def special_quad_patterns(cls, alias_maker, discussion_id):
idea_link = alias_maker.alias_from_class(cls)
target_alias = alias_maker.alias_from_relns(cls.target)
source_alias = alias_maker.alias_from_relns(cls.source)
# Assume tombstone status of target is similar to source, for now.
conditions = [(idea_link.target_id == target_alias.id),
(target_alias.tombstone_date == None)]
if discussion_id:
conditions.append((target_alias.discussion_id == discussion_id))
return [
QuadMapPatternS(
Idea.iri_class().apply(idea_link.source_id),
IDEA.includes,
Idea.iri_class().apply(idea_link.target_id),
conditions=conditions,
name=QUADNAMES.idea_inclusion_reln),
QuadMapPatternS(
cls.iri_class().apply(idea_link.id),
IDEA.source_idea, # Note that RDF is inverted
Idea.iri_class().apply(idea_link.target_id),
conditions=conditions,
name=QUADNAMES.col_pattern_IdeaLink_target_id
#exclude_base_condition=True
),
QuadMapPatternS(
cls.iri_class().apply(idea_link.id),
IDEA.target_idea,
Idea.iri_class().apply(idea_link.source_id),
name=QUADNAMES.col_pattern_IdeaLink_source_id
),
QuadMapPatternS(
None, RDF.type, IriClass(VirtRDF.QNAME_ID).apply(IdeaLink.rdf_type),
name=QUADNAMES.class_IdeaLink_class),
]
def special_quad_patterns(cls, alias_maker, discussion_id):
return [
QuadMapPatternS(None,
RDF.type,
IriClass(VirtRDF.QNAME_ID_SUFFIX).apply(
Action.type),
name=QUADNAMES.class_ActionOnIdea_class)
]
def special_quad_patterns(cls, alias_maker, discussion_id):
discussion_alias = alias_maker.get_reln_alias(cls.discussion)
return [
QuadMapPatternS(
None, RDF.type,
IriClass(VirtRDF.QNAME_ID).apply(Idea.rdf_type),
name=QUADNAMES.class_Idea_class),
QuadMapPatternS(
None, FOAF.homepage,
PatternIriClass(
QUADNAMES.idea_external_link_iri,
# TODO: Use discussion.get_base_url.
# This should be computed outside the DB.
get_global_base_url() + '/%s/idea/local:Idea/%d', None,
('slug', Unicode, False), ('id', Integer, False)).apply(
discussion_alias.slug, cls.id),
name=QUADNAMES.idea_external_link_map)
]