private RelationshipCheckResponse Check(ICypherFluentQuery q, IRelationshipCheckRequest request)
{
q = q.With("ID(e) as nodeId, count(rel) as relationshipCount");
switch (request.ThresholdType)
{
case RelationshipThresholdType.ReturnIfGreaterThan:
q = q.Where($"relationshipCount > {request.Threshold}");
break;
case RelationshipThresholdType.ReturnIfNotExact:
q = q.Where($"relationshipCount <> {request.Threshold}");
break;
case RelationshipThresholdType.ReturnIfEqual:
q = q.Where($"relationshipCount = {request.Threshold}");
break;
default:
throw new Exception("<INSERT PR HERE>");
}
var responses = q.Return((nodeId, relationshipCount) =>
new Violation
{
NodeId = nodeId.As<long>()
});
var response = new RelationshipCheckResponse();
response.Request = request;
response.Violations.AddRange(responses.Results.ToList());
return response;
}
/// <summary>
/// For a given label and relationship, returns anything that doesn't conform to expected count
/// </summary>
public RelationshipCheckResponse Check(IRelationshipCheckRequest request)
{
var q = CypherQuery
.Match($"(e:{request.FromLabel})")
.OptionalMatch($"(e)-[rel:{request.RelationshipLabel}]-()");
return Check(q, request);
}
/// <summary>
/// For a given label and relationship, returns anything that doesn't conform to expected count
/// </summary>
public RelationshipCheckResponse Check(IRelationshipCheckRequest request)
{
var inboundRequirement = request.RelationshipDirection == RelationshipDirection.Inbound ? "<" : "";
var outboundRequirement = request.RelationshipDirection == RelationshipDirection.Outbound ? ">" : "";
var q = CypherQuery
.Match($"(e:{request.NodeLabel})")
.OptionalMatch($"(e){inboundRequirement}-[rel:{request.RelationshipLabel}]-{outboundRequirement}()");
return Check(q, request);
}