Setattrobj

Setattrobj is a term used in some programming libraries to refer to a function or method that assigns an attribute object to a host object. The attribute object encapsulates metadata, configuration, or styling data that describes or augments the host. By separating the attribute data from the host, setattrobj supports composition, reuse, and dynamic reconfiguration of objects.

Usage and form can vary by language, but common signatures include setattrobj(target, attrObj) or setattrobj(target, key, attrObj). The function may return a value indicating success, or the previous attribute object that was replaced. Typical behavior includes input validation, and optional copying or referencing of the attribute object. Some implementations emit events or notify observers when attributes change, and may support read-only or immutability constraints.

Contexts where setattrobj appears include user interface toolkits applying style or state attributes to widgets, graphics or rendering pipelines assigning materials or shader parameter objects, and data models attaching metadata or configuration containers to entities. It is often used to enable dynamic reconfiguration without altering the core state of the host object.

Alternatives and related concepts include setAttribute, setAttributes, attachPropertyObject, or similar APIs that attach or replace property bags or metadata containers. The term is not standardized across languages, and exact semantics can vary by library or framework.

See also: attribute object, metadata, object composition, observer pattern.