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package mobvista.dmp.datasource.gender;
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.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.apache.orc.mapred.OrcStruct;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.type.JavaType;
import java.io.IOException;
import java.util.Map;
/**
* Created by liushuai on 2017/1/18 0018.
* desc :计算总的男性比例与总的性别数量
*/
public class ValidateMRV2 {
public enum Fields {
DEVICE_ID("device_id", 0),
DEVICE_TYPE("device_type", 1),
PACKAGE_NAMES("package_names", 2),
SOURCE("source", 3),
GENDER("gender", 4),
RATIO("ratio", 5),
TAG("tag", 6),
UPDATE_DATE("update_date", 7);
private String name;
private int idx;
Fields(String name, int idx) {
this.name = name;
this.idx = idx;
}
public String getName() {
return name;
}
public int getIdx() {
return idx;
}
}
public static void main(String[] args) throws InterruptedException, IOException, ClassNotFoundException {
Configuration conf = new Configuration();
conf.set("mapreduce.map.speculative", "true");
conf.set("mapreduce.reduce.speculative", "true");
String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
Job job = Job.getInstance(conf, "ValidateMRV2");
job.setNumReduceTasks(1);
job.setJarByClass(ValidateMRV2.class);
job.setMapperClass(ValidateMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(NullWritable.class);
job.setReducerClass(ValidateReducer.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 ValidateMapper extends Mapper<NullWritable, OrcStruct, Text, NullWritable> {
Text outKey = new Text();
int yes = 0;
int no = 0;
int other = 0;
int female = 0;
int man = 0;
int mSource = 0;
int fSource = 0;
int oSource = 0;
int mRight = 0;
int fRight = 0;
int oRight = 0;
Long num = 0L;
public void map(NullWritable key, OrcStruct value, Context context) {
try {
if (value.getNumFields() != 8) {
return;
}
/*
String line = value.toString();
String[] fields = MRUtils.SPLITTER.split(line, -1);
if (fields.length != 7) {
return;
}
*/
String gender = value.getFieldValue(Fields.GENDER.getIdx()).toString();
String source = value.getFieldValue(Fields.SOURCE.getIdx()).toString();
int flag = 0;
if (gender.equals("o")) {
other += 1;
}
if (gender.equals("f")) {
female += 1;
}
if (gender.equals("m")) {
man += 1;
}
if (!source.equals("null")) {
if (source.equals("m")) {
mSource++;
} else if (source.equals("f")) {
fSource++;
} else {
oSource++;
}
if (!source.equals(gender)) {
flag = 1;
}
if (flag == 0) {
if (source.equals("m")) {
mRight++;
} else if (source.equals("f")) {
fRight++;
} else if (source.equals("o")) {
oRight++;
}
yes += 1;
} else {
no += 1;
}
}
num += 1;
} catch (Exception e) {
return;
}
}
public void cleanup(Context context) {
outKey.set(MRUtils.JOINER.join(
yes,
no,
mSource,
fSource,
oSource,
mRight,
fRight,
oRight,
man,
female,
other,
num
));
try {
context.write(outKey, NullWritable.get());
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public static class ValidateReducer extends Reducer<Text, NullWritable, Text, NullWritable> {
Text outKey = new Text();
int yes = 0;
int no = 0;
int other = 0;
int female = 0;
int man = 0;
int mSource = 0;
int fSource = 0;
int oSource = 0;
int mRight = 0;
int fRight = 0;
int oRight = 0;
Long num = 0L;
double ratio = 0.0;
public void reduce(Text key, Iterable<NullWritable> values, Context context) {
try {
String line = key.toString();
String[] fields = MRUtils.SPLITTER.split(line, -1);
yes += Integer.parseInt(fields[0]);
no += Integer.parseInt(fields[1]);
mSource += Integer.parseInt(fields[2]);
fSource += Integer.parseInt(fields[3]);
oSource += Integer.parseInt(fields[4]);
mRight += Integer.parseInt(fields[5]);
fRight += Integer.parseInt(fields[6]);
oRight += Integer.parseInt(fields[7]);
man += Integer.parseInt(fields[8]);
female += Integer.parseInt(fields[9]);
other += Integer.parseInt(fields[10]);
num += Long.parseLong(fields[11]);
} catch (Exception e) {
return;
}
}
public void cleanup(Context context) {
if ((yes + no) != 0) {
ratio = (double) (yes) / (yes + no);
}
outKey.set(MRUtils.JOINER.join(
yes,
no,
ratio,
mSource,
fSource,
oSource,
mRight,
fRight,
oRight,
man,
female,
other,
num
));
try {
context.write(outKey, NullWritable.get());
} catch (IOException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}