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Newton
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==Key technologies== | ==Key technologies== | ||
| − | + | ===[[OSGi]]=== | |
which is central to the whole Newton component model | which is central to the whole Newton component model | ||
提供[[Equinox]], [[Knopflerfish]] 两种OSGi框架选择, 如 | 提供[[Equinox]], [[Knopflerfish]] 两种OSGi框架选择, 如 | ||
| − | |||
./newton.sh equinox // 以Equinox的框架启动 | ./newton.sh equinox // 以Equinox的框架启动 | ||
| − | + | ./newton.sh // 以Knopflerfish的框架启动 | |
| + | 基本操作: | ||
| + | bundles /framework bundles | ||
| + | install /framework install | ||
| + | start /framework start | ||
| + | stop /framework stop | ||
| + | update /framework update | ||
| + | refresh /framework refresh | ||
| + | services /framework services | ||
| + | startlevel /framework startlevel | ||
| + | shutdown /framework shutdown | ||
| + | fw /session enter framework | ||
| + | log /log show | ||
| + | lsb /framework bundles -i | ||
| + | lss /framework services | ||
| + | exports /framework package -b | ||
| + | ps /framework bundles -i | ||
| + | cd /framework cd | ||
| + | manifest /framework headers | ||
| + | exit /framework shutdown | ||
| + | quit /framework shutdown | ||
| + | |||
| + | ===[[Jini]]=== | ||
which is the basis of Newton's remoting infrastructure | which is the basis of Newton's remoting infrastructure | ||
| − | + | ===[[Service Component Architecture|SCA]]=== | |
describe describe assemblies of componenents, or composites in SCA terminology | describe describe assemblies of componenents, or composites in SCA terminology | ||
==Component Model== | ==Component Model== | ||
2008年3月25日 (二) 15:48的版本
The Newton project aims to build a distributed component model.
Newton makes use of OSGi for wiring up composites within a single JVM and Jini technology for tracking and wiring up dependencies between composites in different JVMs.
Newton是Paremus公司Infiniflow Distributed Service Framework (DSF) 产品的一个开源版本，它是基于GPL协议的。
Newton是一个分布式的构件框架，它用SCA标准来描述分布式系统，并且提供了高度动态的SCA实现（基于OSGi技术）。它能够加载和管理部署在分布不同JVM中的SCA构件。
Newton借鉴了Spring的分离关注思想，将域模型和基础设施分离，提供了一个轻量级的分布式构件开发模型。对于分布式模型，面临的最大问题来自于网络状态不稳定、不可预见的系统失效，以及分布式系统的管理（如部署问题、资源释放等）问题。Newton使用OSGi和Jini来解决这些问题。OSGi是Newton整个构件模型的中心，而Jini则是其远程基础设施的基石。
目录 |
Key technologies
OSGi
which is central to the whole Newton component model
提供Equinox, Knopflerfish 两种OSGi框架选择, 如
./newton.sh equinox // 以Equinox的框架启动 ./newton.sh // 以Knopflerfish的框架启动
基本操作:
bundles /framework bundles install /framework install start /framework start stop /framework stop update /framework update refresh /framework refresh services /framework services startlevel /framework startlevel shutdown /framework shutdown fw /session enter framework log /log show lsb /framework bundles -i lss /framework services exports /framework package -b ps /framework bundles -i cd /framework cd manifest /framework headers exit /framework shutdown quit /framework shutdown
Jini
which is the basis of Newton's remoting infrastructure
SCA
describe describe assemblies of componenents, or composites in SCA terminology
Component Model
Projects
- Sigil is an eclipse plugin that helps developers build and test code to be deployed on the Newton platform.
Eclipse 3.2 update site url is:
http://sigil.codecauldron.org/update-site
