• June 18, 2019

Manual de Umbrello UML Modeller. Manual de Umbrello UML Modeller Documents · Generaliserade linjära modeller , individvariationer och Rasch-modeller · Generaliserade linjära modeller. XMI-based model interchange between the UML modelling tools was performed Version () Umbrello UML Modeller Version

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Associations can have a role that specifies the purpose of the association and can be uni- or bidirectional indicates if the two objects participating in the relationship can send messages to the other, of if only one of them knows about the umbrwllo. They can contain operations but no attributes.

Enums are a simple list of values. Compositions are associations that represent very strong aggregations.

The set of attributes declared as unique are unique to the entity. A check constraint is applied to each row in the table.

Manual UML Modeller Umbrello

Attributes can also be displayed with their visibility:. The template type is specified when a class is initiated i. They have no logical meaning in the model.

Stands for protected attributes. Datatypes are primitives which are typically built into a programming language. Component Diagrams show the software components either component technologies such as KParts, CORBA components or Java Beans or just sections of the system which are clearly distinguishable and the artifacts they are made out of such as source code files, programming libraries or relational database tables.

Use Case Diagrams describe the relationships and dependencies between a group of Use Cases and the Actors participating in the process. Components can have interfaces i. No standard notations exist for depicting ER Diagrams. An actor is an external entity outside of the system that interacts with the system by participating and often initiating a Use Case. Activity Diagrams are a special form of State Diagrams, that only or mostly contains Activities.


Classes can inherit from interfaces through a realisation association and instances can then be made of these diagrams. Different texts on this subject use different notations.

Manual de Umbrello UML Modeller | FlipHTML5

A Use Case describes — from the point of view of the actors — a group of activities in a system that produces a concrete, tangible result. A Foreign Key is a referential constraint between two tables.

Each end of the association also has a multiplicity value, which dictates how many objects on this side of the association can relate to one object on the other side. It describes the connection between different classes the connection between the actual objects is model,er object connection, or link.

Visual representation of a Class in UML.

A typical example is an enum for days of the week. Ready Listening Working Stopped. For Aggregations, the class acting as the whole always has a multiplicity of one. Activity Diagrams support sequential as well as parallel Activities. Interfaces are abstract classes which means instances cannot be directly created of them. Objects are instances of classes. The columns in the referenced table must form a primary key or unique key. The new entities, known as derived entities, take over or inherit attributes of the pre-existing entities, which are referred to as base entities.

Use Case Diagrams tell, what the system should do but do not — and cannot — specify how this is to be achieved.

It may be an object with a physical existence example, Computer, Robot or it may be an object with a conceptual existence eq: The foreign key identifies a column or a set of mubrello in one referencing table that refers to a column or set of columns in another referenced table.


Collaboration Diagrams are specially well suited to showing a specific program flow or situation and are one of the best diagram types to quickly demonstrate or explain one process in the program logic.

They represent the external interface of the system and specify a form of requirements of what the system has to do remember, only what, not how. All objects of this class instances of this class share the same behavior, and have the same set of attributes each object has its own set.

This means that the same real world entity may be a member of more than one derived hmbrello of the specialization. They usually take the form of a note or majual document that is somehow linked to the Use Case, and explains the processes or activities modellre take place in the Use Case.

Actors can be in real life people for example users of the systemother computer systems or external events. In Collaboration Diagrams messages sent from one object to another are represented by arrows, showing the message name, parameters, and the sequence of the message. Notes are useful to add more detailed information about an object or a specific situation. Collaboration Diagrams show the interactions occurring between manuak objects participating in a specific situation.