private void ShowUniqueConstraints(DbStructureVisitor visitor, KernelTransaction ktx, TokenNameLookup nameLookup)
{
IEnumerator <ConstraintDescriptor> constraints = ktx.SchemaRead().constraintsGetAll();
while (constraints.MoveNext())
{
ConstraintDescriptor constraint = constraints.Current;
string userDescription = constraint.PrettyPrint(nameLookup);
if (constraint is UniquenessConstraintDescriptor)
{
visitor.VisitUniqueConstraint(( UniquenessConstraintDescriptor )constraint, userDescription);
}
else if (constraint is NodeExistenceConstraintDescriptor)
{
NodeExistenceConstraintDescriptor existenceConstraint = ( NodeExistenceConstraintDescriptor )constraint;
visitor.VisitNodePropertyExistenceConstraint(existenceConstraint, userDescription);
}
else if (constraint is RelExistenceConstraintDescriptor)
{
RelExistenceConstraintDescriptor existenceConstraint = ( RelExistenceConstraintDescriptor )constraint;
visitor.VisitRelationshipPropertyExistenceConstraint(existenceConstraint, userDescription);
}
else if (constraint is NodeKeyConstraintDescriptor)
{
NodeKeyConstraintDescriptor nodeKeyConstraint = ( NodeKeyConstraintDescriptor )constraint;
visitor.VisitNodeKeyConstraint(nodeKeyConstraint, userDescription);
}
else
{
throw new System.ArgumentException("Unknown constraint type: " + constraint.GetType() + ", " + "constraint: " + constraint);
}
}
}
public override void VisitNodePropertyExistenceConstraint(NodeExistenceConstraintDescriptor constraint, string userDescription)
{
if (!_nodePropertyExistenceConstraints.Add(constraint))
{
throw new System.ArgumentException(format("Duplicated node property existence constraint %s for %s", constraint, userDescription));
}
}
