org.apache.calcite.avatica.HandlerImpl Maven / Gradle / Ivy
/*
* 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