question: @ Override protected void doPostDbLoading ( SubEquipment subEquipment ) { Equipment parent = equipmentCache . get ( subEquipment . getParentId ( ) ) ; Long processId = parent . getProcessId ( ) ; if ( processId == null ) { throw new NullPointerException ( String . format ( "Equipment %s (%d) has no associated Process id - this should never happen!" , parent . getName ( ) , parent . getId ( ) ) ) ; } Long aliveTagId = subEquipment . getAliveTagId ( ) ; if ( aliveTagId != null ) { ControlTag aliveTagCopy = controlCache . getCopy ( aliveTagId ) ; if ( aliveTagCopy != null ) { setSubEquipmentId ( ( ControlTagCacheObject ) aliveTagCopy , subEquipment . getId ( ) , processId ) ; } else { throw new ConfigurationException ( ConfigurationException . INVALID_PARAMETER_VALUE , String . format ( "No Alive tag (#%d) found for Sub-Equipment %s (#%d)." , aliveTagId , subEquipment . getName ( ) , subEquipment . getId ( ) ) ) ; } } Long commFaultTagId = subEquipment . getCommFaultTagId ( ) ; if ( commFaultTagId != null ) { ControlTag commFaultTagCopy = controlCache . getCopy ( commFaultTagId ) ; if ( commFaultTagCopy != null ) { setSubEquipmentId ( ( ControlTagCacheObject ) commFaultTagCopy , subEquipment . getId ( ) , processId ) ; } else { throw new ConfigurationException ( ConfigurationException . INVALID_PARAMETER_VALUE , String . format ( "No CommFault tag (%s) found for sub-equipment #%d (%s)." , commFaultTagId , subEquipment . getId ( ) , subEquipment . getName ( ) ) ) ; } } else { throw new ConfigurationException ( ConfigurationException . INVALID_PARAMETER_VALUE , String . format ( "No CommFault tag for Sub-Equipment %s (#%d) defined." , subEquipment . getName ( ) , subEquipment . getId ( ) ) ) ; } Long statusTagId = subEquipment . getStateTagId ( ) ; if ( statusTagId != null ) { ControlTag statusTagCopy = controlCache . getCopy ( statusTagId ) ; if ( statusTagCopy != null ) { setSubEquipmentId ( ( ControlTagCacheObject ) statusTagCopy , subEquipment . getId ( ) , processId ) ; } else { throw new ConfigurationException ( ConfigurationException . INVALID_PARAMETER_VALUE , String . format ( "No Status tag (%s) found for Sub-Equipment %s (#%d)." , statusTagId , subEquipment . getName ( ) , subEquipment . getId ( ) ) ) ; } } else { throw new ConfigurationException ( ConfigurationException . INVALID_PARAMETER_VALUE , String . format ( "No Status tag for Sub-Equipment %s (#%d) defined." , subEquipment . getName ( ) , subEquipment . getId ( ) ) ) ; } }
target:  Ensures that the Alive-, Status- and CommFault Tags have appropriately the sub-equipment id set.