int nDirection = connector.getDirection();
if (nDirection == Connector.EAST_DIRECTION || nDirection == Connector.SOUTH_DIRECTION) //--sink
return modelValidation.canChangeConnection(endId, startId, false, newNodeId, bChangeStart);
else
return modelValidation.canChangeConnection(endId, startId, true, newNodeId, bChangeStart);
}
if (conn instanceof DecomposeConnection || conn instanceof AttributeConnection)
return modelValidation.canChangeConnection(startId, endId, newNodeId, bChangeStart, type);