiento de los frameworks de persistencia Hibernate y Eclipselink [Assessment and analysis of performance persistence frameworks Hibernate and EclipseLink]

Object-relational mapping with SqueakSave

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