/**
* Get access element of the specified service type for this dataset. If more than one, get the
* first one.
*
* @param type find this ServiceType
* @return InvAccess or null if there is not one.
*/
public InvAccess getAccess(thredds.catalog.ServiceType type) {
for (InvAccess a : getAccess()) {
InvService s = a.getService();
if (s.getServiceType() == type) return a;
}
return null;
}