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Observer pattern. In software design and engineering, the observer pattern is a software design pattern in which an object, named the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods . It is often used for implementing distributed event ...
Command pattern. In object-oriented programming, the command pattern is a behavioral design pattern in which an object is used to encapsulate all information needed to perform an action or trigger an event at a later time. This information includes the method name, the object that owns the method and values for the method parameters.
A context model (or context modeling) defines how context data are structured and maintained (It plays a key role in supporting efficient context management). [1] It aims to produce a formal or semi-formal description of the context information that is present in a context-aware system. In other words, the context is the surrounding element for ...
Composite structure diagram in the Unified Modeling Language (UML) is a type of static structure diagram, that shows the internal structure of a class and the collaborations that this structure makes possible. This diagram can include internal parts, ports through which the parts interact with each other or through which instances of the class ...
moodle.com. Moodle ( / ˈmuːdəl / MOO-dəl) is a free and open-source learning management system written in PHP and distributed under the GNU General Public License. [3] [4] Moodle is used for blended learning, distance education, flipped classroom and other online learning projects in schools, universities, workplaces and other sectors.
Type. Software development, UML Tool. License. Eclipse Public License 1.0. Website. argouml .org. ArgoUML is an UML diagramming application written in Java and released under the open source Eclipse Public License. By virtue of being a Java application, it is available on any platform supported by Java SE .
Dia has special objects to help draw entity-relationship models, Unified Modeling Language (UML) diagrams, flowcharts, network diagrams, and simple electrical circuits. It is also possible to add support for new shapes by writing simple XML files, using a subset of Scalable Vector Graphics (SVG) to draw the shape.
UML Designer is a graphical modeling tool for UML2 based on the Eclipse UML2 plugin and as defined by OMG. It provides support for the main UML diagrams and for UML profiles. Domain specific approach. As it is based on Sirius, the UML models could be combined with Domain Specific Modeling.