Integrating the Java 2 Enterprise Environment with Java Data Objects
 | Name : Integrating the Java 2 Enterprise Environment with Java Data Objects File Type : Size : 143 KB |
Integrating the Java 2 Enterprise Environment with Java Data Objects Stefan Böttcher University of Paderborn Fürstenallee 11 , D-33102 Paderborn , Germany email: stb@uni-paderborn.de Robert Hoeppe Poet Software GmbH Kattjahren 4-8, D-22359 Hamburg, Germany email: robert@hoeppe.de Abstract. Whenever object-oriented applications that use the Enterprise JavaBeans (EJB) environment have to store data in a database, there is a need to combine EJBs with access to persistent data. The current use of entity beans for persistent data storage has a number of weaknesses. Component level inheritance and dynamic querying are not supported appropriately, and the whole approach seems to be overweight. In order to overcome these weaknesses, we implemented a JCA1-compliant resource adapter, which enables the use of Java Data Objects (JDO) instead of Entity Beans and allows the introduction of a lightweight, easy to use and powerful transparent persistence layer for the Java 2 Enterprise Environment (J2EE). 1. Introduction 1.1. Problem Origin and Motivation There is a growing interest Ebook Relate: enterprise ebook environment ebook beans ebook paderborn ebook entity ebook java data ebook data objects ebook entity beans ebook enterprise environment ebook java data objects ebook with java data ebook environment with java ebook |
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