def _createImmediateRelsWhereChild(currentNode):
"""
Create transitive relationships for immeditate relationships where the
given node is the child.
"""
currentOid = currentNode.getOid()
# Add relationships from this node to its immediate parents
relsWithParents = Relationships.getByChildOidRelType(
currentOid, Relationships.PART_OF)
for parentRel in relsWithParents:
parentOid = parentRel.getParentOid()
if not exists(Relationships.PART_OF, descendentOid = currentOid,
ancestorOid = parentOid):
start, stop = Nodes.getStageWindowForNodeOid(currentOid)
DbAccess.writeSql("/* direct */")
createRelationshipTransitive(
Relationships.PART_OF, descendentOid = currentOid,
ancestorOid = parentOid)
# Add relationships based on its parents' already defined
# transitive relationships. Transitive relationships
# do not cross relationship types.
ancestorRels = _byDescendentOidRelType.get((parentOid,
Relationships.PART_OF))
if ancestorRels != None:
for ancestorRel in ancestorRels.itervalues():
ancestorOid = ancestorRel.getAncestorOid()
ancestor = Nodes.getByOid(ancestorOid)
if not exists(relType = Relationships.PART_OF,
descendentOid = currentOid,
ancestorOid = ancestorOid):
# if reltype is part-of then only generate a transitive
# relationship if the ancestor and this node overlap in time.
# Group ancestors sometimes do not overlap with their
# descendents.
ancestorStart, ancestorStop = (
Nodes.getStageWindowForNodeOid(ancestorOid))
if (start.getSequence() > ancestorStop.getSequence() or
stop.getSequence() < ancestorStart.getSequence()):
if not ancestor.isGroup():
# oops, supposed to be a group
Util.fatalError([
"Ancestor stage window does not overlap " +
"with descendent stage window and",
"ancestor is not a group.",
"Ancestor ID: " + ancestor.getPublicId() +
" Name: " + ancestor.getName(),
" Start-Stop: " + ancestorStart.getName() +
"-" + ancestorStop.getName(),
"Descendent ID: " + currentNode.getPublicId() +
" Name: " + currentNode.getName(),
" Start-Stop: " + start.getName() +
"-" + stop.getName()])
else:
DbAccess.writeSql("/* from ancestor */")
createRelationshipTransitive(Relationships.PART_OF,
descendentOid = currentOid,
ancestorOid = ancestorOid)
return
