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package mobvista.dmp.datasource.adn.mapreduce;
import com.google.common.base.Preconditions;
import mobvista.dmp.common.CommonMapReduce;
import mobvista.dmp.util.MRUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.FileSystem;
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.mapreduce.lib.output.MultipleOutputs;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;
import java.io.IOException;
import java.util.Iterator;
/**
* author: houying
* date : 16-10-25
* desc :
*/
public class AdnDeviceIdsMR extends Configured implements Tool {
public enum Fields{
/* DEVICE_GAID("gaid",42),
DEVICE_IDFA("idfa",43),
DEVICE_IMEI("imei",35),
DEVICE_MAC("mac",36),
DEVICE_ANDROID_ID("android_id",37),
DEVICE_PLATFORM("platform",13);*/
DEVICE_GAID("gaid",15),
DEVICE_IDFA("idfa",16),
DEVICE_IMEI("imei",12),
DEVICE_MAC("mac",13),
DEVICE_ANDROID_ID("android_id",14),
DEVICE_PLATFORM("platform",4);
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 class ProfileMapper extends Mapper<LongWritable, Text, Text, Text> {
private Text outKey = new Text();
private Text outValue = new Text();
private String date = null;
private MultipleOutputs multipleOutputs = null;
private ObjectMapper objectMapper = null;
public static String ANDROID = "android";
public static String IOS = "ios";
public static String idName = "device_id";
@Override
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String[] array = MRUtils.SPLITTER.split(value.toString(),-1);
// if (array.length >= 54) { //adn request daily
if (array.length >= 20) { //adn request daily
ObjectNode dspProfile = objectMapper.createObjectNode();
int idx = Fields.DEVICE_PLATFORM.getIdx();
String platform = array[idx];
if ( "ios".equals(platform) ){//ios 只使用idfa 不需要做id映射
return ;
}
String name = null;
for (Fields Field: Fields.values()){
idx = Field.getIdx();
name = Field.getName();
String idValue = array[idx];
dspProfile.put(name,idValue);
}
dspProfile.put("dmp_time", date);
outKey.set(dspProfile.get(Fields.DEVICE_GAID.getName()).asText());
outValue.set(dspProfile.toString());
context.write(outKey, outValue);
} else {
CommonMapReduce.setMetrics(context, "DMP", "adn_request_length_err", 1);
return;
}
}
@Override
protected void setup(Context context) throws IOException, InterruptedException {
date = Preconditions.checkNotNull(context.getConfiguration().get("task.date"));
objectMapper = new ObjectMapper();
}
}
public static class ProfileReducer extends Reducer<Text, Text, NullWritable, Text> {
private Text outValue = new Text();
@Override
protected void reduce(Text key, Iterable<Text> values, Context context) throws IOException, InterruptedException {
String value;
Iterator<Text> it = values.iterator();
if (it.hasNext()) {
value = it.next().toString();
outValue.set(value);
context.write(NullWritable.get(), outValue);
}
}
}
public int run(String[] args) throws Exception {
Configuration conf = getConf();
conf.set("mapreduce.map.speculative", "true");
conf.set("mapreduce.reduce.speculative", "true");
conf.set("mapreduce.task.io.sort.mb", "500");
conf.set("mapreduce.reduce.java.opts", "-Xmx1536m");
conf.set("mapreduce.reduce.memory.mb", "2048");
conf.set("mapreduce.reduce.shuffle.parallelcopies", "50");
Job job = Job.getInstance(conf, "adn device ids job");
job.setJarByClass(AdnDeviceIdsMR.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
//FileInputFormat.addInputPath(job, new Path(args[1]));
Path output = new Path(args[1]);
FileSystem system = output.getFileSystem(conf);
if (system.exists(output)) {
system.delete(output, true);
}
FileOutputFormat.setOutputPath(job, output);
FileOutputFormat.setCompressOutput(job, true);
FileOutputFormat.setOutputCompressorClass(job, GzipCodec.class);
job.setMapperClass(ProfileMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setReducerClass(ProfileReducer.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
return job.waitForCompletion(true) ? 0 : 1;
}
public static void main(String[] args) throws Exception {
System.exit(ToolRunner.run(new Configuration(), new AdnDeviceIdsMR(), args));
}
}