英语翻译5.3.1.Component Repository (CR).ComponentRepository is a Jini Lookup Service named“Components”.It contains a collection of components thatare currently available to the users to develop theirapplications.A component registers with the

英语翻译5.3.1.Component Repository (CR).ComponentRepository is a Jini Lookup Service named“Components”.It contains a collection of components thatare currently available to the users to develop theirapplications.A component registers with the
英语翻译
5.3.1.Component Repository (CR).Component
Repository is a Jini Lookup Service named
“Components”.It contains a collection of components that
are currently available to the users to develop their
applications.A component registers with the CR if it
wants to provide its service to an application.The
registration information cannot stay in the CR infinitely.
A lease indicating the duration of the component
registration is returned to the component provider when
the component registers with the CR.The component
provider needs to renew the registration before its lease
expires if it wants to continue to provide its component
service.A component will be eliminated from the CR if it
stops renewing the lease.
In our implementation,components are implemented
as Jini Services.For each component,there is a
corresponding service wrapper class that is responsible for
publishing the component as a Jini service.The
components developed by different component providers
can be published in our environment at any time and
plugged in anywhere.They can be deployed to the
appropriate hosts automatically without pre-installing.
53.2.Resource Repository (RR).Resource
Repository is a Jini Lookup Service,named “Resources”.
It keeps track of all host registrations that are currently
registered in the environment.The registration is made for
a specific time period and a lease is returned to the host.
Resources can be added or discovered in a similar
approach to the component publishing and discovering
techniques that were discussed in the previous subsection.
5.3.3.Control and Data Message Center.There are
two message centers:Control and Management Message
Center and Data Message Center,which were
implemented using JavaSpaces and Java Message Service
(JMS) respectively.
文章有些长,主要是知识性,希望能在较短的时间内得到比较准确的答复,

英语翻译5.3.1.Component Repository (CR).ComponentRepository is a Jini Lookup Service named“Components”.It contains a collection of components thatare currently available to the users to develop theirapplications.A component registers with the
5.3.1.组分贮藏库(哥斯达黎加).组分
Repository是名为的Jini查寻服务
“Components”.它包含组分的一汇集are现在可以得到对开发他们的用户
applications.组分向哥斯达黎加登记,如果它 提供它的服务的wants为应用.
registration信息在哥斯达黎加不可能无限地停留.表明组分的期间的A租约
registration返回到组分提供者,当
the组分向哥斯达黎加登记.组分
provider需要在它的租约之前更新注册
expires,如果它想要继续提供它的组分
service.组分从哥斯达黎加将被消灭,如果它 更新租约的stops.
In我们的实施,组分被实施
as Jini服务.为每个组分,有a
corresponding服务负责的封皮类
publishing组分作为Jini服务.不同的组分提供者开发的components
can在我们的环境里在任何时候被出版和 任何地方plugged.他们可以在被部署 自动appropriate主人没有事先装配.
53.2.资源贮藏库(RR).资源
Repository是Jini查寻服务,名为“Resources”.
It记录当前是的所有主人注册
registered在环境里.预定安排为
a特定时间期间和租约返回到主人.
Resources在相似可以增加或被发现 对发现的组分的approach出版和 在早先分部被谈论的techniques.
5.3.3.控制和数据信息中心.有
two消息中心：控制和管理消息
Center和数据信息中心,是 使用JavaSpaces和Java信息服务的implemented
(JMS)分别.

5.3.1. 组件库
组件库是Jini的一种组件查找服务。该库包含当前用户可用于开发其应用程序的所有组件集。A 组件必须首先注册到组件库才能为应用程序开发服务 。注册信息不能无限期滞留组件库中。当组件注册到组件库时，组件库把标志有组件注册期限的信息反馈给组件供应商。如果组件供应商想持续提供其组件服务需在期限到来之前重新注册，不重新注册的组件将被组件库删除。组件是作为Jini 服务 运行的...

全部展开

5.3.1. 组件库
组件库是Jini的一种组件查找服务。该库包含当前用户可用于开发其应用程序的所有组件集。A 组件必须首先注册到组件库才能为应用程序开发服务 。注册信息不能无限期滞留组件库中。当组件注册到组件库时，组件库把标志有组件注册期限的信息反馈给组件供应商。如果组件供应商想持续提供其组件服务需在期限到来之前重新注册，不重新注册的组件将被组件库删除。组件是作为Jini 服务 运行的，每个组件都有相应的服务包，这个服务包负责将组件发布为Jini 服务。其他供应商开发的组件可以在任何时间在该操作环境下发布，可以插入该操作环境的任一空间，可以不经预安装即自动在合适的主机上提供其服务。
53.2. 资源库
资源库是Jini的一种资源查找服务。该库跟踪当前注册到资源库环境下的所有主机的注册。注册被指定特定的时间期限并反馈给主机。资源可以以前节讨论的类似于组件发布和发现技术类似的方法添加或发现。
5.3.3. 控制和数据消息处理中心
有两个消息处理中心：控制与管理消息中心和数据消息中心，分别使用JavaSpaces和Java消息服务开发。

收起