Entity-Component-Interface model

Each entity can provide one or more interaction interfaces. Multiple interfaces can be combined into a component. Components can be embedded into other components. All entities, components and interfaces used in the solution must be statically described.

In KasperskyOS, there are three types of static description files:

• An EDL file contains a description of the entity in the Entity Definition Language (EDL): its name, components and interfaces, and other information.
• A CDL file contains a description of the component in the Component Definition Language,hereinafter referred to as CDL. The component description includes its name, set of included components and implemented interfaces.
• An IDL file contains a description of the package containing one interface in the Interface Definition Language (IDL). The description includes the package name, a declaration of the interface included in it, and a declaration of the types and named constants.

To ensure flexibility, an entity can contain several instances of one component. Multiple entities can include instances of the same component.

An entity does not have to contain any component and does not have to implement an interface. If this is the case, it does not provide functionality that is available to other entities.

The Server entity includes instances of the Terminal and Serial components containing various implementations of the Console interface.

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