// Path: src/main/java/io/izenecloud/larser/feature/online/OnlineFeatureDriver.java
// public class OnlineFeatureDriver {
// 	private static final Logger LOG = LoggerFactory
// 			.getLogger(OnlineFeatureDriver.class);
// 
// 	public static long run(String collection, Path input, Path output,
// 			Configuration baseConf) throws IOException, ClassNotFoundException,
// 			InterruptedException {
// 		Configuration conf = new Configuration(baseConf);
// 		Job job = Job.getInstance(conf);
// 
// 		job.setJarByClass(OnlineFeatureDriver.class);
// 		job.setJobName("GROUP each record's feature BY identifier");
// 
// 		FileInputFormat.setInputPaths(job, input);
// 		FileOutputFormat.setOutputPath(job, output);
// 
// 		job.setInputFormatClass(SequenceFileInputFormat.class);
// 		job.setOutputFormatClass(SequenceFileOutputFormat.class);
// 
// 		job.setMapOutputKeyClass(Text.class);
// 		job.setMapOutputValueClass(OnlineVectorWritable.class);
// 		job.setOutputKeyClass(Text.class);
// 		job.setOutputValueClass(ListWritable.class);
// 
// 		job.setMapperClass(OnlineFeatureMapper.class);
// 		job.setReducerClass(OnlineFeatureReducer.class);
// 
// 		HadoopUtil.delete(conf, output);
// 		boolean succeeded = job.waitForCompletion(true);
// 		if (!succeeded) {
// 			throw new IllegalStateException("Job:Group feature,  Failed!");
// 		}
// 		Counter counter = job.getCounters().findCounter(
// 				"org.apache.hadoop.mapred.Task$Counter",
// 				"REDUCE_OUTPUT_RECORDS");
// 		long reduceOutputRecords = counter.getValue();
// 
// 		LOG.info(
// 				"Job: GROUP each record's feature BY identifier, output recordes = {}",
// 				reduceOutputRecords);
// 
// 		return reduceOutputRecords;
// 	}
// }
// 
// Path: src/main/java/io/izenecloud/lr/LrIterationDriver.java
// public class LrIterationDriver {
// 	public static int run(String collection, Path input, Path output,
// 			Float regularizationFactor, Boolean addIntercept,
// 			Configuration baseConf) throws IOException, ClassNotFoundException,
// 			InterruptedException {
// 		Configuration conf = new Configuration(baseConf);
// 		if (null != addIntercept) {
// 			conf.setBoolean("lr.iteration.add.intercept", addIntercept);
// 		}
// 		if (null != regularizationFactor) {
// 			conf.setDouble("lr.iteration.regulariztion.factor",
// 					regularizationFactor);
// 		}
// 
// 		conf.set("com.b5m.laser.msgpack.output.method", "update_online_model");
// 
// 		Job job = Job.getInstance(conf);
// 		job.setJarByClass(LrIterationDriver.class);
// 		job.setJobName("logistic regression");
// 
// 		FileInputFormat.setInputPaths(job, input);
// 
// 		job.setOutputFormatClass(MsgpackOutputFormat.class);
// 		job.setOutputKeyClass(String.class);
// 		job.setOutputValueClass(LaserOnlineModel.class);
// 
// 		LrIterationInputFormat.setNumMapTasks(job, 120);
// 		job.setInputFormatClass(LrIterationInputFormat.class);
// 		job.setMapperClass(LrIterationMapper.class);
// 		job.setNumReduceTasks(0);
// 
// 		boolean succeeded = job.waitForCompletion(true);
// 		if (!succeeded) {
// 			throw new IllegalStateException("Job:logistic regression,  Failed!");
// 		}
// 		return 0;
// 	}
// }


import io.izenecloud.larser.feature.online.OnlineFeatureDriver;
import io.izenecloud.lr.LrIterationDriver;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.mahout.common.HadoopUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
package io.izenecloud.larser.online;




public class LaserOnlineModelTrainer {
	private static final Logger LOG = LoggerFactory
			.getLogger(LaserOnlineModelTrainer.class);

	public static int run(String collection, Path input, Path output,
			Float regularizationFactor, Boolean addIntercept, Configuration conf)
			throws ClassNotFoundException, IOException, InterruptedException {
		Path groupByIdendifier = new Path(output, "groupByIdendifier");
		try {
			if (0 == OnlineFeatureDriver.run(collection, input, groupByIdendifier, conf)) {
				return 0;
			}
		} catch (IllegalStateException e) {
			LOG.error("the online feature generate phase failed, "
					+ e.getMessage());
			throw e;
		}
		conf.setInt("mapred.task.timeout", 6000000);

		Path lrOutput = new Path(output, "LR");
		LrIterationDriver.run(collection, groupByIdendifier, lrOutput,
// Path: src/main/java/io/izenecloud/larser/feature/online/OnlineFeatureDriver.java
// public class OnlineFeatureDriver {
// 	private static final Logger LOG = LoggerFactory
// 			.getLogger(OnlineFeatureDriver.class);
// 
// 	public static long run(String collection, Path input, Path output,
// 			Configuration baseConf) throws IOException, ClassNotFoundException,
// 			InterruptedException {
// 		Configuration conf = new Configuration(baseConf);
// 		Job job = Job.getInstance(conf);
// 
// 		job.setJarByClass(OnlineFeatureDriver.class);
// 		job.setJobName("GROUP each record's feature BY identifier");
// 
// 		FileInputFormat.setInputPaths(job, input);
// 		FileOutputFormat.setOutputPath(job, output);
// 
// 		job.setInputFormatClass(SequenceFileInputFormat.class);
// 		job.setOutputFormatClass(SequenceFileOutputFormat.class);
// 
// 		job.setMapOutputKeyClass(Text.class);
// 		job.setMapOutputValueClass(OnlineVectorWritable.class);
// 		job.setOutputKeyClass(Text.class);
// 		job.setOutputValueClass(ListWritable.class);
// 
// 		job.setMapperClass(OnlineFeatureMapper.class);
// 		job.setReducerClass(OnlineFeatureReducer.class);
// 
// 		HadoopUtil.delete(conf, output);
// 		boolean succeeded = job.waitForCompletion(true);
// 		if (!succeeded) {
// 			throw new IllegalStateException("Job:Group feature,  Failed!");
// 		}
// 		Counter counter = job.getCounters().findCounter(
// 				"org.apache.hadoop.mapred.Task$Counter",
// 				"REDUCE_OUTPUT_RECORDS");
// 		long reduceOutputRecords = counter.getValue();
// 
// 		LOG.info(
// 				"Job: GROUP each record's feature BY identifier, output recordes = {}",
// 				reduceOutputRecords);
// 
// 		return reduceOutputRecords;
// 	}
// }
// 
// Path: src/main/java/io/izenecloud/lr/LrIterationDriver.java
// public class LrIterationDriver {
// 	public static int run(String collection, Path input, Path output,
// 			Float regularizationFactor, Boolean addIntercept,
// 			Configuration baseConf) throws IOException, ClassNotFoundException,
// 			InterruptedException {
// 		Configuration conf = new Configuration(baseConf);
// 		if (null != addIntercept) {
// 			conf.setBoolean("lr.iteration.add.intercept", addIntercept);
// 		}
// 		if (null != regularizationFactor) {
// 			conf.setDouble("lr.iteration.regulariztion.factor",
// 					regularizationFactor);
// 		}
// 
// 		conf.set("com.b5m.laser.msgpack.output.method", "update_online_model");
// 
// 		Job job = Job.getInstance(conf);
// 		job.setJarByClass(LrIterationDriver.class);
// 		job.setJobName("logistic regression");
// 
// 		FileInputFormat.setInputPaths(job, input);
// 
// 		job.setOutputFormatClass(MsgpackOutputFormat.class);
// 		job.setOutputKeyClass(String.class);
// 		job.setOutputValueClass(LaserOnlineModel.class);
// 
// 		LrIterationInputFormat.setNumMapTasks(job, 120);
// 		job.setInputFormatClass(LrIterationInputFormat.class);
// 		job.setMapperClass(LrIterationMapper.class);
// 		job.setNumReduceTasks(0);
// 
// 		boolean succeeded = job.waitForCompletion(true);
// 		if (!succeeded) {
// 			throw new IllegalStateException("Job:logistic regression,  Failed!");
// 		}
// 		return 0;
// 	}
// }


// Path: src/main/java/io/izenecloud/larser/online/LaserOnlineModelTrainer.java
import io.izenecloud.larser.feature.online.OnlineFeatureDriver;
import io.izenecloud.lr.LrIterationDriver;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.mahout.common.HadoopUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

package io.izenecloud.larser.online;




public class LaserOnlineModelTrainer {
	private static final Logger LOG = LoggerFactory
			.getLogger(LaserOnlineModelTrainer.class);

	public static int run(String collection, Path input, Path output,
			Float regularizationFactor, Boolean addIntercept, Configuration conf)
			throws ClassNotFoundException, IOException, InterruptedException {
		Path groupByIdendifier = new Path(output, "groupByIdendifier");
		try {
			if (0 == OnlineFeatureDriver.run(collection, input, groupByIdendifier, conf)) {
				return 0;
			}
		} catch (IllegalStateException e) {
			LOG.error("the online feature generate phase failed, "
					+ e.getMessage());
			throw e;
		}
		conf.setInt("mapred.task.timeout", 6000000);

		Path lrOutput = new Path(output, "LR");
		LrIterationDriver.run(collection, groupByIdendifier, lrOutput,
				regularizationFactor, addIntercept, conf);