| /* |
| * Copyright (C) 2012 Google 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 com.google.caliper.worker; |
| |
| import com.google.caliper.Param; |
| import com.google.caliper.bridge.WorkerSpec; |
| import com.google.caliper.runner.Running; |
| import com.google.caliper.util.InvalidCommandException; |
| import com.google.caliper.util.Util; |
| import com.google.common.base.Ticker; |
| import com.google.common.collect.ImmutableMap; |
| import dagger.MapKey; |
| import dagger.Module; |
| import dagger.Provides; |
| import dagger.Provides.Type; |
| |
| import java.util.Map; |
| import java.util.Random; |
| |
| import javax.inject.Provider; |
| |
| /** |
| * Binds classes necessary for the worker. Also manages the injection of {@link Param parameters} |
| * from the {@link WorkerSpec} into the benchmark. |
| * |
| * <p>TODO(gak): Ensure that each worker only has bindings for the objects it needs and not the |
| * objects required by different workers. (i.e. don't bind a Ticker if the worker is an allocation |
| * worker). |
| */ |
| @Module |
| final class WorkerModule { |
| private final Class<? extends Worker> workerClass; |
| private final ImmutableMap<String, String> workerOptions; |
| |
| private final Class<?> benchmarkClassObject; |
| |
| WorkerModule(WorkerSpec workerSpec) throws ClassNotFoundException { |
| this.workerClass = workerSpec.workerClass.asSubclass(Worker.class); |
| this.workerOptions = workerSpec.workerOptions; |
| |
| benchmarkClassObject = Util.loadClass(workerSpec.benchmarkSpec.className()); |
| } |
| |
| @Provides |
| @Running.BenchmarkClass |
| Class<?> provideBenchmarkClassObject() { |
| return benchmarkClassObject; |
| } |
| |
| @Provides |
| Worker provideWorker(Map<Class<? extends Worker>, Provider<Worker>> availableWorkers) { |
| Provider<Worker> workerProvider = availableWorkers.get(workerClass); |
| if (workerProvider == null) { |
| throw new InvalidCommandException("%s is not a supported worker (%s).", |
| workerClass, availableWorkers); |
| } |
| return workerProvider.get(); |
| } |
| |
| /** |
| * Specifies the {@link Class} object to use as a key in the map of available |
| * {@link Worker workers} passed to {@link #provideWorker(Map)}. |
| */ |
| @MapKey(unwrapValue = true) |
| public @interface WorkerClassKey { |
| Class<? extends Worker> value(); |
| } |
| |
| @Provides(type = Type.MAP) |
| @WorkerClassKey(ArbitraryMeasurementWorker.class) |
| static Worker provideArbitraryMeasurementWorker(ArbitraryMeasurementWorker impl) { |
| return impl; |
| } |
| |
| @Provides(type = Type.MAP) |
| @WorkerClassKey(MicrobenchmarkAllocationWorker.class) |
| static Worker provideMicrobenchmarkAllocationWorker(MicrobenchmarkAllocationWorker impl) { |
| return impl; |
| } |
| |
| @Provides(type = Type.MAP) |
| @WorkerClassKey(MacrobenchmarkWorker.class) |
| static Worker provideMacrobenchmarkWorker(MacrobenchmarkWorker impl) { |
| return impl; |
| } |
| |
| @Provides(type = Type.MAP) |
| @WorkerClassKey(MacrobenchmarkAllocationWorker.class) |
| static Worker provideMacrobenchmarkAllocationWorker(MacrobenchmarkAllocationWorker impl) { |
| return impl; |
| } |
| |
| @Provides(type = Type.MAP) |
| @WorkerClassKey(RuntimeWorker.Micro.class) |
| static Worker provideRuntimeWorkerMicro(RuntimeWorker.Micro impl) { |
| return impl; |
| } |
| |
| @Provides(type = Type.MAP) |
| @WorkerClassKey(RuntimeWorker.Pico.class) |
| static Worker provideRuntimeWorkerPico(RuntimeWorker.Pico impl) { |
| return impl; |
| } |
| |
| @Provides |
| static Ticker provideTicker() { |
| return Ticker.systemTicker(); |
| } |
| |
| @Provides |
| AllocationRecorder provideAllocationRecorder( |
| Provider<AllAllocationsRecorder> allAllocationsRecorderProvider, |
| Provider<AggregateAllocationsRecorder> aggregateAllocationsRecorderProvider) { |
| |
| return Boolean.valueOf(workerOptions.get("trackAllocations")) |
| ? allAllocationsRecorderProvider.get() |
| : aggregateAllocationsRecorderProvider.get(); |
| } |
| |
| @Provides |
| static Random provideRandom() { |
| return new Random(); |
| } |
| |
| @Provides |
| @WorkerOptions |
| Map<String, String> provideWorkerOptions() { |
| return workerOptions; |
| } |
| } |