/* * Copyright © 2014-2016 Cask Data, 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 co.cask.cdap.metrics.collect; import co.cask.cdap.api.metrics.MetricValue; /** * A MetricsEmitter is a class that emits a {@link co.cask.cdap.api.metrics.MetricValue}. */ public interface MetricsEmitter { /** * Emits metric * @return A {@link co.cask.cdap.api.metrics.MetricValue} representing metrics for the given timestamp */ MetricValue emit(); }