docs: @Override
  	public CPDefinitionLink findByPrimaryKey(Serializable primaryKey)
  		throws NoSuchCPDefinitionLinkException {
  		CPDefinitionLink cpDefinitionLink = fetchByPrimaryKey(primaryKey);
  
  		if (cpDefinitionLink == null) {
  			if (_log.isDebugEnabled()) {
  				_log.debug(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
  			}
  
  			throw new NoSuchCPDefinitionLinkException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
  				primaryKey);
  		}
  
  		return cpDefinitionLink;
  	}