Java tutorial
/* * Copyright 2014 Cask Data, Inc. * * 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. */ package co.cask.tigon.metrics; import com.google.common.util.concurrent.AbstractIdleService; /** * No-op, to be used in unit-tests */ public class NoOpMetricsCollectionService extends AbstractIdleService implements MetricsCollectionService { @Override protected void startUp() throws Exception { // no-op } @Override protected void shutDown() throws Exception { // no-op } @Override public MetricsCollector getCollector(MetricsScope scope, String context, String runId) { return new MetricsCollector() { @Override public void gauge(String metricName, int value, String... tags) { // no-op } }; } }