It reinforces the structural aspects of an interaction system which is how the lifeline is connected. To visualize the complex logic of a system. To illustrate forward and reverse engineering.Ĭapturing information passing between objects. To display multiple alternate possibilities for the same use case. Providing a description of objects operating together within an object-oriented framework. Modelling collaborations, processes or hierarchical organization in the architecture of a system.
It is generated for each process of the system and relates to the existing development phase.Īpplication Scenarios for Collaboration Diagramsįew examples of situations where collaboration diagrams may be beneficial include:Ĭreate a birds-eye view of a collection of objects collaborating, especially within a real-time system.Īllocate capability to classes by exploring a system's behavioral attributes. The collaboration diagram illustrates how messages are exchanged between classes and objects (instances). The collaboration diagram represents the relationships between the objects. The objects collaborate and operate together by communicating (passing messages) with each other. Through interacting together, objects may generate (usable) high-level functionalities. Collaboration is a set of named actions and systems which have connections to them. The aim of a collaboration diagram is to illustrate the systemic dimensions of a structure, i.e., how various lifelines link within the structure. The interactions among these elements are then used to build a model. They are the main information source used to establish class roles and interfaces.Ĭollaboration diagrams are developed by first determining the design elements required to incorporate the functionality of interface features.
Designers can use collaboration diagrams to explain and identify the roles of objects performing a specific flow of events in a use case. They can demonstrate how objects communicate to execute a specific use case's actions or an aspect of a use case. Collaboration diagrams are also known as communication diagrams.
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