| /* |
| * 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.fluo.api.metrics; |
| |
| /** |
| * Reports application metrics using Fluo metrics reporters configured by 'fluo.metrics.reporter.*' |
| * properties. Several types of metrics are supported which are described by Dropwizard docs |
| * (http://metrics.dropwizard.io/3.1.0/getting-started/). Metrics should be identified by a unique |
| * names to avoid conflicts. Periods "." should not be used in metric names. |
| * |
| * @since 1.0.0 |
| */ |
| public interface MetricsReporter { |
| |
| /** |
| * @return Metrics {@link Counter} identified by metricName |
| */ |
| Counter counter(String metricName); |
| |
| /** |
| * @return Metrics {@link Histogram} identified by metricName |
| */ |
| Histogram histogram(String metricName); |
| |
| /** |
| * @return Metrics {@link Meter} identified by metricName |
| */ |
| Meter meter(String metricName); |
| |
| /** |
| * @return Metrics {@link Timer} identified by metricName |
| */ |
| Timer timer(String metricName); |
| |
| } |