001/* 002 * Licensed to DuraSpace under one or more contributor license agreements. 003 * See the NOTICE file distributed with this work for additional information 004 * regarding copyright ownership. 005 * 006 * DuraSpace licenses this file to you under the Apache License, 007 * Version 2.0 (the "License"); you may not use this file except in 008 * compliance with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.fcrepo.common.metrics; 019 020import io.micrometer.core.instrument.Timer; 021import org.fcrepo.common.lang.UncheckedCallable; 022 023/** 024 * Helper for recording metrics 025 * 026 * @author pwinckles 027 */ 028public final class MetricsHelper { 029 030 private MetricsHelper() { 031 // static class 032 } 033 034 /** 035 * Records a timing metric around the code in the closure. 036 * 037 * @param timer the timer to record to 038 * @param callable the closure to time 039 * @param <T> the return type 040 * @return the result of the closure 041 */ 042 public static <T> T time(final Timer timer, final UncheckedCallable<T> callable) { 043 final var stopwatch = Timer.start(); 044 try { 045 return callable.call(); 046 } finally { 047 stopwatch.stop(timer); 048 } 049 } 050 051}