EDIT

import java.util.Iterator;

import eu.etaxonomy.cdm.api.service.config.DeleteConfiguratorBase;

import eu.etaxonomy.cdm.api.service.exception.ReferencedObjectUndeletableException;

		DeleteResult result = isDeletable(term, config);

		//CdmBase.deproxy(dao.merge(term), DefinedTermBase.class);

	@Override

    public DeleteResult isDeletable(DefinedTermBase term, DeleteConfiguratorBase config){

        DeleteResult result = new DeleteResult();

        Set<CdmBase> references = commonService.getReferencingObjectsForDeletion(term);

        if (references != null){

            result.addRelatedObjects(references);

            Iterator<CdmBase> iterator = references.iterator();

            CdmBase ref;

            while (iterator.hasNext()){

                ref = iterator.next();

                if (ref instanceof TermVocabulary){

                    result.getRelatedObjects().remove(ref);

                }else{

                    String message = "An object of " + ref.getClass().getName() + " with ID " + ref.getId() + " is referencing the object" ;

                    result.addException(new ReferencedObjectUndeletableException(message));

                    result.setAbort();

                }

            }

        }

        return result;

    }