| /* |
| * 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.samza.metrics; |
| |
| /** |
| * A base class for metrics. The name of the class that extends the |
| * base class will be used as the metric group name |
| */ |
| public abstract class MetricsBase { |
| protected final MetricGroup group; |
| |
| public MetricsBase(String prefix, MetricsRegistry registry) { |
| String groupName = this.getClass().getName(); |
| group = new MetricGroup(groupName, prefix, registry); |
| } |
| |
| public MetricsBase(MetricsRegistry registry) { |
| this("", registry); |
| } |
| |
| public Counter newCounter(String name) { |
| return group.newCounter(name); |
| } |
| |
| public <T> Gauge<T> newGauge(String name, T value) { |
| return group.newGauge(name, value); |
| } |
| |
| public <T> Gauge<T> newGauge(String name, final MetricGroup.ValueFunction<T> valueFunc) { |
| return group.newGauge(name, valueFunc); |
| } |
| |
| public Timer newTimer(String name) { |
| return group.newTimer(name); |
| } |
| } |