| /** |
| * 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.server.applicationhistoryservice.metrics.timeline.aggregators; |
| |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.codehaus.jackson.annotate.JsonProperty; |
| import org.codehaus.jackson.annotate.JsonSubTypes; |
| import org.codehaus.jackson.map.ObjectMapper; |
| |
| import java.io.IOException; |
| |
| /** |
| * |
| */ |
| @JsonSubTypes({@JsonSubTypes.Type(value = MetricClusterAggregate.class), |
| @JsonSubTypes.Type(value = MetricHostAggregate.class)}) |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public class MetricAggregate { |
| private static final ObjectMapper mapper = new ObjectMapper(); |
| |
| protected Double sum = 0.0; |
| protected Double deviation; |
| protected Double max = Double.MIN_VALUE; |
| protected Double min = Double.MAX_VALUE; |
| |
| public MetricAggregate() { |
| } |
| |
| MetricAggregate(Double sum, Double deviation, Double max, |
| Double min) { |
| this.sum = sum; |
| this.deviation = deviation; |
| this.max = max; |
| this.min = min; |
| } |
| |
| public void updateSum(Double sum) { |
| this.sum += sum; |
| } |
| |
| public void updateMax(Double max) { |
| if (max > this.max) { |
| this.max = max; |
| } |
| } |
| |
| public void updateMin(Double min) { |
| if (min < this.min) { |
| this.min = min; |
| } |
| } |
| |
| @JsonProperty("sum") |
| public Double getSum() { |
| return sum; |
| } |
| |
| @JsonProperty("deviation") |
| public Double getDeviation() { |
| return deviation; |
| } |
| |
| @JsonProperty("max") |
| public Double getMax() { |
| return max; |
| } |
| |
| @JsonProperty("min") |
| public Double getMin() { |
| return min; |
| } |
| |
| public void setSum(Double sum) { |
| this.sum = sum; |
| } |
| |
| public void setDeviation(Double deviation) { |
| this.deviation = deviation; |
| } |
| |
| public void setMax(Double max) { |
| this.max = max; |
| } |
| |
| public void setMin(Double min) { |
| this.min = min; |
| } |
| |
| public String toJSON() throws IOException { |
| return mapper.writeValueAsString(this); |
| } |
| } |