/**
* 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.metastore;
import java.util.AbstractMap;
import org.apache.hadoop.conf.Configurable;
import org.apache.hadoop.conf.Configuration;
/**
* This abstract class needs to be extended to provide implementation of actions that need
* to be performed when a function ends. These methods are called whenever a function ends.
*
* It also provides a way to add fb303 counters through the exportCounters method.
*/
public abstract class MetaStoreEndFunctionListener implements Configurable {
private Configuration conf;
public MetaStoreEndFunctionListener(Configuration config){
this.conf = config;
}
public abstract void onEndFunction(String functionName, MetaStoreEndFunctionContext context);
// Unless this is overridden, it does nothing
public void exportCounters(AbstractMap<String, Long> counters) {
}
@Override
public Configuration getConf() {
return this.conf;
}
@Override
public void setConf(Configuration config) {
this.conf = config;
}
}