UML活动图ActivityDiagram

UML活动图ActivityDiagramUML活动图ActivityDiagram A、Activity Diagram，活,动动动活用于系行建模,以及行以何方式描述。路动动动动动动动动动动动动动动动动动动动动动动动动动动动径程如下,基于各条件,并行理,数据,中断动动动动动动动动动动动动动动动动动动动动动动动动和其他路径的区,用于构建程,系或程序。动动动动动动动动动动动动动动动动动动动动动活着重描述操作，方法,中所完成的工作以及用例例或象的活。动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动B、活的模型元素动动动动动动动 B.1...

UML活动图ActivityDiagram A、Activity Diagram，活,动动动活用于系行建模,以及行以何方式描述。路动动动动动动动动动动动动动动动动动动动动动动动动动动动径程如下,基于各条件,并行理,数据,中断动动动动动动动动动动动动动动动动动动动动动动动动和其他路径的区,用于构建程,系或程序。动动动动动动动动动动动动动动动动动动动动动活着重描述操作，方法 ,中所完成的工作以及用例例或象的活。动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动B、活的模型元素动动动动动动动 B.1、Activity，活,动动 Activity动动动动动动和指定参与部属行,例如sub-Activitie 或Action动动动动动,来反映程的控制和数据流。在活中动动动Activity动动动动动动动动动动动动动动用于形容建模目的,程序型用的系动动动动动动动动动动动动流程建模的构和工作流程。 B.2、Structured Activity，构活,动动动动动 Structured Activity是一个合成元素,子活。有很多的动动动动动动动动动Structured Activity。B.3、Action，行,动动 Action元素描述了一个生在系中的一个基本程或。它是动动动动动动动动动动动动动动动动动动动活中的基本功能元。你可以它是动动动动动动动动动动动动动动动动动动Activity的孩子。它都表示程,但动动动动动动动动Activity 可以包含多或可分解的程,其中步每动动动动动动动动一个都可以在Action中体。动动Action不能一动动动步分解。 B.4、Partition，泳道, Partition用于合活,它不会影响活的流,但有助于活。动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动示作在那个象中行,或示行的是一件工作的那一部分。 B.5、Object，象,动动动 Object是运行的一个特例。动动动动动动动动动动Object常用于分析存在于中的多个事物,动动动动动动动动如:、真和信息。象在运行建模,使用运行状。动动动动动动动动动动动动动动动动动动动动动动动动动 B.6、Central Buffer Node，中央冲点,动动动动动 Central Buffer Node是一个象点用来管理有多个源和目的的流。动动动动动动动动动动动动动动动动动它充当多个从其它象流入的流和流出的流的冲,但不能接动动动动动动动动动动动动动动动动动动动动Action。B.7、Datastore，数据存,动动 Datastore是一个用于定永久存数据的元素。一个数据令牌入到一个动动动动动动动动动动动动动动动动动动动动动动Datastore是永久存,更新已存在的数据令牌。一个数据令牌从动动动动动动动动动动动动动动动动动动动动动Datastore出来是制数据副本。动动动动动动动B.8、Decision，判断, Decision是元素表明一个条件前的点。动动动动 B.9、Merge，合并, Merge是一个集一流路径。动动动动动动动动 B.10、Send，送,动动动 Send元素用于描述Action动送型号。 B.11、Receive，接收, Receive元素用于定求的接受。动动动动动动动 B.12、Synch，同,步 Synch状用于描述状机的并部分同生。在同动动动动动动动动动动动动动动动动动动动生后步Synch状的新路径将动动动动动动动动动合并。 B.13、Initial，起点,初始动 Initial元素是状用于表明一个合状的默状。可以在动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动动一个合状的区域有一个初始点。每 B.14、Final，点,动动动动动 B.15、Flow Final，流点,动动动 Flow Final元素描述一个系出口,不是动动动动动动Activity动动动束。只是入Flow Final动动动点的流束,其它流不受影响。 B.16、Region，区域, B.17、Exception，例外, Exception元素定了当例外生一操作的。动动动动动动动动动动动动动动动动 C、活的系动动动动动 C.1、Control Flow，控制流, Control Flow是接两个点的。它接动动动动动动动动动动动动动Activity动点,一旦源Activity完成就把流引动到目点上。动动动动动 C.2、Object Flow，控制流, Object Flow动动动动动动接两个元素,特殊数据通它。 C.3、Interrupt Flow，中断流, Interrupt Flow用于Exception。

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UML活动图ActivityDiagram

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