registeras

Registeras is a term used in software development to describe the action of registering an entity under a specific alias or key within a registry. It denotes a pattern where a name is bound to a resource, implementation, or provider, enabling later retrieval by that identifier. The term is not a formal standard, but appears as a method or function name in various frameworks and libraries.

In practice, registeras involves managing a mapping between identifiers and their corresponding objects. This mapping supports decoupling, since code can request an implementation by name without depending on a concrete class. Registries that offer a registeras mechanism often allow optional metadata, such as scope, lifecycle, or priorities, to control how and when the registered item is instantiated or used.

Common contexts for registeras include dependency injection containers, plugin or extension registries, localization or message registries, and command or event registries. In each case, a library may provide a function or method like registerAs(name, provider) or registry.registerAs('featureX', FeatureXProvider), followed by retrieval via registry.get('featureX') or a similar lookup.

Example usage (conceptual): registerAs('logger', ConsoleLogger) and later logger = registry.get('logger'). This design supports runtime extensibility and easier testing by swapping implementations behind a stable alias.

Benefits of the registeras pattern include improved decoupling, easier replacement of components, and centralized management of resources. Potential drawbacks involve naming collisions, reliance on the registry’s availability, and the need for consistent naming and lifecycle rules.

See also: registries, dependency injection, service locator pattern, plugin architecture.