| /* |
| * 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.beam.runners.gearpump; |
| |
| import com.typesafe.config.Config; |
| import com.typesafe.config.ConfigValueFactory; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.beam.runners.gearpump.translators.GearpumpPipelineTranslator; |
| import org.apache.beam.runners.gearpump.translators.TranslationContext; |
| |
| import org.apache.beam.sdk.Pipeline; |
| import org.apache.beam.sdk.PipelineRunner; |
| import org.apache.beam.sdk.options.PipelineOptions; |
| import org.apache.beam.sdk.options.PipelineOptionsValidator; |
| |
| import org.apache.gearpump.cluster.ClusterConfig; |
| import org.apache.gearpump.cluster.UserConfig; |
| import org.apache.gearpump.cluster.client.ClientContext; |
| import org.apache.gearpump.cluster.client.RunningApplication; |
| import org.apache.gearpump.cluster.embedded.EmbeddedCluster; |
| import org.apache.gearpump.streaming.dsl.javaapi.JavaStreamApp; |
| |
| /** |
| * A {@link PipelineRunner} that executes the operations in the |
| * pipeline by first translating them to Gearpump Stream DSL |
| * and then executing them on a Gearpump cluster. |
| */ |
| @SuppressWarnings({"rawtypes", "unchecked"}) |
| public class GearpumpRunner extends PipelineRunner<GearpumpPipelineResult> { |
| |
| private final GearpumpPipelineOptions options; |
| |
| private static final String GEARPUMP_SERIALIZERS = "gearpump.serializers"; |
| private static final String DEFAULT_APPNAME = "beam_gearpump_app"; |
| |
| public GearpumpRunner(GearpumpPipelineOptions options) { |
| this.options = options; |
| } |
| |
| public static GearpumpRunner fromOptions(PipelineOptions options) { |
| GearpumpPipelineOptions pipelineOptions = |
| PipelineOptionsValidator.validate(GearpumpPipelineOptions.class, options); |
| return new GearpumpRunner(pipelineOptions); |
| } |
| |
| @Override |
| public GearpumpPipelineResult run(Pipeline pipeline) { |
| String appName = options.getApplicationName(); |
| if (null == appName) { |
| appName = DEFAULT_APPNAME; |
| } |
| Config config = registerSerializers(ClusterConfig.defaultConfig(), |
| options.getSerializers()); |
| ClientContext clientContext = getClientContext(options, config); |
| options.setClientContext(clientContext); |
| UserConfig userConfig = UserConfig.empty(); |
| JavaStreamApp streamApp = new JavaStreamApp( |
| appName, clientContext, userConfig); |
| TranslationContext translationContext = new TranslationContext(streamApp, options); |
| GearpumpPipelineTranslator translator = new GearpumpPipelineTranslator(translationContext); |
| translator.translate(pipeline); |
| RunningApplication app = streamApp.submit(); |
| |
| return new GearpumpPipelineResult(clientContext, app); |
| } |
| |
| private ClientContext getClientContext(GearpumpPipelineOptions options, Config config) { |
| EmbeddedCluster cluster = options.getEmbeddedCluster(); |
| if (cluster != null) { |
| return cluster.newClientContext(); |
| } else { |
| return ClientContext.apply(config); |
| } |
| } |
| |
| /** |
| * register class with default kryo serializers. |
| */ |
| private Config registerSerializers(Config config, Map<String, String> userSerializers) { |
| Map<String, String> serializers = new HashMap<>(); |
| serializers.put("org.apache.beam.sdk.util.WindowedValue$ValueInGlobalWindow", ""); |
| serializers.put("org.apache.beam.sdk.util.WindowedValue$TimestampedValueInSingleWindow", ""); |
| serializers.put("org.apache.beam.sdk.util.WindowedValue$TimestampedValueInGlobalWindow", ""); |
| serializers.put("org.apache.beam.sdk.util.WindowedValue$TimestampedValueInMultipleWindows", ""); |
| serializers.put("org.apache.beam.sdk.transforms.windowing.PaneInfo", ""); |
| serializers.put("org.apache.beam.sdk.transforms.windowing.PaneInfo$Timing", ""); |
| serializers.put("org.joda.time.Instant", ""); |
| serializers.put("org.apache.beam.sdk.values.KV", ""); |
| serializers.put("org.apache.beam.sdk.transforms.windowing.IntervalWindow", ""); |
| serializers.put("org.apache.beam.sdk.values.TimestampedValue", ""); |
| serializers.put( |
| "org.apache.beam.runners.gearpump.translators.utils.TranslatorUtils$RawUnionValue", ""); |
| |
| if (userSerializers != null && !userSerializers.isEmpty()) { |
| serializers.putAll(userSerializers); |
| } |
| |
| return config.withValue(GEARPUMP_SERIALIZERS, ConfigValueFactory.fromMap(serializers)); |
| } |
| |
| } |