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Sequence Diagram

Transcript: STID3024 System Analysis And Design UUM Complaint System ( UCS ) Members UUM Complaint System ( UCS ) Sequence Diagram Sequence Diagram UUM Complaint System is a portal where student of uum can visit to make a complaint. This portal was created with the goal to bring convenience to the student. Manage Complaint Section Manage Complaint Section Manage Disciplinary Section Manage Disciplinary Section Manage System Payment Manage System Payment Manage Data Collection Manage Data Collection Manage Suggestion Section Manage suggestion Section

UML - Sequence Diagram

Transcript: Whorkshop Sequence Diagrams Overview of an UML sequence diagram Overview Definition Definition Sequence diagram: an “interaction diagram” that models a single scenario executing in a system Describes an interaction among a set of objects participated in collaboration (or scenario), arranged in chronological order; it shows the objects that participating in the interaction by their "lifelines" and the messages that they send to each other. Key parts of a sequence diagram Key parts of a sequence diagram Participant: an object or an entity; the sequence diagram actor • sequence diagram starts with an unattached "found message" arrow Message: communication between objects Axes in a sequence diagram: • horizontal: which participant is acting • vertical: time (↓ forward in time) Sequence Diagrams captures interaction in different level of granularity: High-level interactions between the user of the system and the system, between the system and other systems, or between subsystems (sometimes known as system sequence diagrams) 1. The interaction that takes place in a collaboration that either realizes a use case or an operation (instance diagrams or generic diagrams) 2. Represent objects interact in (Model, View / Controller) MVC pattern of software framework 3. Syntax and semantics Representing objects An object: a box with an underlined label that specifies the object type, and optionally the object name. • Write the object's name if it clarifies the diagram. Lifeline An object's "life line" is represented by a dashed vertical line. • A lifeline represents an individual participant in the Interaction.. Activation An activation is represented by a thin rectangle on a lifeline) represents the period during which an element is performing an operation. A message (method call): horizontal arrow to the receiving object. • Write message name and arguments above the arrow. Representing messages between objects Type of arrow indicates types of messages: • Synchronous message: solid arrow with a solid head. • Asynchronous message: solid arrow with a stick head. • Return message: dashed arrow with stick head. Different types of messages A call message defines a particular communication between lifelines of an interaction, which represents an invocation of operation of target lifeline. Call Message A return message defines a particular communication between lifelines of an interaction, which represents the pass of information back to the caller of a corresponded former message. Return Message A self message defines a particular communication between lifelines of an interaction, which represents the invocation of message of the same lifeline. Self Message A recursive message defines a particular communication between lifelines of an interaction, which represents the invocation of message of the same lifeline. It's target points to an activation on top of the activation where the message was invoked from. Recursive Message A create message defines a particular communication between lifelines of an interaction, which represents the instantiation of (target) lifeline. Create Message A destroy message defines a particular communication between lifelines of an interaction, which represents the request of destroying the lifecycle of target lifeline. Destroy Message A duration message defines a particular communication between lifelines of an interaction, which shows the distance between two time instants for a message invocation. Duration Message A note (comment) gives the ability to attach various remarks to elements. A comment carries no semantic force, but may contain information that is useful to a modeler. Note Frame: a box around part of a sequence diagram • if → (opt) [condition] • if/else → (alt) [condition], separated by horizontal dashed line • loop → (loop) [condition or items to loop over] Alternatives, options, and loops Example: Examples 1. The user presses the “check email” button. 2. The client first sends all unsent email to the server. 3. After receiving an acknowledgment, the client asks the server if there is any new email. 4. If so, it downloads the new email. 5. Next, it deletes old thrashed email from the server. How to Draw sequence Diagram? a, https://www.planttext.com/ b, https://online.visual-paradigm.com/drive/#diagramlist:proj=0&new=SequenceDiagram c, https://code.visualstudio.com/ Tools https://sequencediagram.org/ d, https://www.lucidchart.com/pages/uml-sequence-diagram e,

Plot Diagram Template

Transcript: by author Conclusion Falling Action Climax Crisis Exposition Rising Action Created by: Book title

SEQUENCE DIAGRAM

Transcript: m 1 Sequence Diagram Anis Zulaikha Binti Abd Rahman Rohaini Letecia Binti Ali Rohim Siti Fatimah Binti Sezali p b Y X A SEQUENCE DIAGRAMM B Interaction diagrams that detail how operations are carried out. They capture the interaction between objects in the context of a collaboration. Sequence Diagrams are time focus and they show the order of the interaction visually by using the vertical axis of the diagram to represent time what messages are sent and when. What is Sequence Diagram C PURPOSE OF SEQUENCE DIAGRAM D Model high-level interaction between active objects in a system Model the interaction between object instances within a collaboration that realizes a use case Model the interaction between objects within a collaboration that realizes an operation Either model generic interactions (showing all possible paths through the interaction) or specific instances of an interaction (showing just one path through the interaction) E SEQUENCE DIAGRAM NOTATION F Actor a type of role played by an entity that interacts with the subject (e.g., by exchanging signals and data) external to the subject (i.e., in the sense that an instance of an actor is not a part of the instance of its corresponding subject). represent roles played by human users, external hardware, or other subjects. Lifeline A lifeline represents an individual participant in the Interaction. Activations A thin rectangle on a lifeline) represents the period during which an element is performing an operation. The top and the bottom of the rectangle are aligned with the initiation and the completion time respectively. Call Message A message defines a particular communication between Lifelines of an Interaction. Call message is a kind of message that represents an invocation of operation of target lifeline. Return Message A message defines a particular communication between Lifelines of an Interaction. Return message is a kind of message that represents the pass of information back to the caller of a corresponded former message. Self Message A message defines a particular communication between Lifelines of an Interaction. Self message is a kind of message that represents the invocation of message of the same lifeline. Recursive Message A message defines a particular communication between Lifelines of an Interaction. Recursive message is a kind of message that represents the invocation of message of the same lifeline. It's target points to an activation on top of the activation where the message was invoked from. Create Message A message defines a particular communication between Lifelines of an Interaction. Create message is a kind of message that represents the instantiation of (target) lifeline. Destroy Message A message defines a particular communication between Lifelines of an Interaction. Destroy message is a kind of message that represents the request of destroying the life cycle of target lifeline. Duration Message A message defines a particular communication between Lifelines of an Interaction. Duration message shows the distance between two time instants for a message invocation. Note A note (comment) gives the ability to attach various remarks to elements. A comment carries no semantic force, but may contain information that is useful to a modeler. EXAMPLE G THANK YOU! H

HIS Sequence Diagram

Transcript: TIRZOK Hospital Information System Registration Registration Health-Card Issuance Providing Slip Health-Card Issuance Health-Card Issuance Providing Slip Providing Slip Outdoor Outdoor Serial Monitor Outdoor Sequence Serial Monitor Serial Monitor Outdoor Sequence Outdoor Sequence Indoor Indoor .... .... .... OUT Chamber OUT Chamber Diagnosis Pharmacy Diagnosis Diagnosis Pharmacy Pharmacy

Sequence Diagram

Transcript: Starts wave Creates enemy Wave Game finished Main WaveList WaveTimer Enemy dies Returns waves Wave is over Asks for waves Enemy Create WaveTimer

UML Sequence Diagram

Transcript: 4 3 2 UML Sequence Diagram 5 6 1 What is Sequence Diagram? What is Sequence Diagram? UML Sequence Diagrams are interaction diagrams that detail how operations are carried out. Sequence Diagrams are time focus and they show the order of the interaction visually by using the vertical axis of the diagram to represent time what messages are sent and when. Purpose of Sequence Diagram : Purpose of Sequence Diagram Model high-level interaction between active objects in a system Model the interaction between object instances within a collaboration that realizes a use case Model the interaction between objects within a collaboration that realizes an operation Sequence Diagrams at a Glance At a Glance Sequence Diagrams show elements as they interact over time and they are organized according to object (horizontally) and time (vertically) Object Dimension : The horizontal axis shows the elements that are involved in the interaction The objects involved in the operation are listed from left to right according to when they take part in the message sequence. However, the elements on the horizontal axis may appear in any order Object Dimension Time Dimension : Time Dimension The vertical axis represents time proceedings (or progressing) down the page. Notation Some examples of sequence diagram notation represent roles played by human users, external hardware, or other subjects. Actor Actor A lifeline represents an individual participant in the Interaction. Lifeline lifeline A thin rectangle on a lifeline, represents the period during which an element is performing an operation. The top and the bottom of the rectangle are aligned with the initiation and the completion time respectively Activations Activations Call Message Call Message A message defines a particular communication between Lifelines of an Interaction. Call message is a kind of message that represents an invocation of operation of target lifeline. Return Message Return Message Return message is a kind of message that represents the pass of information back to the caller of a corresponded former message. Self Message Self Message Self message is a kind of message that represents the invocation of message of the same lifeline. Sequence Fragments : UML 2.0 introduces sequence (or interaction) fragments. Sequence fragments make it easier to create and maintain accurate sequence diagrams A sequence fragment is represented as a box, called a combined fragment, which encloses a portion of the interactions within a sequence diagram The fragment operator (in the top left cornet) indicates the type of fragment Fragment types: ref, assert, loop, break, alt, opt, neg Sequence Fragments Combined Fragment Example An example of a sequence diagram Thanks for listening to me ! Preparation and presentation | Abdullah bin Salim the end Created by

Plot diagram template

Transcript: Plot diagram template Conflict Exposition The conflict is that Relle and Gabe got into a fight, relle was one of the survivor and relle didnt want to be friends with gabe because he wanted to repost the talent show. Rising Action Gabe rising action Climax Climax Resolution Topic falling action Falling action