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/*
* 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.yarn.api.records.timelineservice;
import java.util.Map;
/**
* Aggregation operations.
*/
public enum TimelineMetricOperation {
NOP("NOP") {
/**
* Do nothing on the base metric.
*
* @param incoming Metric a
* @param base Metric b
* @param state Operation state (not used)
* @return Metric b
*/
@Override
public TimelineMetric exec(TimelineMetric incoming,
TimelineMetric base, Map