public override AnyValue MapRelationship(VirtualRelationshipValue value)
{
if (value is RelationshipValue)
{
return(value);
}
return(ValueUtils.fromRelationshipProxy(ProxySpi.newRelationshipProxy(value.Id())));
}
public override Relationship CreateRelationshipTo(Node otherNode, RelationshipType type)
{
if (otherNode == null)
{
throw new System.ArgumentException("Other node is null.");
}
// TODO: This is the checks we would like to do, but we have tests that expect to mix nodes...
//if ( !(otherNode instanceof NodeProxy) || (((NodeProxy) otherNode).actions != actions) )
//{
// throw new IllegalArgumentException( "Nodes do not belong to same graph database." );
//}
KernelTransaction transaction = SafeAcquireTransaction();
try
{
using (Statement ignore = transaction.AcquireStatement())
{
int relationshipTypeId = transaction.TokenWrite().relationshipTypeGetOrCreateForName(type.Name());
long relationshipId = transaction.DataWrite().relationshipCreate(_nodeId, relationshipTypeId, otherNode.Id);
return(_spi.newRelationshipProxy(relationshipId, _nodeId, relationshipTypeId, otherNode.Id));
}
}
catch (IllegalTokenNameException e)
{
throw new System.ArgumentException(e);
}
catch (EntityNotFoundException e)
{
throw new NotFoundException("Node[" + e.entityId() + "] is deleted and cannot be used to create a relationship");
}
catch (InvalidTransactionTypeKernelException e)
{
throw new ConstraintViolationException(e.Message, e);
}
}