| /* |
| * 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.wayang.core.monitor; |
| |
| |
| import java.io.IOException; |
| import java.io.OutputStreamWriter; |
| import java.io.UncheckedIOException; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.wayang.core.api.Configuration; |
| import org.apache.wayang.core.util.fs.FileSystem; |
| import org.apache.wayang.core.util.fs.FileSystems; |
| import org.apache.wayang.core.util.json.JSONObject; |
| |
| public class FileMonitor extends Monitor { |
| |
| @Override |
| public void initialize(Configuration config, String runId, List<Map> initialExecutionPlan) throws IOException { |
| this.initialExecutionPlan = initialExecutionPlan; |
| this.runId = runId; |
| String runsDir = config.getStringProperty(DEFAULT_MONITOR_BASE_URL_PROPERTY_KEY, DEFAULT_MONITOR_BASE_URL); |
| final String path = runsDir + "/" + runId; |
| this.exPlanUrl = path + "/execplan.json"; |
| this.progressUrl = path + "/progress.json"; |
| |
| final FileSystem execplanFile = FileSystems.getFileSystem(exPlanUrl).get(); |
| try (final OutputStreamWriter writer = new OutputStreamWriter(execplanFile.create(exPlanUrl, true))) { |
| HashMap<String, Object> jsonPlanMap = new HashMap<>(); |
| jsonPlanMap.put("stages", initialExecutionPlan); |
| jsonPlanMap.put("run_id", runId); |
| JSONObject jsonPlan = new JSONObject(jsonPlanMap); |
| |
| writer.write(jsonPlan.toString()); |
| } catch (UncheckedIOException e) { |
| throw e.getCause(); |
| } |
| |
| HashMap<String, Integer> initialProgress = new HashMap<>(); |
| for (Map stage: initialExecutionPlan) { |
| for (Map operator: (List<Map>)stage.get("operators")) { |
| initialProgress.put((String)operator.get("name"), 0); |
| } |
| } |
| updateProgress(initialProgress); |
| |
| } |
| |
| @Override |
| public void updateProgress(HashMap<String, Integer> partialProgress) throws IOException { |
| HashMap<String, Object> progressBar = new HashMap<>(); |
| Integer overall = 0; |
| for (String operatorName : partialProgress.keySet()) { |
| this.progress.put(operatorName, partialProgress.get(operatorName)); |
| } |
| |
| for (String operatorName: this.progress.keySet()) { |
| overall = overall + this.progress.get(operatorName); |
| } |
| |
| if (this.progress.size()>0) |
| overall = overall/this.progress.size(); |
| |
| final FileSystem progressFile = FileSystems.getFileSystem(progressUrl).get(); |
| try (final OutputStreamWriter writer = new OutputStreamWriter(progressFile.create(progressUrl, true))) { |
| progressBar.put("overall", overall); |
| progressBar.put("details", progress); |
| |
| JSONObject jsonProgress = new JSONObject(progressBar); |
| writer.write(jsonProgress.toString()); |
| } catch (UncheckedIOException e) { |
| throw e.getCause(); |
| } |
| } |
| } |