| // 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. |
| |
| using Org.Apache.REEF.Tang.Annotations; |
| using Org.Apache.REEF.Utilities.Attributes; |
| |
| namespace Org.Apache.REEF.Common.Telemetry |
| { |
| [Unstable("0.16", "This is to build a simple metrics with counters only. More metrics will be added in future.")] |
| internal sealed class EvaluatorMetrics : IEvaluatorMetrics |
| { |
| private readonly Counters _counters; |
| |
| [Inject] |
| private EvaluatorMetrics(Counters counters) |
| { |
| _counters = counters; |
| } |
| |
| /// <summary> |
| /// Create an EvaluatorMetrics from a serialized metrics string. |
| /// </summary> |
| /// <param name="serializedMsg"></param> |
| internal EvaluatorMetrics(string serializedMsg) |
| { |
| _counters = new Counters(serializedMsg); |
| } |
| |
| /// <summary> |
| /// Returns counters |
| /// </summary> |
| /// <returns>Returns counters.</returns> |
| public ICounters GetMetricsCounters() |
| { |
| return _counters; |
| } |
| |
| /// <summary> |
| /// return serialized string of metrics counters data |
| /// </summary> |
| /// <returns>Returns serialized string of counters.</returns> |
| public string Serialize() |
| { |
| if (_counters != null) |
| { |
| return _counters.Serialize(); |
| } |
| return null; |
| } |
| } |
| } |