/**
* 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.
*/
/*
* This source file is based on code taken from SQLLine 1.0.2
* See SQLLine notice in LICENSE
*/
package org.apache.hive.beeline;
import java.sql.SQLException;
import java.sql.Statement;
import sun.misc.Signal;
import sun.misc.SignalHandler;
public class SunSignalHandler implements BeeLineSignalHandler, SignalHandler {
private Statement stmt = null;
SunSignalHandler () {
// Interpret Ctrl+C as a request to cancel the currently
// executing query.
Signal.handle (new Signal ("INT"), this);
}
public void setStatement(Statement stmt) {
this.stmt = stmt;
}
public void handle (Signal signal) {
try {
if (stmt != null) {
stmt.cancel();
}
} catch (SQLException ex) {
// ignore
}
}
}