/** * Copyright (c) 2010 Yahoo! Inc. All rights reserved. * * 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. See accompanying * LICENSE file. */ package com.yahoo.ycsb.measurements.exporter; import java.io.Closeable; import java.io.IOException; /** * Used to export the collected measurements into a useful format, for example * human readable text or machine readable JSON. */ public interface MeasurementsExporter extends Closeable { /** * Write a measurement to the exported format. * * @param metric Metric name, for example "READ LATENCY". * @param measurement Measurement name, for example "Average latency". * @param i Measurement to write. * @throws IOException if writing failed */ public void write(String metric, String measurement, int i) throws IOException; /** * Write a measurement to the exported format. * * @param metric Metric name, for example "READ LATENCY". * @param measurement Measurement name, for example "Average latency". * @param d Measurement to write. * @throws IOException if writing failed */ public void write(String metric, String measurement, double d) throws IOException; }