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package mobvista.dmp.datasource.ga.mapreduce;
import mobvista.dmp.common.CommonMapReduce;
import mobvista.dmp.common.CommonMapper;
import mobvista.dmp.common.InstallTotalReducer;
import mobvista.dmp.util.MRUtils;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.LongWritable;
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.input.FileSplit;
import org.apache.hadoop.mapreduce.lib.input.TextInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* author: houying
* date : 16-11-8
* desc :
*/
public class GaInstallTotalMR extends CommonMapReduce {
public GaInstallTotalMR(String name, Class<? extends Mapper> mapperClass, Class<? extends Reducer> reducerClass) {
super(name, mapperClass, reducerClass);
}
public static void main(String[] args) throws Exception {
start(new GaInstallTotalMR("ga install list total job", GaInstallTotalMapper.class, InstallTotalReducer.class), args);
}
@Override
protected void otherSetting(Job job, String[] args) {
job.setInputFormatClass(TextInputFormat.class);
}
@Override
protected void setOutputPath(Job job, String[] args) throws IOException {
FileOutputFormat.setOutputPath(job, new Path(args[2]));
FileOutputFormat.setCompressOutput(job, true);
FileOutputFormat.setOutputCompressorClass(job, GzipCodec.class);
}
@Override
protected void setInputPath(Job job, String[] args) throws IOException {
FileInputFormat.addInputPath(job, new Path(args[0]));
FileInputFormat.addInputPath(job, new Path(args[1]));
}
private static class GaInstallTotalMapper extends CommonMapper {
private Pattern datePtn = Pattern.compile("/(\\d{4}/\\d{2}/\\d{2})");
@Override
protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
String[] array = MRUtils.SPLITTER.split(value.toString());
if (array[0].matches(CommonMapReduce.didPtn) && !array[0].equals(CommonMapReduce.allZero)) {
if (array.length == 5) { // ga install daily
outKey.set(MRUtils.JOINER.join(
array[0],
array[1],
fixPlatform(array[2])
));
String path = ((FileSplit)context.getInputSplit()).getPath().toString();
Matcher m = datePtn.matcher(path);
if (!m.find()) {
return;
}
String date = m.group(1).replace("/","-");
outValue.set(MRUtils.JOINER.join(
array[3],
date
));
} else if (array.length == 4) { // ga install total
outKey.set(MRUtils.JOINER.join(
array[0],
array[1],
fixPlatform(array[2])
));
outValue.set(array[3]);
} else {
CommonMapReduce.setMetrics(context,"DMP","column_num_error",1);
return;
}
context.write(outKey, outValue);
} else {
CommonMapReduce.setMetrics(context,"DMP","devivce_exceptions",1);
}
}
private String fixPlatform(String platform) {
if (platform.equals("adr")) {
return "android";
} else {
return platform;
}
}
}
}