Cassandra insertion example

package com.example;

import java.io.UnsupportedEncodingException;
import java.util.Date;

import org.apache.cassandra.thrift.Cassandra;
import org.apache.cassandra.thrift.Column;
import org.apache.cassandra.thrift.ColumnPath;
import org.apache.cassandra.thrift.ConsistencyLevel;
import org.apache.cassandra.thrift.InvalidRequestException;
import org.apache.cassandra.thrift.NotFoundException;
import org.apache.cassandra.thrift.TimedOutException;
import org.apache.cassandra.thrift.UnavailableException;
import org.apache.thrift.TException;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocol;
import org.apache.thrift.transport.TSocket;
import org.apache.thrift.transport.TTransport;
import org.apache.thrift.transport.TTransportException;

public class CassandraInsertExample {
    public static final String UTF8 = "UTF8";

    private static Long hiId = new Long(1) ;
   
    public static void main(String[] args) throws UnsupportedEncodingException,
            InvalidRequestException, UnavailableException, TimedOutException,
            TException, NotFoundException {
       
        CassandraInsertExample cassandraInsertHInfo = new CassandraInsertExample();
        cassandraInsertHInfo.insertHistoricalInfo(hiId);
    }

    public void insertHistoricalInfo(Long hiId) {
        System.out.println("Stating of class................................");
        try {
           
            TTransport tr = new TSocket("localhost", 9160);
            TProtocol proto = new TBinaryProtocol(tr);
            Cassandra.Client client = new Cassandra.Client(proto);
            tr.open();

            String keyspace = "Employee";
            String columnFamily = "Employee_Details";

            String keyUserID = hiId.toString();

            // insert data
            long timestamp = System.currentTimeMillis();

            ColumnPath colPathhiId = new ColumnPath(columnFamily);
            colPathhiId.setColumn("hiId".getBytes(UTF8));
            client.insert(keyspace, keyUserID, colPathhiId, hiId.toString().getBytes(UTF8), timestamp, ConsistencyLevel.ONE);
           
             //Fetching of single row
             Column col = client.get(keyspace, keyUserID, colPathhiId, ConsistencyLevel.ONE).getColumn();
           
             System.out.println("column name: " + new String(col.name, UTF8));
             System.out.println("column value: " + new String(col.value, UTF8));
             System.out.println("column timestamp: " + new Date(col.timestamp));
           
            tr.close();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (InvalidRequestException e) {
            e.printStackTrace();
        } catch (TTransportException e) {
            e.printStackTrace();
        } catch (UnavailableException e) {
            e.printStackTrace();
        } catch (TimedOutException e) {
            e.printStackTrace();
        } catch (TException e) {
            e.printStackTrace();
        } catch (NotFoundException e) {
            e.printStackTrace();
        }
    }
}