Knowledge & Data · Interface

Source Extractor Interface

InterfaceKnowledge & DataKnowledge & Dataarc:SourceExtractorInterface

A uniform extraction contract under which every data source connector returns records carrying at least an identifier, content and last-updated timestamp.

Responsibility. Decouples transformation and loading from source-specific extraction logic.

Also known as: Unified extractor interface, Extractor contract

Direct neighbourhood (hover for relationship types)

Relationships

is exposed by structural

Data Source Connector abstract Ch6.3B

is invoked by dependency

Ingestion Pipeline Orchestrator Ch6.3B

Design guidance

SHOULD define a minimal record contract (id, content, updated_at) so new sources can be added without modifying transformation or loading logic.

Classification

Patterns: Multi-source integration with unified interfaces
Quality attributes: Maintainability (ISO/IEC 25010)

Sources

Ch6.3B: T. Nguyen, "ETL Worked Example - Load Phase & Pipeline Integration," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 6.3B. ISBN: 9798244538229.