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.avatica;
  
  import java.sql.SQLException;
  
  /**
   * Implementation of {@link Handler} that does nothing for each callback.
   * It is recommended implementations of {@code Handler} use this as a base
   * class, to ensure forward compatibility.
   */
  public class HandlerImpl implements Handler {
    public void onConnectionInit(AvaticaConnection connection)
        throws SQLException {
      // nothing
    }
  
    public void onConnectionClose(AvaticaConnection connection) {
      // nothing
    }
  
    public void onStatementExecute(
        AvaticaStatement statement,
        ResultSink resultSink) {
      // nothing
    }
  
    public void onStatementClose(AvaticaStatement statement) {
      // nothing
    }
  }
  
  // End HandlerImpl.java
  