private static ICollection <KeyEventRelationship> FindFeedbackRelationshipsRecursive(
KeyEventRelationship keyEventRelationship,
ILookup <KeyEvent, KeyEventRelationship> fromNodesLookup,
HashSet <KeyEventRelationship> visited
)
{
if (visited.Contains(keyEventRelationship))
{
return(new List <KeyEventRelationship>()
{
keyEventRelationship
});
}
else
{
visited = new HashSet <KeyEventRelationship>(visited);
visited.Add(keyEventRelationship);
var linkedKeyEventRelationships = fromNodesLookup.Contains(keyEventRelationship.ToNode)
? fromNodesLookup[keyEventRelationship.ToNode].ToList()
: new List <KeyEventRelationship>();
return(linkedKeyEventRelationships
.SelectMany(r => FindFeedbackRelationshipsRecursive(r, fromNodesLookup, visited))
.Distinct()
.ToList());
}
}
private List <KeyEventRelationship> GetKeyEventRelationShips(
string idAopNetwork,
IDictionary <string, KeyEvent> keyEvents
)
{
var endpoint = new Uri("http://aopwiki-rdf.prod.openrisknet.org/sparql/");
var queryString = new SparqlParameterizedString();
queryString.Namespaces.AddNamespace("dc", new Uri("http://purl.org/dc/elements/1.1/"));
queryString.Namespaces.AddNamespace("aopo", new Uri("http://aopkb.org/aop_ontology#"));
queryString.Namespaces.AddNamespace("rdfs", new Uri("http://www.w3.org/2000/01/rdf-schema#"));
queryString.SetUri("value", new Uri("http://aopwiki-rdf.prod.openrisknet.org/sparql/"));
queryString.SetUri("id", new Uri($@"http://identifiers.org/aop/{idAopNetwork}"));
queryString.CommandText = (@"
SELECT ?KeUpstreamName ?KeDownstreamName
WHERE {
?KeDownstream a aopo:KeyEvent ;
rdfs:label ?KeDownstreamName .
?KeUpstream a aopo:KeyEvent ;
rdfs:label ?KeUpstreamName .
?Ker a aopo:KeyEventRelationship ;
aopo:has_upstream_key_event ?KeUpstream ;
aopo:has_downstream_key_event ?KeDownstream .
?Aop a aopo:AdverseOutcomePathway ;
dc:identifier ?AopId ;
rdfs:label ?AopName ;
aopo:has_key_event ?KeUpstream ;
aopo:has_key_event ?KeDownstream ;
aopo:has_key_event_relationship ?Ker .
FILTER (?AopId = @id)
}");
var parser = new SparqlQueryParser();
var processor = new RemoteQueryProcessor(new SparqlRemoteEndpoint(endpoint));
var query = parser.ParseFromString(queryString);
var resultSet = processor.ProcessQuery(query);
if (resultSet is SparqlResultSet)
{
var result = new List <KeyEventRelationship>();
foreach (var resultRow in (resultSet as SparqlResultSet))
{
var idDownstreamKeyEvent = ((ILiteralNode)resultRow["KeDownstreamName"]).Value.Replace("KE ", "");
var idUpstreamKeyEvent = ((ILiteralNode)resultRow["KeUpstreamName"]).Value.Replace("KE ", "");
keyEvents.TryGetValue(idDownstreamKeyEvent, out var downstreamKeyEvent);
keyEvents.TryGetValue(idUpstreamKeyEvent, out var upstreamKeyEvent);
var record = new KeyEventRelationship()
{
FromNode = upstreamKeyEvent,
ToNode = downstreamKeyEvent,
};
result.Add(record);
}
return(result);
}
else
{
return(null);
}
}