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实体bean
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  entity bean
     Through to the analysis and study on J2EE technology and the EJB's programming model, the author designs and realizes this Entity Bean's dynamic manager, which will improve the reliability, expansibility and maintainability of the J2EE-based application system greatly.
     针对这一问题对J2EE技术及EJB编程模型进行分析与研究,利用最新的JDOM技术、XSLT技术及ANT技术设计并实现了实体Bean动态管理器,从而大幅度提高了基于J2EE的应用系统的可靠性、可扩充性和可维护性。
短句来源
     Analysis and Design of Entity Bean's Dynamic Management
     实体Bean动态管理器的分析与设计
短句来源
     Based on the above, the paper focuses on there search of Data Access Object(DAO) and Object relation Mapping(O/R Mapping), Then this thesis studies the many technologies for implementing O/R mapping in Java environment such as JDBC, Enterprise Entity Bean, JDO ( Java Data Object ) and third party O/R mapping tools.
     本文通过研究数据访问模式(DAO)和对象关系映射(O/R Mapping),细致分析了JDBC、实体Bean,JDO(Java数据对象)以及对象/关系映射工具优缺点,提出了自己的分布式数据访问框架构想。
短句来源
     Use EJB technology development framework B/S production management system entity Bean, session Bean and client.
     运用EJB技术开发B/S架构的生产管理系统实体Bean、会话Bean、客户端。
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     And then discusses and compares the four kinds of object persistence mechanism successively appeared on J2EE platform, which include the Java object serialization, the Entity Bean, the "Session Bean+JDBC" and the "Session Bean+JDO".
     接着,文章就J2EE平台上先后出现的Java对象序列化、实体Bean、“会话Bean+JDBC”以及“会话Bean+JDO”等四种对象持久化机制,进行了深入的研究与比较。
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  entity beans
     The Policies of Performance Optimization of Entity Beans in Web Application Server
     Web应用服务器中实体BEAN的性能优化策略
短句来源
     Database table structures are often changed due to some certain factors in the course of analysis, design and maintenance of database-based application system, resulting in the modification of the correlative Entity Beans' code, tremendous increase of the maintenance cost and decrease of the system's reliability.
     在基于数据库的应用系统分析设计与维护过程中,往往由于某些客观原因导致数据库表结构变动,使得相应的实体Bean代码也要随之改变,从而增加了系统维护成本,减少了系统的可靠性。
短句来源
     A Method for Accessing Multi-data Sources Based on CMP Entity Beans
     访问多个数据源CMP实体Bean的实现方法
短句来源
     Transparent persistence technology is one of the prominent object-oriented technologies, which includes entity beans based on J2EE platform and the third party object-relation mapping tools and JDO.
     透明持久技术是面向对象环境中实现持久存储的主流开发技术,如J2EE环境中的实体Bean,第三方对象关系映射工具及JDO。
短句来源
     More and more enterprise-level distributed application system are developed based on Sun J2EE architecture, but low running performance of Entity Beans often occurred in the process of the developing of EJB (Enterprise JavaBeans) components.
     目前基于Sun J2EB架构开发企业级分布式应用系统越来越多,在EJB的组件开发过程中,经常困扰开发和 设计人员的是实体Bean的运行效率较低。
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  “实体bean”译为未确定词的双语例句
     The implementation is a key component of OnceAS, which is a J2EE1.3 compliant application server developed independently by TCSE, ISCAS.
     该实体Bean容器和持久化管理器已经在网络应用服务器OnceAS中实现,OnceAS遵守J2EE1.3规范。
短句来源
     On the basis of container managing persistence of JTone application server(XJTU-CMP) and studying O-R mapping(JAWS),the articleimproves JAWS(now AppservCMP) and poses the optimized loading in order to promote the function of the O-R mapping.
     以现有的JTone应用服务器容器持久性管理(XJTU-CMP)为背景,在研究了O-R映射(JAWS)的基础上,对其进行了改进(现为AppservCMP),提出了一套实体bean优化加载策略和加载过程,以提高O-R映射的性能,以此提高了整个应用服务器运行效率。
短句来源
     The thesis first introduces distributed technology and the frame of J2EE, analyzes the component technology and container model, API and services of J2EE platform, pay more regard on EJB component and its each parts.
     本文首先简要介绍分布式对象技术,然后阐述J2EE的体系结构,介绍J2EE的组件技术、容器模型、J2EE平台的规范和提供的服务以及开发J2EE的过程中应遵循的规范,重点介绍EJB组件以及各组成部分,同时,对会话Bean、实体Bean和消息驱动Bean分别进行了阐述,并介绍如何优化EJB的性能以及处理遗留系统的策略。
短句来源
     Di scussing the two types of ent ity bean, BMPand CMP through the view of persistence management.
     对实体bean从持久性管理的角度分别分析研究了BMP和CMP两种不同方式的实体bean,并提出了CMP实体bean的改进模型和改进方法。
短句来源
     Persistent tier uses Entity Beantechnology, using O/R Mapping technology to separate database and business tier,lowers the dependence of business tier on database system.
     持久层使用实体Bean来实现,利用O/RMapping技术实现了数据库和业务层的分离,降低了业务层对数据库的依赖。
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  entity bean
Additionally every call to an Entity Bean will be intercepted by the container to check security and transactional settings.
      
Additionally, each entity bean provides a well-defined service-oriented interface of operations that can be invoked on that particular object.
      
A developer can easily implement an entity bean that connects a database without building JDBC connection logic.
      
Also you have to update all other clients accessing the changed Entity Bean.
      
Also if you use Bean Managed Persistence your Entity Bean access will be mapped to two database accesses as described above.
      
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  entity beans
Agents can be deployed as stateful session beans, or as stateless session beans coupled with entity beans when persistence of agent state is required.
      
A Java-method used to locate one or more entity beans.
      
A set of session beans and entity beans have been written for portlets to consume.
      
Also methods of some Entities Beans might only make sense in conjunction with other Entity Beans.
      
An interesting point to note is that the persistence for Entity Beans must use either primary keys or Handles to store references to Entity Beans.
      
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For the web based information systems which include more than one subsystem,component technique is applied to solving the integrity problem of code data. Some related techniques of EJB are introduced. Entity bean is used to implement the code table component,and the details of implementation and how to of the code table component are provided.

对于由多个子应用系统组成的Web信息系统 ,使用组件技术解决其代码数据的一致性问题。文中介绍了相关的EJB组件技术 ,采用实体Bean组件实现代码表组件 ,并给出了具体实现和使用方法。

As an important part of J2EE framework,EJB technology simplifies the development of middleware components. According to our understanding in developing practical projects,this article presents EJB architecture and the relations between EJB and other technologies including JavaBeans,CORBA and XML,etc. Finally, an application example using EJB is given. General rules and methods and detailed processes in mapping entity Beans and session Beans are also discussed.

EJB作为J2EE框架的重要组成部分,极大地简化了中间件组件的开发。本文根据作者在实际项目应用中的切身体会,阐述了EJB体系结构以及EJB与其他相关技术(如JavaBeans、CORBA、XML等)的关系。最后给出了一个EJB应用实例,并重点讨论了映射会话Bean和实体Bean的一般规则和方法,同时给出了具体的映射过程。

Struts is a Model-View-Controller framework which can support the bottom tier of MVC system by Servlet, JSP and custom tag library. This paper at first introduces the MVC model, then describes the architecture of Struts framework. It is emphasized on building enterprise application using Struts framework based on Distance Education Application System (DEAS), and enterprise data relations on Entity Bean are also analyzed. Finally the DEAS is deployed in Java 2 Enterprise Edition (J2EE).

Struts是一个MVC框架,它提供了对开发MVC系统的底层支持,采用的主要技术有Servlet,JSP和自定义标签库.本文在介绍MVC模式的基础上,介绍了Struts体系结构,以远程教育应用系统为例,用Struts体系结构构建企业级应用系统,分析该应用系统的企业级实体Bean的数据关系,最后给出了远程教育应用系统的部署.

 
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