Evaluation Von Java Data Objects
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Evaluation Von Java Data Objects
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Author : Martin Uhlig
language : de
Publisher: diplom.de
Release Date : 2002-02-18
Evaluation Von Java Data Objects written by Martin Uhlig and has been published by diplom.de this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-02-18 with Computers categories.
Inhaltsangabe:Einleitung: Enterprise JavaBeans haben sich in jüngster Zeit zu einer Standardtechnologie für Enterprise-Anwendungen insbesondere im eBusiness-Bereich entwickelt. Dies liegt nicht zuletzt an der umfangreichen Unterstützung automatischer Persistenz durch Container-Managed Persistence. An vielen Spezifikationsänderungen zwischen den einzelnen EJB-Versionen wird aber auch ersichtlich, dass dieses Persistenzframework noch nicht vollständig ausgereift ist. Vor allem komplexe Abhängigkeiten zwischen Entity Beans verursachen häufig gravierende Probleme. Eine faszinierende und vielversprechende Alternative zu Enterprise JavaBeans (insb. Entity Beans) scheint sich durch die Java Data Objects zu bieten. Insbesondere das Problem eines effizienten Persistenzframeworks mit vielen komplexen Beziehungen zwischen den Entity -Objekten wird hier adressiert. Die vorliegende Arbeit bietet eine Einführung in Java Data Objects, gefolgt von einem Kapitel zu praktischen Erfahrungen beim Einsatz von Java Data Objects und Enterprise JavaBeans in einem Projekt, und schließt mit einem Vergleich zwischen Java Data Objects, Enterprise JavaBeans und CocoBase. Die persistente Speicherung von Daten in Datenbanken, Dateisystemen, Hostumgebungen (allgemein Datenspeicher oder Enterprise Information System) ist Bestandteil fast jedes Softwaresystems. Werden diese Anwendungen mit der Programmiersprache Java entwickelt, so repräsentieren Objekte im Hauptspeicher des Computers die Daten zur Lauf- zeit. Für die dauerhafte Speicherung dieser Daten gibt es verschiedene Ansätze, die jeweils spezifische Vor- und Nachteile aufweisen. Diese betreffen sowohl die technische Umsetzung als auch die Anwendbarkeit durch den Programmierer. Die derzeit primär eingesetzten Verfahren sind Serialisierung, Zugriff auf eine relationale Datenbank mittels SQL über JDBC (Java Database Connectivity), Enterprise JavaBeans (häufig ebenfalls im Zusammenspiel mit einer relationalen Datenbank und über SQL) und verschiedene, zueinander inkompatible Persistenzframeworks. Obwohl sich beispielsweise die Serialisierung aus Anwendersicht relativ leicht benutzen lässt, leidet sie bei der Speicherung von komplexen Objektgraphen unter ihrer Inflexibilität. Die Java Database Connectivity erfordert vom Programmierer das Erlernen einer deklarativen Anfragesprache (SQL), welche ein gänzlich anderes als das objekt-orientierte Programmierparadigma darstellt. Außerdem muss sich der Programmierer mit [...]
Objects Components Architectures Services And Applications For A Networked World
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Author : Mehmet Aksit
language : en
Publisher: Springer Science & Business Media
Release Date : 2003-02-25
Objects Components Architectures Services And Applications For A Networked World written by Mehmet Aksit and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-02-25 with Business & Economics categories.
This book constitutes the thoroughly refereed post-proceedings of the international conference NetObjectDays 2002, held in Erfurt, Germany, in October 2002. The 26 revised full papers presented were carefully selected during two rounds of reviewing and revision. The papers are organized in topical sections on embedded and distributed systems; components and MDA; Java technology; Web services; aspect-oriented software design; agents and mobility; software product lines; synchronization; testing, refactoring, and CASE tools.
Objects And Databases
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Author : Klaus R. Dittrich
language : en
Publisher: Springer
Release Date : 2003-06-29
Objects And Databases written by Klaus R. Dittrich and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-06-29 with Computers categories.
These post-proceedings contain the revised versions of the papers presented at the \Symposium on Objects and Databases" which was held in Sophia-Antipolis, France, June 13, 2000, in conjunction with the Fourteenth European Conference on Object-Oriented Programming, ECOOP 2000. This event continued the t- dition established the year before in Lisbon (Portugal) with the First Workshop on Object-Oriented Databases. The goal of the symposium was to bring together researchers working in various corners of the eld of objects and databases, to discuss the current state of research in the eld and to critically evaluate existing solutions in terms of their current usage, their successes and limitations, and their potential for new applications. The organizing committee received 21 papers which were reviewed by a p- gram committee of people active in the eld of objects and databases. There were 3 reviews for each paper, and nally the organizing committee selected 9 long papers, 2 short papers, and a demonstration to be presented and discussed at the symposium. The selected papers cover a wide spectrum of topics, including data modeling concepts, persistent object languages, consistency and integrity of persistent data, storage structures, class versioning and schema evolution, query languages, and temporal object-oriented databases. In addition to the regular papers, the symposium included an invited p- sentation, given by Prof. Malcolm Atkinson from the University of Glasgow (Scotland) where he heads the Persistence and Distribution Group.
A New Geocomputation Pattern And Its Application In Dual Evaluation
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Author : Wensheng Zhou
language : en
Publisher: Springer Nature
Release Date : 2021-04-24
A New Geocomputation Pattern And Its Application In Dual Evaluation written by Wensheng Zhou and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-24 with Computers categories.
This book introduces Document As System (DAS), a new GeoComputation pattern, which is also a new GIS application pattern. It uses the GeoComputation language (G language) to describe and execute complex spatial analysis model in the MS Word environment, which solves the bottleneck problem of GIS application, makes GIS become a popular tool for spatial data analysis from the spatial data visualization tool, and plays an important role in the wide application of GIS technology. This book systematically introduces the theory related to the new GeoComputation pattern and the application example in the “dual-evaluation” of territorial and spatial planning, which can be used as a learning and reference manual for GIS related professionals and business personnel engaged in the “dual-evaluation” of territorial and spatial planning.
Generative Programming And Component Engineering
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Author : Gabor Karsai
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-10-12
Generative Programming And Component Engineering written by Gabor Karsai and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-10-12 with Business & Economics categories.
This book constitutes the refereed proceedings of the Third International Conference on Generative Programming and Component Engineering, GPCE 2004, held in Vancouver, Canada in October 2004. The 25 revised full papers presented together with abstracts of 2 invited talks were carefully reviewed and selected from 75 submissions. The papers are organized in topical sections on aspect-orientation, staged programming, types for meta-programming, meta-programming, model-driven approaches, product lines, and domain-specific languages and generation.
Java Data Objects
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Author : David Jordan
language : en
Publisher:
Release Date : 2003
Java Data Objects written by David Jordan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Java (Computer program language) categories.
The result is software that is truly object-oriented: not code that is partially object-oriented, with a large database-shaped lump on the back end. JDO lets you save plain, ordinary Java objects, and does not force you to use different data models and types for dealing with storage. As a result, your code becomes easier to maintain, easier to re-use, and easier to test. And you're not tied to a specific database vendor: your JDO code is entirely database-independent. You don't even need to know whether the datastore is a relational database, an object database, or just a set of files.
Ecoop Object Oriented Programming
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Author : Erik Ernst
language : en
Publisher: Springer
Release Date : 2007-08-13
Ecoop Object Oriented Programming written by Erik Ernst and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-08-13 with Computers categories.
This book constitutes the refereed proceedings of the 21st European Conference on Object-Oriented Programming, ECOOP 2007, held in Berlin, Germany in July/August 2007. The 25 revised full papers, presented together with 3 invited talks were carefully reviewed and selected from a total of 135 final submissions. The papers are organized in topical sections on types, runtime implementation, empirical studies, programs and predicates, language design, inheritance and derivation, aspects, as well as language about language.
Theory And Practice Of Model Transformation
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Author : Esther Guerra
language : en
Publisher: Springer
Release Date : 2017-07-03
Theory And Practice Of Model Transformation written by Esther Guerra and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-03 with Computers categories.
This book constitutes the refereed proceedings of the 10th International Conference on Model Transformation, ICMT 2017, held as part of STAF 2017, in Marburg, Germany, in July 2017. The 9 full papers and 2 short papers were carefully reviewed and selected from 31 submissions. The papers are organized in the following topical sections: transformation paradigms, languages, algorithms and strategies; development of transformations; and applications and case studies.
Formal Verification Of Object Oriented Software
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Author : Bernhard Beckert
language : en
Publisher: Springer
Release Date : 2012-07-11
Formal Verification Of Object Oriented Software written by Bernhard Beckert and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-07-11 with Computers categories.
This book presents the thoroughly refereed post-conference proceedings of the International Conference on Formal Verification of Object-Oriented Software, FoVeOOS 2011, held in Turin, Italy, in October 2011 – organised by COST Action IC0701. The 10 revised full papers presented together with 5 invited talks were carefully reviewed and selected from 19 submissions. Formal software verification has outgrown the area of academic case studies, and industry is showing serious interest. The logical next goal is the verification of industrial software products. Most programming languages used in industrial practice are object-oriented, e.g. Java, C++, or C#. FoVeOOS 2011 aimed to foster collaboration and interactions among researchers in this area.
Perspectives Of Systems Informatics
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Author : Manfred Broy
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-01-13
Perspectives Of Systems Informatics written by Manfred Broy and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-01-13 with Computers categories.
This book constitutes the thoroughly refereed postconference proceedings of the 5th International Andrei Ershov Memorial Conference, PSI 2003, held in Akademgorodok, Novosibirsk, Russia in July 2003. The 55 revised full papers presented were carefully reviewed and selected from 110 submissions during two rounds of evaluation and improvement. The papers are organized in topical sections on programming, software engineering, software education, program synthesis and transformation, graphical interfaces, partial evaluation and supercompilation, verification, logic and types, concurrent and distributed systems, reactive systems, program specification, verification and model checking, constraint programming, documentation and testing, databases, and natural language processing.