1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package vogar.target; 17 18 import com.google.caliper.runner.BenchmarkClassChecker; 19 import com.google.caliper.util.InvalidCommandException; 20 import java.util.List; 21 import java.util.concurrent.atomic.AtomicReference; 22 import javax.annotation.Nullable; 23 import vogar.monitor.TargetMonitor; 24 25 /** 26 * Supports treating a class as a Caliper benchmark. 27 */ 28 public class CaliperRunnerFactory implements RunnerFactory { 29 30 @Nullable 31 private final BenchmarkClassChecker benchmarkClassChecker; 32 33 public CaliperRunnerFactory(List<String> argsList) { 34 BenchmarkClassChecker benchmarkClassChecker; 35 try { 36 // Command line arguments can affect the set of available instruments so pass that 37 // information on to the checker. Unfortunately, at this point we do not know whether 38 // the arguments are actually valid for Caliper, if they are not then this will fail. 39 // If that happens then we simply have to assume that the classes being tested are not 40 // Caliper benchmarks. 41 benchmarkClassChecker = BenchmarkClassChecker.create(argsList); 42 } catch (InvalidCommandException e) { 43 // The arguments are invalid for Caliper. 44 System.out.println("Warning: Arguments are invalid for Caliper: " + e.getMessage()); 45 benchmarkClassChecker = null; 46 } 47 48 this.benchmarkClassChecker = benchmarkClassChecker; 49 } 50 51 @Override @Nullable 52 public Runner newRunner(TargetMonitor monitor, String qualification, 53 Class<?> klass, AtomicReference<String> skipPastReference, 54 TestEnvironment testEnvironment, int timeoutSeconds, boolean profile, 55 String[] args) { 56 if (benchmarkClassChecker != null && benchmarkClassChecker.isBenchmark(klass)) { 57 return new CaliperRunner(monitor, profile, klass, args); 58 } else { 59 return null; 60 } 61 } 62 } 63