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package mobvista.dmp.datasource.zarola.mapreduce;
import com.google.common.collect.Sets;
import mobvista.dmp.common.CommonMapReduce;
import mobvista.dmp.util.MRUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.compress.GzipCodec;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.util.GenericOptionsParser;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.type.JavaType;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Set;
/**
* Created by shuai.liu on 2017/3/14 0014.
*/
public class ZarolaInstallDailyMR {
public static void main(String[] args) throws InterruptedException, IOException, ClassNotFoundException {
Configuration conf = new Configuration();
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
Job job = Job.getInstance(conf, "Zarola_Install_Daily");
job.setJarByClass(ZarolaInstallDailyMR.class);
FileOutputFormat.setCompressOutput(job, true);
FileOutputFormat.setOutputCompressorClass(job, GzipCodec.class);
job.setMapperClass(ZarolaInstallTotalMapper.class);
job.setReducerClass(ZarolaInstallTotalReducer.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(NullWritable.class);
FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
System.exit(job.waitForCompletion(true) ? 0 : 1);
}
public static class ZarolaInstallTotalMapper extends Mapper<LongWritable, Text, Text, Text> {
String gaid = "gaid";
String idfa = "idfa";
String ios = "ios";
String android = "android";
Text outKey = new Text();
Text outValue = new Text();
protected String regex = "^[0-9a-fA-F]{8}(-[0-9a-fA-F]{4}){3}-[0-9a-fA-F]{12}$";
public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String line = value.toString();
if (!line.matches(regex)) {
CommonMapReduce.setMetrics(context,"DMP","devivce_exceptions",1);
return;
}
String inputFile = context.getConfiguration().get("map.input.file");
if (inputFile.contains("ios")) {
outKey.set(MRUtils.JOINER.join(line, idfa, ios));
outValue.set("624639017");
} else if (inputFile.contains("android")) {
outKey.set(MRUtils.JOINER.join(line, gaid, android));
outValue.set("com.zalora.android");
} else {
return;
}
context.write(outKey, outValue);
}
}
public static class ZarolaInstallTotalReducer extends Reducer<Text, Text, Text, NullWritable> {
private ObjectMapper objectMapper;
Text outKey = new Text();
protected void setup(Context context) throws IOException, InterruptedException {
this.objectMapper = new ObjectMapper();
}
public void reduce(Text key, Iterable<Text> values, Context context) throws IOException, InterruptedException {
Set<String> tmpList = Sets.newHashSet();
for (Text value : values) {
tmpList.add(value.toString());
}
outKey.set(MRUtils.JOINER.join(key.toString(), objectMapper.writeValueAsString(tmpList)));
context.write(outKey, NullWritable.get());
}
}
}