com.cloudera.spark.hbase.example.JavaHBaseStreamingBulkPutExample Maven / Gradle / Ivy
package com.cloudera.spark.hbase.example;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.api.java.function.Function;
import com.cloudera.spark.hbase.JavaHBaseContext;
import org.apache.spark.streaming.Duration;
import org.apache.spark.streaming.api.java.JavaReceiverInputDStream;
import org.apache.spark.streaming.api.java.JavaStreamingContext;
public class JavaHBaseStreamingBulkPutExample {
public static void main(String args[]) {
if (args.length == 0) {
System.out
.println("JavaHBaseBulkPutExample {master} {host} {post} {tableName} {columnFamily}");
}
String master = args[0];
String host = args[1];
String port = args[2];
String tableName = args[3];
String columnFamily = args[4];
System.out.println("master:" + master);
System.out.println("host:" + host);
System.out.println("port:" + Integer.parseInt(port));
System.out.println("tableName:" + tableName);
System.out.println("columnFamily:" + columnFamily);
SparkConf sparkConf = new SparkConf();
sparkConf.set("spark.cleaner.ttl", "120000");
JavaSparkContext jsc = new JavaSparkContext(master,
"JavaHBaseBulkPutExample");
jsc.addJar("spark.jar");
JavaStreamingContext jssc = new JavaStreamingContext(jsc, new Duration(1000));
JavaReceiverInputDStream javaDstream = jssc.socketTextStream(host, Integer.parseInt(port));
Configuration conf = HBaseConfiguration.create();
conf.addResource(new Path("/etc/hbase/conf/core-site.xml"));
conf.addResource(new Path("/etc/hbase/conf/hbase-site.xml"));
JavaHBaseContext hbaseContext = new JavaHBaseContext(jsc, conf);
hbaseContext.streamBulkPut(javaDstream, tableName, new PutFunction(), true);
}
public static class PutFunction implements Function {
private static final long serialVersionUID = 1L;
public Put call(String v) throws Exception {
String[] cells = v.split(",");
Put put = new Put(Bytes.toBytes(cells[0]));
put.add(Bytes.toBytes(cells[1]), Bytes.toBytes(cells[2]),
Bytes.toBytes(cells[3]));
return put;
}
}
}