| /* |
| * 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.ranger.patch; |
| |
| import java.text.DecimalFormat; |
| |
| import org.apache.log4j.Logger; |
| import org.apache.ranger.authorization.hadoop.config.RangerAdminConfig; |
| import org.apache.ranger.common.DateUtil; |
| import org.apache.ranger.util.CLIUtil; |
| import org.springframework.transaction.annotation.Propagation; |
| import org.springframework.transaction.annotation.Transactional; |
| |
| /** |
| * |
| * |
| */ |
| public abstract class BaseLoader { |
| private static final Logger logger = Logger.getLogger(BaseLoader.class); |
| |
| long startTime = DateUtil.getUTCDate().getTime(); |
| long lastTime = startTime; |
| int countSoFar = 0; |
| int countFromLastTime = 0; |
| boolean moreToProcess = true; |
| boolean firstCall = true; |
| int batchSize = -1; |
| DecimalFormat twoDForm = new DecimalFormat("#.00"); |
| protected final RangerAdminConfig config; |
| |
| public BaseLoader() { |
| this.config = new RangerAdminConfig(); |
| } |
| |
| public void init(int batchSize) throws Exception { |
| this.batchSize = batchSize; |
| CLIUtil cliUtil = (CLIUtil) CLIUtil.getBean(CLIUtil.class); |
| cliUtil.authenticate(); |
| } |
| |
| public void init() throws Exception { |
| init(-1); |
| } |
| |
| abstract public void printStats(); |
| |
| public abstract void execLoad(); |
| |
| public void onExit() { |
| logger.info("onExit()"); |
| } |
| |
| /** |
| * @return the moreToProcess |
| */ |
| public boolean isMoreToProcess() { |
| return moreToProcess; |
| } |
| |
| /** |
| * @param moreToProcess |
| * the moreToProcess to set |
| */ |
| public void setMoreToProcess(boolean moreToProcess) { |
| this.moreToProcess = moreToProcess; |
| } |
| |
| @Transactional(readOnly = false, propagation = Propagation.REQUIRED) |
| public void load() { |
| if (firstCall) { |
| startTime = DateUtil.getUTCDate().getTime(); |
| startProgressMonitor(); |
| firstCall = false; |
| } |
| try { |
| execLoad(); |
| if (batchSize < 0) { |
| moreToProcess = false; |
| } |
| } catch (Throwable t) { |
| logger.error("Error while loading data.", t); |
| moreToProcess = false; |
| } |
| if (!moreToProcess) { |
| long endTime = DateUtil.getUTCDate().getTime(); |
| |
| logger.info("###############################################"); |
| printStats(); |
| logger.info("Loading completed!!!. Time taken=" |
| + formatTimeTaken(endTime - startTime) + " for " |
| + countSoFar); |
| logger.info("###############################################"); |
| synchronized (twoDForm) { |
| twoDForm.notifyAll(); |
| } |
| |
| } |
| } |
| |
| public void startProgressMonitor() { |
| Thread monitorThread = new Thread("Loader Monitor") { |
| @Override |
| public void run() { |
| while (isMoreToProcess()) { |
| printStats(); |
| try { |
| synchronized (twoDForm) { |
| if (!isMoreToProcess()) { |
| break; |
| } |
| twoDForm.wait(30 * 1000); |
| } |
| // Thread.sleep(60 * 1000); |
| } catch (InterruptedException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| logger.info("Monitor Thread exiting!!!"); |
| } |
| }; |
| monitorThread.setDaemon(true); |
| monitorThread.start(); |
| |
| } |
| |
| public String timeTakenSoFar(int lineCount) { |
| countSoFar = lineCount; |
| long currTime = DateUtil.getUTCDate().getTime(); |
| String retStr = formatTimeTaken(currTime - startTime); |
| if (currTime - startTime > 0 && countSoFar > 0) { |
| double rateSoFar = (double)(countSoFar * 1000) / (currTime - startTime); |
| retStr = retStr + " " + ". Rate so far for " + countSoFar + " is " |
| + twoDForm.format(rateSoFar); |
| |
| if (currTime - lastTime > 0 && lineCount - countFromLastTime > 0) { |
| double rateFromLastCall = (lineCount - countFromLastTime) |
| * 1000.0 / (currTime - lastTime); |
| retStr = retStr + ", Last " |
| + formatTimeTaken(currTime - lastTime) + " for " |
| + (lineCount - countFromLastTime) + " is " |
| + twoDForm.format(rateFromLastCall); |
| } |
| |
| } |
| |
| lastTime = currTime; |
| countFromLastTime = countSoFar; |
| return retStr; |
| } |
| |
| String formatTimeTaken(long totalTime) { |
| if (totalTime <= 0) { |
| return "0ms"; |
| } |
| long ms = totalTime % 1000; |
| String retValue = ms + "ms"; |
| |
| totalTime = totalTime / 1000; |
| if (totalTime > 0) { |
| long secs = totalTime % 60; |
| retValue = secs + "secs, " + retValue; |
| |
| totalTime = totalTime / 60; |
| if (totalTime > 0) { |
| long mins = totalTime % 60; |
| retValue = mins + "mins, " + retValue; |
| |
| totalTime = totalTime / 60; |
| if (totalTime > 0) { |
| long hrs = totalTime % 60; |
| retValue = hrs + "hrs, " + retValue; |
| } |
| } |
| } |
| |
| return retValue; |
| |
| } |
| |
| protected void print(int count, String message) { |
| if (count > 0) { |
| logger.info(message.trim() + " : " + count); |
| } |
| } |
| } |