| /* |
| * 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.util; |
| |
| import org.apache.samza.metrics.Counter; |
| import org.apache.samza.metrics.Gauge; |
| import org.apache.samza.metrics.MetricsRegistry; |
| import org.apache.samza.metrics.Timer; |
| |
| |
| /** |
| * {@link org.apache.samza.metrics.MetricsRegistry} implementation for when no actual metrics need to be |
| * recorded but a registry is still required. |
| */ |
| public class NoOpMetricsRegistry implements MetricsRegistry { |
| @Override |
| public Counter newCounter(String group, String name) { |
| return new Counter(name); |
| } |
| |
| @Override |
| public Counter newCounter(String group, Counter counter) { |
| return counter; |
| } |
| |
| @Override |
| public <T> Gauge<T> newGauge(String group, String name, T value) { |
| return new Gauge<T>(name, value); |
| } |
| |
| @Override |
| public <T> Gauge<T> newGauge(String group, Gauge<T> gauge) { |
| return gauge; |
| } |
| |
| @Override |
| public Timer newTimer(String group, String name) { |
| return new Timer(name); |
| } |
| |
| @Override |
| public Timer newTimer(String group, Timer timer) { |
| return timer; |
| } |
| } |