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.MetaColumn;
  import org.apache.calcite.schema.Table;
  
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /** Default implementation of CalciteMetaColumnFactoryImpl. */
  public class CalciteMetaColumnFactoryImpl
      implements CalciteMetaColumnFactory {
  
    /** Singleton instance. */
    public static final CalciteMetaColumnFactoryImpl INSTANCE =
        new CalciteMetaColumnFactoryImpl();
  
    /** Internal constructor; protected to allow subclassing. */
    protected CalciteMetaColumnFactoryImpl() {}
  
    @Override public MetaColumn createColumn(
        Table table,
        String tableCat,
        String tableSchem,
        String tableName,
        String columnName,
        int dataType,
        String typeName,
        Integer columnSize,
        @Nullable Integer decimalDigits,
        int numPrecRadix,
        int nullable,
        Integer charOctetLength,
        int ordinalPosition,
        String isNullable) {
      return new MetaColumn(
          tableCat,
          tableSchem,
          tableName,
          columnName,
          dataType,
          typeName,
          columnSize,
          decimalDigits,
          numPrecRadix,
          nullable,
          charOctetLength,
          ordinalPosition,
          isNullable);
    }
  
    @Override public Class<? extends MetaColumn> getMetaColumnClass() {
      return MetaColumn.class;
    }
  }
  