/**
* 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.hadoop.hive.ql.history;
/**
* Proxy handler for HiveHistory to do nothing
* Used when HiveHistory is disabled.
*/
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
public class HiveHistoryProxyHandler implements InvocationHandler {
public static HiveHistory getNoOpHiveHistoryProxy() {
return (HiveHistory)Proxy.newProxyInstance(HiveHistory.class.getClassLoader(),
new Class<?>[] {HiveHistory.class},
new HiveHistoryProxyHandler());
}
@Override
public Object invoke(Object arg0, final Method method, final Object[] args){
//do nothing
return null;
}
}