对象 1.(目标) target; object 革命对象 target of the revolution; 批评的对象 the target of criticism; 研究对象 object of study; 他的古怪使他成为他们取笑的对象。 his crazy ideas made him the target of their jokes.2.(恋爱的对方) boyfriend; girl friend; marriage partner; match; prospective spouse; the target of one's love; fiancé or fiancée 找对象 look for a partner in marriage; 到处为她儿子物色对象 look round for a suitable match for her son; 对象参数 image parameter; 对象方程 plant equation; 对象关系 [心理学] object relationship; 对象数字模型 mathematical model of controlled plant; 对象语言 object language; 对象阻抗 image impedance
主动 1.(能够造成有利局面) initiative 主动作某事 do sth. on one's own initiative; do sth. of one's own accord; 争取主动 try to gain the initiative; contend for the initiative; 主动为人们做好事 be active in doing good to men; 主动求婚[爱尔兰] take the initiative in courtship; 她不愿意主动这么做。 she does not like to do so from her own initiative. 他工作很主动。 he displays great initiative in his work.2.[机械工程] driving; 主动报价 unsolicited offers; 主动导航 active homing; 主动舵 active rudder; main rudder; 主动滑轮 driving pulley; feed pulley; 主动皮带轮 drive pulley; 主动注意 [心] active attention
This element which is base on uml extension mechanism is a complementary of uml standard semantic 其中,封装体代表系统中并行运行的基本单位,因此是一种特殊的主动对象。
Firstly , we define the uml semantic of this model element based on uml extension mechanism , including capsule that is a kind of active class to represent the concurrent unit and protocol derived from collaboration , which mainly is used to describe the communication between capsules 它有着区别于主动对象的语义和表示方法,而协议被定义为一种协作,端口是参与协作的主要角色,通过状态机定义了端口间消息收发的序列,并隐式地描述了封装体对象之间的同步要求。
It demonstrates the feasibility of incorporating orb with mom , designs and implements rtps , a orb - based mom , which focuses on decentralized real - time publish - subscribe , removes the bottleneck by simplifing the responsibility of one node , and adopts the collocated client / server to set up a peer - to - peer ( p2p ) communication style . 2 . it points out the importance of asynchronous concurrent processing to dynamic responsive system , carries out a in - depth research on object - oriented multi - threaded architecture , designs and implements rtps _ thread _ manager , studies the active object pattern in detail and implements its core , that is rtpstask , as well as gives its varieties 论文主要的技术贡献有:论证了orb与mom两种技术相结合构建实时消息中间件rtps的可行性;设计实现rtps的体系结构:该结构以分布式实时发布-订阅为核心,通过职责精简消除了系统瓶颈,采用客户服务器并置( collocation )实现了对等模式通信;指出异步并发处理对于动态响应系统的重要性,深入研究了用以提高发布-订阅并发程度的面向对象多线程架构、设计实现了对象化线程管理器rtps thread manager ,详细论述了将对象的方法执行与方法调用分离在不同线程内的设计模式,即主动对象( activeobiect )的原理及核心实现rtps task ,并结合rtps设计实现指出了主动对象的几个变种。
As the standard modeling language , uml is the most important achievement in the object - oriented technique . during the developing of system based on uml , developers used to using active object to represent the concurrent entity . because the shortage of the describing capability , active object often fail to describe the system concurrency explicitly Uml作为面向对象的标准建模语言,是面向对象技术领域中的重要成果,在采用uml进行实时系统开发的过程中,人们往往采用主动对象来表示系统中并行运行的实体,而主动对象由于表达能力的限制,不能够对系统的并发性作出一个完整的、详尽的描述,这就要求我们能够提供一种新的机制来描述实时系统中的并行对象。