code: @Override
  	public CommerceUserSegmentEntry findByG_K(long groupId, String key)
  		throws NoSuchUserSegmentEntryException {
  		CommerceUserSegmentEntry commerceUserSegmentEntry = fetchByG_K(groupId,
  				key);
  
  		if (commerceUserSegmentEntry == null) {
  			StringBundler msg = new StringBundler(6);
  
  			msg.append(_NO_SUCH_ENTITY_WITH_KEY);
  
  			msg.append("groupId=");
  			msg.append(groupId);
  
  			msg.append(", key=");
  			msg.append(key);
  
  			msg.append("}");
  
  			if (_log.isDebugEnabled()) {
  				_log.debug(msg.toString());
  			}
  
  			throw new NoSuchUserSegmentEntryException(msg.toString());
  		}
  
  		return commerceUserSegmentEntry;
  	}
docs: Returns the commerce user segment entry where groupId = &#63; and key = &#63; or throws a {@link NoSuchUserSegmentEntryException} if it could not be found.
  
  @param groupId the group ID
  @param key the key
  @return the matching commerce user segment entry
  @throws NoSuchUserSegmentEntryException if a matching commerce user segment entry could not be found