feat(gen-shacl): generate sh:sparql constraints from LinkML rules#11
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Implement SHACL-SPARQL constraint generation for the boolean-guard pattern commonly used in conditional validation rules. When a LinkML class has rules: blocks with preconditions (value_presence: PRESENT) and postconditions (equals_string: true), the generator now emits sh:SPARQLConstraint nodes on the corresponding sh:NodeShape. Features: - New _add_rules() method translates recognised rule patterns to SPARQL - Boolean-guard pattern: if value present then flag must be true - Rule description mapped to sh:message on the constraint - Deactivated rules are skipped - Warnings emitted for bidirectional/open_world rule flags - New --emit-rules/--no-emit-rules CLI flag (default: enabled) - Full URI references in SPARQL (no PREFIX declarations needed) The generated SPARQL follows W3C SHACL Section 5 and uses the pre-bound \ variable per Section 5.3.1. Constraints are validated by pyshacl with advanced=True. Refs: linkml#2464 Signed-off-by: Carlo van Driesten <carlo.van-driesten@bmw.de>
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Summary
Implement SHACL-SPARQL constraint generation for the boolean-guard pattern commonly used in conditional validation rules. When a LinkML class has
ules:\ blocks with preconditions (\�alue_presence: PRESENT) and postconditions (\�quals_string: true), the generator now emits \sh:SPARQLConstraint\ nodes on the corresponding \sh:NodeShape.
Features
Standards Compliance
Tests
Related Issues
Refs: linkml#2464