parquet.hadoop.util.counters.CounterLoader Maven / Gradle / Ivy
/**
* Copyright 2012 Twitter, Inc.
*
* Licensed 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 parquet.hadoop.util.counters;
/**
* Factory interface for CounterLoaders, will load the counter according to groupName, counterName,
* and if in the configuration, flag with name counterFlag is false, the counter will not be loaded
* @author Tianshuo Deng
*/
public interface CounterLoader {
public ICounter getCounterByNameAndFlag(String groupName, String counterName, String counterFlag);
}