/**
* 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.loadsimulator.net;
/**
* MetricSender should provides a simple way of pushing metrics to some service.
*/
public interface MetricsSender {
/**
* Push metrics to the metric service (e.g. a metrics storage system).
*
* @param payload the payload to be sent to metrics service
* @return response message either acknowledgement or error
*/
String pushMetrics(String payload);
}