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.beam.sdk.extensions.sql.impl;
  
  import java.sql.ResultSetMetaData;
  import java.sql.SQLException;
  import java.util.Properties;
  import java.util.TimeZone;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.adapter.java.JavaTypeFactory;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.AvaticaConnection;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.AvaticaFactory;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.AvaticaPreparedStatement;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.AvaticaResultSet;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.AvaticaSpecificDatabaseMetaData;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.AvaticaStatement;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.Meta;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.QueryState;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.avatica.UnregisteredDriver;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.jdbc.CalciteFactory;
  import org.apache.beam.vendor.calcite.v1_40_0.org.apache.calcite.jdbc.CalciteSchema;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /**
   * Wrapper for {@link CalciteFactory}.
   *
   * <p>This is a non-functional class to delegate to the underlying {@link CalciteFactory}. The
   * purpose is to hide the delegation logic from the implementation ({@link JdbcFactory}).
   */
  public abstract class CalciteFactoryWrapper extends CalciteFactory {
  
    protected CalciteFactory factory;
  
    CalciteFactoryWrapper(CalciteFactory factory) {
      super(4, 1);
      this.factory = factory;
    }
  
    @Override
    public AvaticaConnection newConnection(
        UnregisteredDriver driver,
        AvaticaFactory avaticaFactory,
        String url,
        Properties info,
        @Nullable CalciteSchema rootSchema,
        @Nullable JavaTypeFactory typeFactory) {
  
      return this.factory.newConnection(driver, avaticaFactory, url, info, rootSchema, typeFactory);
    }
  
    @Override
    public AvaticaStatement newStatement(
        AvaticaConnection connection,
        Meta.StatementHandle h,
        int resultSetType,
        int resultSetConcurrency,
        int resultSetHoldability)
        throws SQLException {
      return this.factory.newStatement(
          connection, h, resultSetType, resultSetConcurrency, resultSetHoldability);
    }
  
    @Override
    public AvaticaPreparedStatement newPreparedStatement(
        AvaticaConnection connection,
        Meta.StatementHandle h,
        Meta.Signature signature,
        int resultSetType,
        int resultSetConcurrency,
        int resultSetHoldability)
        throws SQLException {
      return this.factory.newPreparedStatement(
          connection, h, signature, resultSetType, resultSetConcurrency, resultSetHoldability);
    }
  
    @Override
    public AvaticaResultSet newResultSet(
        AvaticaStatement statement,
        QueryState state,
        Meta.Signature signature,
        TimeZone timeZone,
        Meta.Frame firstFrame)
        throws SQLException {
      return this.factory.newResultSet(statement, state, signature, timeZone, firstFrame);
    }
  
    @Override
    public AvaticaSpecificDatabaseMetaData newDatabaseMetaData(AvaticaConnection connection) {
      return this.factory.newDatabaseMetaData(connection);
    }
  
    @Override
    public ResultSetMetaData newResultSetMetaData(
        AvaticaStatement statement, Meta.Signature signature) throws SQLException {
      return this.factory.newResultSetMetaData(statement, signature);
    }
  }
  