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package mobvista.prd.datasource.source.mapreduce;
import com.google.common.base.Strings;
import com.google.common.collect.Maps;
import mobvista.dmp.util.MRUtils;
import mobvista.prd.datasource.tag.mapreduce.InterestTagJob;
import mobvista.prd.datasource.tag.mapreduce.reduce.CountReducer;
import org.apache.commons.cli.BasicParser;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.apache.log4j.Logger;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.Map;
/**
* Created by Administrator on 2017/5/16 0016.
* desc : 添加app_name
*
*/
public class CountDspJoinMMR extends Configured implements Tool {
private static final Logger log = Logger.getLogger(CountDspJoinMMR.class);
public static void main(String[] args) {
int exitCode = 0;
try {
exitCode = ToolRunner.run(new Configuration(), new CountDspJoinMMR(), args);
} catch (Exception e) {
exitCode = -1;
log.error(e);
} finally {
System.exit(exitCode);
}
}
@Override public int run(String[] args) throws Exception {
Options options = buildOptions();
BasicParser parser = new BasicParser();
CommandLine commands = parser.parse(options, args);
if (!checkMustOption(commands)) {
printUsage(options);
return 1;
}
String input = commands.getOptionValue("input");
String output = commands.getOptionValue("output");
String reduceNumStr = commands.getOptionValue("reduceNum");
String iosFile = commands.getOptionValue("iosFile");
String adrFile = commands.getOptionValue("adrFile");
int reduceNum = Strings.isNullOrEmpty(reduceNumStr) ? 50 : Integer.parseInt(reduceNumStr);
log.info("*************************");
log.info("* input = " + input);
log.info("* output = " + output);
log.info("* reduceNum = " + reduceNum);
log.info("*************************");
this.getConf().set("mapreduce.task.io.sort.mb", "512");
this.getConf().set("mapreduce.task.io.sort.factor", "100");
this.getConf().set("mapreduce.reduce.shuffle.parallelcopies", "50");
this.getConf().set("iosFile", iosFile);
this.getConf().set("adrFile", adrFile);
Job job = Job.getInstance(this.getConf(), "CountDspJoinMMR");
job.setJarByClass(InterestTagJob.class);
job.setNumReduceTasks(reduceNum);
job.setMapperClass(CrossMRMapper.class);
job.setReducerClass(CountReducer.class);
job.setCombinerClass(CountReducer.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(LongWritable.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(LongWritable.class);
job.setInputFormatClass(TextInputFormat.class);
FileInputFormat.addInputPath(job, new Path(input));
FileOutputFormat.setOutputPath(job, new Path(output));
return job.waitForCompletion(true) ? 0 : 1;
}
public Options buildOptions() {
Options options = new Options();
options.addOption("input", true, "[must] daily input path ");
options.addOption("output", true, "[must] output path");
options.addOption("iosFile", true, "ios app file ");
options.addOption("adrFile", true, "adr app file");
options.addOption("reduceNum", true, "number of reducer");
return options;
}
public boolean checkMustOption(CommandLine commands) {
if (!(commands.hasOption("input"))) {
log.info("please set input ");
return false;
}
if (!(commands.hasOption("output"))) {
log.info("please set output ");
return false;
}
return true;
}
public void printUsage(Options options) {
HelpFormatter help = new HelpFormatter();
help.printHelp("CountDspJoinMMR", options);
}
public static class CrossMRMapper extends Mapper<LongWritable, Text, Text, LongWritable> {
Text outKey = new Text();
LongWritable outVal = new LongWritable(1);
Map<String, String> packageMap = Maps.newHashMap();
public void setup(Context context) throws IOException, InterruptedException {
//读取CalcPackageDictMR的结果，放入Map中
Configuration conf = context.getConfiguration();
String path = conf.get("iosFile");
readAppPkgAndName(path, conf);
path = context.getConfiguration().get("adrFile");
readAppPkgAndName(path, conf);
}
public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String[] fields = value.toString().split("\t");
if (fields.length != 5) {
return;
}
String appName = packageMap.get(fields[2]);
if (appName == null) {
appName = "";
}
outKey.set(MRUtils.JOINER.join(fields[3], fields[2], fields[4], appName)); //来源，包名，国家，app_name
context.write(outKey,outVal);
}
protected void readAppPkgAndName(String path, Configuration conf) throws IOException {
FileSystem fileSystem = FileSystem.get(URI.create(path), conf);
FileStatus[] statuses = fileSystem.listStatus(new Path(path));
BufferedReader reader = null;
for (FileStatus status : statuses) {
try {
reader = new BufferedReader(new InputStreamReader(fileSystem.open(status.getPath())));
String readLine = "";
while ((readLine = reader.readLine()) != null) {
String[] arr = readLine.split("\t", -1);
packageMap.put(arr[0], arr[1]);
}
} finally {
if (reader != null) {
reader.close();
}
}
}
}
}
}