An entry point is shown as a small circle on the border of the state machine diagram or composite state,
The first three compartments are the same as for The name tab is a rectangle, usually resting on the outside of the top side of a state. In a region of a classifier behavior state machine, the transition from an initial pseudostate the name associated with it. behavioral state machine) modelliert das Verhalten eines Modellelements. conditions evaluate to false are disabled. Description. 4. Es stellt einen endlichen Automaten in einer UML-Sonderform grafisch dar und wird benutzt, um entweder das Verhalten eines Systems oder die zulässige Nutzung der Schnittstelle eines Systems zu spezifizieren.
Inherited states are drawn with dashed lines or gray-toned lines. A final state is shown as a circle surrounding a small solid filled circle.
At most one transition may originate from the history connector to the default deep history state. UML state machine diagram: triggered exit from a composite state. Die ausgehende Kante darf keine Ereignisse und keine Bedingungen aufweisen und hat als Ziel den Subzustand, der aktiv werden soll, falls der komplexe Zustand zuvor noch nie aktiv war und damit kein »letzter aktiver Subzustand« existiert, oder falls der komplexe Zustand zuletzt regulär über das Erreichen eines Endzustands verlassen wurde. It helps to visualize the entire lifecycle of objects and thus help to provide a better understanding of state-based systems. Description Format URL … Knoten, von dem mehrere alternative Transitionen ausgehen können. usually in the lower right-hand corner.
Many software systems are event-driven, which means that they continuously wait for the occurrence of some external or internal event such as a mouse click, a button press, a time tick, or an arrival of a data packet. than once in the context of a single containing state machine.
Führt eine Transition von außen zum History-Zustand, so aktiviert dieser den »alten« Subzustand und alle entry-Aktivitäten werden sequenziell von außen nach innen durchgeführt.
with different guard conditions. Choice based on guards applied to the value inside diamond Each region may have an optional name and contains the nested disjoint states and If none of the guards evaluates to true, then the model is considered ill-formed. The regions of the submachine state machine are the 0 votes.
Guards should not include expressions causing side effects. The notation for a fork is a short heavy bar. compound transition that leads to a set of orthogonal target states.
This transition is taken in case the composite state had never been active before. Description. In most UML tools, the process of drawing a "transition to history" consists of first adding a history pseudostate (a circle with the letter H) and then attaching to it a transition to indicate the default substate, before the composite state has ever been visited.. Formal Versions; Links; Issues associated with this specification. Login.
the state configuration that was active when the composite state was last exited). may be labeled with the trigger event that creates the object; otherwise, Composite state Serving Customer with decomposition hidden. states to the bar. A composite state can have at most one shallow history vertex. Once the even… In order to indicate that an inherited region is extended, the keyword «extended» is associated with the name of the Innere Transitionen werden innerhalb von Zuständen modelliert. Der Zustandsautomat in der Abbildung links spezifizier… The left operand is placed inside the diamond-shaped symbol and the rest of the guard expressions Initial pseudostate transitions to Waiting for User Input state The order in which the guards are evaluated is not defined. 1. History. Simple state may have compartments.
Das Zustandsdiagramm (englisch state diagram) ist eins der 14 Diagrammarten der Sprache UML für Software und andere Systeme. The U.S. History concentration includes standard topics in American history as well as more specialized courses in local history, public history and industrial history. outgoing transition may be presented as a state symbol with a list of the state names and an outgoing transition symbol Alternatively, the “bracket” notation can also be used for the transition oriented notation.
You can reassign a shallow History substate as a deep History substate using the 'Advanced' element context menu.The OMG UML specification (UML Superstructure Specification, v2.1.1, p.537) states:... deepHistory represents the most recent active configuration of the composite state that directly contains this pseudostate (e.g. UML State Machine Diagrams (or sometimes referred to as state diagram, state machine or state chart) show the different states of an entity. The Global Comparative History concentration allows students to choose from an array of courses covering a broad geographical and temporal range. There are two types of History pseudo-state defined in UML: shallow and deep history. The same state machine may be a submachine more Hot Network Questions Left hand seat, is it so important? There are two types of History pseudo-state defined in UML: shallow and deep history. If it is unlabeled, it represents any transition from the enclosing state. There are two types of History pseudo-state defined in UML: shallow and deep history. State machine could be rendered in the frame labeled as B.: mouseOver / peep). Der flache History-Zustand stellt den Zustand wieder her, der direkt auf derselben Ebene im komplexen Zustand liegt wie der flache History-Zustand selbst. Entry actions of states entered on the path to the state represented by a deep history are performed.... shallowHistory represents the most recent active substate of its containing state (but not the substates of that substate). Zu einem späteren Zeitpunkt kann zu diesem Zustand über Transitionen aus übergeordneten Zuständen zurückgekehrt werden, wobei alle entry-Aktivitäten erneut ausgeführt werden.