GetCloneExample.java

package client;

// cc GetCloneExample Example application retrieving data from HBase
import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.Connection;
import org.apache.hadoop.hbase.client.ConnectionFactory;
import org.apache.hadoop.hbase.client.Get;
import org.apache.hadoop.hbase.client.Result;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.util.Bytes;

import util.HBaseHelper;

public class GetCloneExample {

  public static void main(String[] args) throws IOException {
    Configuration conf = HBaseConfiguration.create();

    HBaseHelper helper = HBaseHelper.getHelper(conf);
    if (!helper.existsTable("testtable")) {
      helper.createTable("testtable", "colfam1");
    }
    Connection connection = ConnectionFactory.createConnection(conf);
    Table table = connection.getTable(TableName.valueOf("testtable"));

    // vv GetCloneExample
    Get get1 = new Get(Bytes.toBytes("row1"));
    get1.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("qual1"));

    Get get2 = new Get(get1);
    Result result = table.get(get2);

    System.out.println("Result : " + result);
    // ^^ GetCloneExample
    table.close();
    connection.close();
    helper.close();
  }
}