Java tutorial
/**************************************************************** * 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.james.metrics.logger; import java.util.concurrent.TimeUnit; import org.apache.james.metrics.api.TimeMetric; import com.google.common.base.Stopwatch; public class DefaultTimeMetric implements TimeMetric { private final String name; private final Stopwatch stopwatch; public DefaultTimeMetric(String name) { this.name = name; this.stopwatch = Stopwatch.createStarted(); } @Override public String name() { return name; } @Override public long stopAndPublish() { long elapsed = stopwatch.elapsed(TimeUnit.MILLISECONDS); DefaultMetricFactory.LOGGER.info("Time spent in " + name + ": " + elapsed + " ms."); return elapsed; } }