The most important objects are placed in the center of the diagram, with all other participating objects branching off. These messages are communications between objects that convey information about the activity and can include the sequence number. messages- Messages between objects are shown as a labeled arrow placed near a link.Each link is an instance where messages can be sent. Links- Links connect objects with actors and are depicted using a solid line between two elements.Each actor has a name and a role, with one actor initiating the entire use case. Actors- Actors are instances that invoke the interaction in the diagram.If an object has a property or state that specifically influences the collaboration, this should also be noted. The naming label follows the convention of object name: class name. Objects- Objects are shown as rectangles with naming labels inside.The four major components of a collaboration diagram are:
Notations of a collaboration diagramĪ collaboration diagram resembles a flowchart that portrays the roles, functionality and behavior of individual objects as well as the overall operation of the system in real time.
#Uml staruml tutorial software
Several vendors offer software for creating and editing collaboration diagrams. A model is then built using the relationships between those elements. These diagrams can be used to portray the dynamic behavior of a particular use case and define the role of each object.Ĭollaboration diagrams are created by first identifying the structural elements required to carry out the functionality of an interaction. A collaboration diagram, also known as a communication diagram, is an illustration of the relationships and interactions among software objects in the Unified Modeling Language ( UML).
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