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34 changes: 34 additions & 0 deletions
34
atk-pipeline/src/main/scala/io/gearpump/examples/atk_pipeline/ATKTask.scala
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| package io.gearpump.examples.atk_pipeline | ||
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| import io.gearpump.Message | ||
| import io.gearpump.cluster.UserConfig | ||
| import io.gearpump.streaming.dsl.plan.OpTranslator.HandlerTask | ||
| import io.gearpump.streaming.task.{StartTime, TaskContext} | ||
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| class ATKTask(taskContext: TaskContext, userConf: UserConfig) extends HandlerTask[Scoring](taskContext, userConf) { | ||
| val TAR = "trustedanalytics.scoring-engine.archive-tar" | ||
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| override def onStart(startTime : StartTime) : Unit = { | ||
| LOG.info("onStart") | ||
| val tar = userConf.getString(TAR).get | ||
| handler.load(tar) | ||
| } | ||
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| override def onNext(msg : Message) : Unit = { | ||
| LOG.info("onNext") | ||
| val seq = msg.msg.asInstanceOf[Seq[Array[String]]] | ||
| val score = handler.score(seq) | ||
| score.foreach(result => { | ||
| result.onComplete(seq => { | ||
| seq.map(seq => { | ||
| taskContext.output(new Message(seq)) | ||
| }) | ||
| }) | ||
| }) | ||
| } | ||
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| } | ||
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| object ATKTask { | ||
| implicit val atkTask = classOf[ATKTask] | ||
| } |
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atk-pipeline/src/main/scala/io/gearpump/examples/atk_pipeline/KMeans.scala
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| package io.gearpump.examples.atk_pipeline | ||
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| import scala.concurrent.Future | ||
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| class KMeans extends Scoring { | ||
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| override def score(vector: Seq[Array[String]]): Option[Future[Seq[Any]]] = { | ||
| model.map(model => { | ||
| model.score(vector) | ||
| }) | ||
| } | ||
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| } |
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atk-pipeline/src/main/scala/io/gearpump/examples/atk_pipeline/PipeLine.scala
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| /* | ||
| * 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. | ||
| */ | ||
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| package io.gearpump.examples.atk_pipeline | ||
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| import akka.actor.ActorSystem | ||
| import io.gearpump.cluster.UserConfig | ||
| import io.gearpump.cluster.client.ClientContext | ||
| import io.gearpump.cluster.main.{ArgumentsParser, CLIOption, ParseResult} | ||
| import io.gearpump.streaming.dsl.CollectionDataSource | ||
| import io.gearpump.streaming.dsl.plan.OpTranslator.{HandlerTask, SourceTask} | ||
| import io.gearpump.streaming.source.DataSource | ||
| import io.gearpump.streaming.{Processor, StreamApplication} | ||
| import io.gearpump.util.Graph._ | ||
| import io.gearpump.util.{AkkaApp, Graph, LogUtil} | ||
| import org.slf4j.Logger | ||
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| object PipeLine extends AkkaApp with ArgumentsParser { | ||
| private val LOG: Logger = LogUtil.getLogger(getClass) | ||
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| override val options: Array[(String, CLIOption[Any])] = Array( | ||
| "models"-> CLIOption[String]("<models found in hdfs>", required = false, defaultValue = Some("/user/gearpump/atk/kmeans.tar")), | ||
| "randomforest"-> CLIOption[String]("<tar file location in hdfs>", required = false, defaultValue = Some("/user/gearpump/atk/randomforest.tar")) | ||
| ) | ||
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| def application(config: ParseResult, system: ActorSystem): StreamApplication = { | ||
| import ATKTask._ | ||
| import SourceTask._ | ||
| implicit val actorSystem = system | ||
| val TAR = "trustedanalytics.scoring-engine.archive-tar" | ||
| val appConfig = UserConfig.empty.withString(TAR, config.getString("tar")) | ||
| val sourceProcessor = Processor[HandlerTask,DataSource](new CollectionDataSource[String](Seq("one","two","three")), 1, "Source", UserConfig.empty) | ||
| val kmeansProcessor = Processor[HandlerTask,Scoring](new KMeans, 1, "ATK", appConfig) | ||
| val app = StreamApplication("ATKPipeline", Graph( | ||
| sourceProcessor ~> kmeansProcessor | ||
| ), UserConfig.empty) | ||
| app | ||
| } | ||
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| override def main(akkaConf: Config, args: Array[String]): Unit = { | ||
| val config = parse(args) | ||
| val context = ClientContext(akkaConf) | ||
| val appId = context.submit(application(config, context.system)) | ||
| context.close() | ||
| } | ||
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| } | ||
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atk-pipeline/src/main/scala/io/gearpump/examples/atk_pipeline/Scoring.scala
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| package io.gearpump.examples.atk_pipeline | ||
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| import java.io.File | ||
| import java.net.URI | ||
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| import org.apache.hadoop.conf.Configuration | ||
| import org.apache.hadoop.fs.Path | ||
| import org.trustedanalytics.atk.model.publish.format.ModelPublishFormat | ||
| import org.trustedanalytics.atk.scoring.interfaces.Model | ||
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| import scala.concurrent.Future | ||
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| trait Scoring extends java.io.Serializable { | ||
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| var model: Option[Model] = None | ||
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| def load(tar: String): Unit = { | ||
| val pt = new Path(tar) | ||
| val uri = new URI(tar) | ||
| val hdfsFileSystem: org.apache.hadoop.fs.FileSystem = org.apache.hadoop.fs.FileSystem.get(uri, new Configuration()) | ||
| val tempFilePath = "/tmp/kmeans.tar" | ||
| val local = new Path(tempFilePath) | ||
| hdfsFileSystem.copyToLocalFile(false, pt, local) | ||
| model = Option(ModelPublishFormat.read(new File(tempFilePath), Thread.currentThread().getContextClassLoader)) | ||
| } | ||
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| def score(vector: Seq[Array[String]]): Option[Future[Seq[Any]]] | ||
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| } |
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