code: package it.unibz.inf.ontop.dbschema;
  
  /*
   * #%L
   * ontop-obdalib-core
   * %%
   * Copyright (C) 2009 - 2014 Free University of Bozen-Bolzano
   * %%
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   * #L%
   */
  
  import it.unibz.inf.ontop.model.type.DBTermType;
  
  /**
   * Represents an attribute (column) of a database relation (table or view) or a parser view
   *
   * @author Roman Kontchakov
   *
   */
  
  public interface Attribute {
  
      RelationDefinition getRelation();
  
      QuotedID getID();
  
      /**
       * @return the index (starting from 1)
       */
      int getIndex();
  
      boolean isNullable();
  
      DBTermType getTermType();
  
  }
  