Java tutorial
/* * Copyright 2011-2014 Proofpoint, 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.proofpoint.event.collector; import com.amazonaws.auth.AWSCredentials; import com.amazonaws.auth.BasicAWSCredentials; import com.amazonaws.services.s3.AmazonS3; import com.amazonaws.services.s3.AmazonS3Client; import com.amazonaws.services.s3.transfer.TransferManager; import com.google.common.base.Ticker; import com.google.common.util.concurrent.ThreadFactoryBuilder; import com.google.inject.Binder; import com.google.inject.Key; import com.google.inject.Module; import com.google.inject.Provides; import com.google.inject.Scopes; import com.proofpoint.event.client.EventClient; import com.proofpoint.event.collector.combiner.CombineCompleted; import com.proofpoint.event.collector.combiner.CombineObjectMetadataStore; import com.proofpoint.event.collector.combiner.S3CombineObjectMetadataStore; import com.proofpoint.event.collector.combiner.S3StorageSystem; import com.proofpoint.event.collector.combiner.ScheduledCombiner; import com.proofpoint.event.collector.combiner.StorageSystem; import com.proofpoint.event.collector.combiner.StoredObjectCombiner; import org.weakref.jmx.ObjectNameBuilder; import javax.inject.Named; import javax.inject.Singleton; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledExecutorService; import static com.google.inject.multibindings.Multibinder.newSetBinder; import static com.proofpoint.configuration.ConfigurationModule.bindConfig; import static com.proofpoint.discovery.client.DiscoveryBinder.discoveryBinder; import static com.proofpoint.event.client.EventBinder.eventBinder; import static com.proofpoint.reporting.ReportBinder.reportBinder; import static org.weakref.jmx.guice.ExportBinder.newExporter; import static java.util.concurrent.Executors.newScheduledThreadPool; import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; public class MainModule implements Module { public void configure(Binder binder) { binder.requireExplicitBindings(); binder.disableCircularProxies(); binder.bind(EventClient.class).to(LocalEventClient.class).in(Scopes.SINGLETON); binder.bind(EventPartitioner.class).in(Scopes.SINGLETON); binder.bind(Uploader.class).to(S3Uploader.class).in(Scopes.SINGLETON); binder.bind(StorageSystem.class).to(S3StorageSystem.class).in(Scopes.SINGLETON); binder.bind(SpoolingEventWriter.class).in(Scopes.SINGLETON); newExporter(binder).export(SpoolingEventWriter.class).withGeneratedName(); newSetBinder(binder, EventWriter.class).addBinding().to(Key.get(SpoolingEventWriter.class)) .in(Scopes.SINGLETON); binder.bind(EventResource.class).in(Scopes.SINGLETON); binder.bind(StoredObjectCombiner.class).in(Scopes.SINGLETON); newExporter(binder).export(StoredObjectCombiner.class).withGeneratedName(); binder.bind(ScheduledCombiner.class).in(Scopes.SINGLETON); binder.bind(StorageSystem.class).to(S3StorageSystem.class).in(Scopes.SINGLETON); binder.bind(CombineObjectMetadataStore.class).to(S3CombineObjectMetadataStore.class).in(Scopes.SINGLETON); bindConfig(binder).to(ServerConfig.class); eventBinder(binder).bindEventClient(CombineCompleted.class); binder.bind(EventWriterStatsResource.class).in(Scopes.SINGLETON); reportBinder(binder).bindReportCollection(EventCollectorStats.class) .as(new ObjectNameBuilder(EventCollectorStats.class.getPackage().getName()) .withProperty("type", "EventCollector").build()); reportBinder(binder).bindReportCollection(S3UploaderStats.class) .as(new ObjectNameBuilder(S3UploaderStats.class.getPackage().getName()) .withProperty("type", "S3Uploader").build()); discoveryBinder(binder).bindHttpAnnouncement("collector"); } @Provides @Singleton private AmazonS3 provideAmazonS3(AWSCredentials credentials) { return new AmazonS3Client(credentials); } @Provides @Singleton private TransferManager provideAmazonS3TransferManager(AWSCredentials credentials) { return new TransferManager(credentials); } @Provides @Singleton private AWSCredentials provideProviderCredentials(ServerConfig config) { return new BasicAWSCredentials(config.getAwsAccessKey(), config.getAwsSecretKey()); } @Provides @Singleton private ScheduledExecutorService createScheduledExecutor() { return Executors.newSingleThreadScheduledExecutor(); } @Provides @Singleton @UploaderExecutorService private ExecutorService createUploaderExecutor(ServerConfig config) { return Executors.newFixedThreadPool(config.getMaxUploadThreads(), new ThreadFactoryBuilder().setNameFormat("S3Uploader-%s").build()); } @Provides @Singleton @PendingFileExecutorService private ScheduledExecutorService createPendingFileExecutor() { return Executors.newSingleThreadScheduledExecutor(); } @Provides @Singleton @Named("ScheduledCombinerExecutor") private ScheduledExecutorService createScheduledCombinerExecutor(ServerConfig config) { return newScheduledThreadPool(config.getCombinerThreadCount(), new ThreadFactoryBuilder().setNameFormat("StoredObjectCombiner-%s").setDaemon(true).build()); } @Provides @Singleton @Named("ScheduledCombinerHighPriorityExecutor") private ScheduledExecutorService createScheduledCombinerHighPriorityExecutor(ServerConfig config) { int highPriorityTypeCount = config.getCombinerHighPriorityEventTypes().size(); ThreadFactoryBuilder threadFactoryBuilder = new ThreadFactoryBuilder().setDaemon(true); if (highPriorityTypeCount == 0) { return newSingleThreadScheduledExecutor(threadFactoryBuilder .setNameFormat("StoredObjectCombiner-High-Disabled-Should-Not-Be-Used").build()); } else { return newScheduledThreadPool(highPriorityTypeCount, threadFactoryBuilder.setNameFormat("StoredObjectCombiner-High-%s").build()); } } @Provides @Singleton @Named("ScheduledCombinerLowPriorityExecutor") private ScheduledExecutorService createScheduledCombinerLowPriorityExecutor(ServerConfig config) { ThreadFactoryBuilder threadFactoryBuilder = new ThreadFactoryBuilder().setDaemon(true); if (config.getCombinerLowPriorityEventTypes().size() <= 0) { threadFactoryBuilder.setNameFormat("StoredObjectCombiner-Low-Disabled-Should-Not-Be-Used"); } else { threadFactoryBuilder.setNameFormat("StoredObjectCombiner-Low-%s"); } return newSingleThreadScheduledExecutor(threadFactoryBuilder.build()); } @Provides @Singleton private Ticker providesTicker() { return Ticker.systemTicker(); } }