Insert data to apache hadoop hbase table - Java Big Data

Java examples for Big Data:Hadoop

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Description

Insert data to apache hadoop hbase table

Demo Code

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;

import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.util.Bytes;

public class InsertData {

    public static void main(String[] args) throws IOException {

        // Instantiating Configuration class
        Configuration config = HBaseConfiguration.create();

        // Instantiating HTable class
        HTable hTable = new HTable(config, "emp");

        // Instantiating Put class
        // accepts a row name.
        Put p = new Put(Bytes.toBytes("row1"));

        // adding values using add() method
        // accepts column family name, qualifier/row name ,value
        p.add(Bytes.toBytes("personal"), Bytes.toBytes("name"),
                Bytes.toBytes("raju"));

        p.add(Bytes.toBytes("personal"), Bytes.toBytes("city"),
                Bytes.toBytes("hyderabad"));

        p.add(Bytes.toBytes("professional"), Bytes.toBytes("designation"),
                Bytes.toBytes("manager"));

        p.add(Bytes.toBytes("professional"), Bytes.toBytes("salary"),
                Bytes.toBytes("50000"));

        // Saving the put Instance to the HTable.
        hTable.put(p);//from  w w  w. j  av  a2  s . c o m
        System.out.println("data inserted");

        // closing HTable
        hTable.close();
    }
}

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