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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.{TypedDataSource, 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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| trait Scoring extends java.io.Serializable { | ||
| protected val LOG: Logger = LogUtil.getLogger(getClass) | ||
| val tar: String = "" | ||
| val archiveName: String = null | ||
| val modelName: String = null | ||
| val ModelBytesFileName: String = null | ||
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| def load: Unit = { | ||
| //TODO | ||
| // This will replaced by ATK utility object that loads a tar from HDFS and returns a Model. | ||
| LOG.info(s"KMeansDataProcessor load") | ||
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| /* | ||
| Try({ | ||
| 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) | ||
| val tmpPath = "/tmp/" | ||
| val myTarFile: TarArchiveInputStream = new TarArchiveInputStream(new FileInputStream(new File(tempFilePath))) | ||
| var entry: TarArchiveEntry = null | ||
| entry = myTarFile.getNextTarEntry | ||
| while (entry != null) { | ||
| // Get the name of the file | ||
| val individualFile: String = entry.getName | ||
| // Get Size of the file and create a byte array for the size | ||
| val content: Array[Byte] = new Array[Byte](entry.getSize.toInt) | ||
| myTarFile.read(content, 0, content.length) | ||
| val outputFile = new FileOutputStream(new File(tmpPath + individualFile)) | ||
| IOUtils.write(content, outputFile) | ||
| outputFile.close() | ||
| if (individualFile.contains(".jar")) { | ||
| archiveName = individualFile.substring(0, individualFile.indexOf(".jar")) | ||
| } | ||
| else if (individualFile.contains("modelname")) { | ||
| val s = new String(content) | ||
| modelName = s.replaceAll("\n", "") | ||
| } | ||
| else { | ||
| ModelBytesFileName = tmpPath + individualFile | ||
| } | ||
| entry = myTarFile.getNextTarEntry | ||
| } | ||
| myTarFile.close() | ||
| }) match { | ||
| case Success(a) => | ||
| case Failure(throwable) => | ||
| LOG.error(s"Error: $throwable") | ||
| } | ||
| */ | ||
|
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|
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| } | ||
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| def score(vector: Array[String]): Unit | ||
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| } | ||
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| class KMeans(override val tar: String) extends Scoring { | ||
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| def score(vector: Array[String]): Unit = { | ||
| LOG.info("KMeansDataProcessor next") | ||
| } | ||
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| } | ||
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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( | ||
| "tar"-> CLIOption[String]("<tar file location in hdfs>", required = false, defaultValue = Some("/user/gearpump/atk/kmeans.tar")) | ||
| ) | ||
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| def application(config: ParseResult, system: ActorSystem): StreamApplication = { | ||
| val TAR = "trustedanalytics.scoring-engine.archive-tar" | ||
| import ATKTask._ | ||
| import SourceTask._ | ||
| implicit val actorSystem = system | ||
| val tar = config.getString("tar") | ||
| val appConfig = UserConfig.empty.withString(TAR, tar) | ||
| val source = new CollectionDataSource[String](Seq("one","two","three")) | ||
| val sourceProcessor = Processor[HandlerTask,DataSource](source, 1, "Source", UserConfig.empty) | ||
| val kmeans = new KMeans(tar) | ||
| val kmeansProcessor = Processor[HandlerTask,Scoring](kmeans, 1, "ATK", appConfig) | ||
| val app = StreamApplication("ATKPipeline", Graph( | ||
| sourceProcessor ~> kmeansProcessor | ||
| ), appConfig) | ||
| 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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