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 com.google.common.collect.ImmutableList;
  
  /**
   * Database identifier used for possibly qualified table names and aliases
   * <p>
   * Schema name can be empty
   *
   * @author Roman Kontchakov
   *
   */
  
  public interface RelationID {
  
  	RelationID getTableOnlyID();
  
  	int TABLE_INDEX = 0;
  
  	/**
  	 *
  	 * @return the components of the relation id
  	 *         table name is the component with index 0
  	 *         schema name is the component with index 1
  	 *         catalog name is the component with index 2
  	 */
  	ImmutableList<QuotedID> getComponents();
  
  	/**
  	 *
  	 * @return SQL rendering of the name (possibly with quotation marks)
  	 */
  	String getSQLRendering();
  }
  