content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to you 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.
   */
  package org.apache.calcite.jdbc;
  
  import org.apache.calcite.avatica.MetaImpl.MetaTable;
  import org.apache.calcite.schema.Table;
  
  import java.util.List;
  
  /** Factory for creating instances of {@link MetaTable}.
   *
   * @see java.sql.DatabaseMetaData#getTables */
  public interface CalciteMetaTableFactory {
    /** Instantiates a MetaTable. */
    MetaTable createTable(Table table, String tableCat, String tableSchem,
        String tableName);
  
    /** Returns the list of expected column names.
     *
     * <p>The default implementation returns the columns described in the JDBC
     * specification. */
    default List<String> getColumnNames() {
      return CalciteMetaImpl.TABLE_COLUMNS;
    }
  
    /** Returns the type of object created. Must be a subclass of MetaTable. */
    Class<? extends MetaTable> getMetaTableClass();
  }
  