code: package it.unibz.inf.ontop.injection.impl;
  
  import it.unibz.inf.ontop.injection.OntopOBDASettings;
  
  import java.util.Properties;
  
  
  public class OntopOBDASettingsImpl extends OntopModelSettingsImpl implements OntopOBDASettings {
  
      private static final String DEFAULT_FILE = "obda-default.properties";
      private final boolean isSameAs;
  
      protected OntopOBDASettingsImpl(Properties userProperties) {
          super(loadProperties(userProperties));
          isSameAs = getRequiredBoolean(SAME_AS);
      }
  
      private static Properties loadProperties(Properties userProperties) {
          Properties properties = loadDefaultOBDAProperties();
          properties.putAll(userProperties);
          return properties;
      }
  
      static Properties loadDefaultOBDAProperties() {
          return loadDefaultPropertiesFromFile(OntopOBDASettings.class, DEFAULT_FILE);
      }
  
      @Override
      public boolean isSameAsInMappingsEnabled() {
          return isSameAs;
      }
  
      @Override
      public boolean allowRetrievingBlackBoxViewMetadataFromDB() {
          return getRequiredBoolean(ALLOW_RETRIEVING_BLACK_BOX_VIEW_METADATA_FROM_DB);
      }
  }
  