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package mobvista.dmp.datasource.dsp.mapreduce;
import com.google.gson.JsonObject;
import mobvista.dmp.common.CommonMapReduce;
import mobvista.dmp.common.CommonMapper;
import mobvista.dmp.util.MRUtils;
import mobvista.dmp.util.Standardizer;
import mobvista.prd.datasource.util.GsonUtil;
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.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.text.ParseException;
/**
* author: houying
* date : 16-10-25
* desc :
*/
public class DspDeviceProfileTotalMR extends Configured implements Tool {
private static final Logger logger = LoggerFactory.getLogger(DspDeviceProfileTotalMR.class);
public static class ProfileTotalMapper extends CommonMapper {
private ObjectMapper objectMapper;
@Override
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String val = value.toString();
String[] array = MRUtils.SPLITTER.split(val);
if (array.length >= 13) { //daily
ObjectNode objectNode = objectMapper.createObjectNode();
objectNode.put("device_id", array[0]);
objectNode.put("device_type", array[1]);
objectNode.put("platform", array[2]);
objectNode.put("country", array[3]);
objectNode.put("ip", array[4]);
objectNode.put("gender", array[5]);
objectNode.put("birthday", array[6]);
objectNode.put("maker", array[7]);
objectNode.put("model", array[8]);
objectNode.put("os_v", array[9]);
objectNode.put("os", array[2]);
objectNode.put("time", array[12]);
if(array[12].length()<10){
return;
}
objectNode.put("dmp_time", array[12].substring(0, 10));
// 将UK改为GB，明远需求，修改人冯亮 20170815
String countryCode = objectNode.get("country").getTextValue();
if ("GB".equalsIgnoreCase(countryCode)) {
objectNode.put("country", "UK");
}
outKey.set(MRUtils.JOINER.join(array[0], array[1]));
outValue.set(objectMapper.writeValueAsString(objectNode));
context.write(outKey, outValue);
} else {
try {
JsonNode dspProfile = objectMapper.readTree(val);
// 将UK改为GB，明远需求，修改人冯亮 20170815
String countryCode = dspProfile.get("country").getTextValue();
if ("GB".equalsIgnoreCase(countryCode)) {
JsonObject obj = GsonUtil.String2JsonObject(val);
obj.addProperty("country", "UK");
value.set(obj.toString());
}
outKey.set(MRUtils.JOINER.join(dspProfile.get("device_id"), dspProfile.get("device_type")));
context.write(outKey, value);
} catch (Exception e) {
CommonMapReduce.setMetrics(context, "DMP", "json_parse_error", 1);
}
}
}
@Override
protected void setup(Context context) throws IOException, InterruptedException {
objectMapper = new ObjectMapper();
}
}
public static class ProfileTotalReducer extends Reducer<Text, Text, NullWritable, Text> {
private Text outKey = new Text();
private ObjectMapper objectMapper;
@Override
protected void reduce(Text key, Iterable<Text> values, Context context) throws IOException, InterruptedException {
String outValue = null;
String tmpValue;
JsonNode dspProfile;
JsonNode dspProfileTmp;
int count = 0;
for (Text value: values) {
if (count == 0){
outValue = value.toString();
count++;
} else {
tmpValue = value.toString();
try {
dspProfile = objectMapper.readTree(outValue);
dspProfileTmp = objectMapper.readTree(tmpValue);
} catch(IOException e) {
logger.info("json解析出错： {}", outValue);
context.getCounter("dsp_profile_total", "json_parse_error").increment(1);
continue;
}
String dspTime = dspProfile.get("dmp_time").asText();
String dspTimeTmp = dspProfileTmp.get("dmp_time").asText();
try {
if (Standardizer.CompareDate(dspTime,dspTimeTmp) <= 0 ){
outValue = tmpValue;
}
} catch (ParseException e) {
e.printStackTrace();
}
}
}
if (outValue != null) {
outKey.set(outValue);
context.write(NullWritable.get(), outKey);
}
}
@Override
protected void setup(Context context) throws IOException, InterruptedException {
objectMapper = new ObjectMapper();
}
}
@Override
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, "Profile job");
job.setJarByClass(DspDeviceProfileTotalMR.class);
FileInputFormat.addInputPath(job, new Path(args[0]));
FileInputFormat.addInputPath(job, new Path(args[1]));
Path output = new Path(args[2]);
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(ProfileTotalMapper.class);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputFormatClass(TextOutputFormat.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
job.setReducerClass(ProfileTotalReducer.class);
return job.waitForCompletion(true) ? 0 : 1;
}
public static void main(String[] args) throws Exception {
System.exit(ToolRunner.run(new Configuration(), new DspDeviceProfileTotalMR(), args));
}
}