code: public FeatureTileLink getLink(String featureTable, String tileTable) {
  		FeatureTileLink link = null;
  
  		if (featureTileLinksActive()) {
  			FeatureTileLinkKey id = new FeatureTileLinkKey(featureTable,
  					tileTable);
  			try {
  				link = featureTileLinkDao.queryForId(id);
  			} catch (SQLException e) {
  				throw new GeoPackageException(
  						"Failed to get feature tile link for GeoPackage: "
  								+ geoPackage.getName() + ", Feature Table: "
  								+ featureTable + ", Tile Table: " + tileTable,
  						e);
  			}
  		}
  
  		return link;
  	}
docs: Get the feature and tile table link if it exists
  
  @param featureTable
  feature table
  @param tileTable
  tile table
  @return link or null