Hbase之原子性插入

/**
* Created by similarface on 16/8/16.
*/ 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.*;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil; import java.util.List;
import java.util.ArrayList; /**
* 批量插入的时候 如果其中一行有问题 该行实效其余的会入库
*/
public class PutDataWithAtomic {
public static void main(String[] args) throws IOException {
//获取陪着参数
Configuration config = HBaseConfiguration.create();
//建立连接
Connection connection = ConnectionFactory.createConnection(config); //连接表 获取表对象
Table table = connection.getTable(TableName.valueOf("testtable"));
Put put1 = new Put(Bytes.toBytes("10000"));
put1.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("company"), Bytes.toBytes("dianxin"));
boolean res1 = table.checkAndPut(Bytes.toBytes("10000"), Bytes.toBytes("colfam1"), Bytes.toBytes("company"), null, put1);
System.out.println("Put 1a applied: " + res1); boolean res2 = table.checkAndPut(Bytes.toBytes("10000"), Bytes.toBytes("colfam1"), Bytes.toBytes("company"), null, put1);
System.out.println("Put 1b applied: " + res2); Put put2 = new Put(Bytes.toBytes("10000"));
put2.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("company"), Bytes.toBytes("dx"));
boolean res3 = table.checkAndPut(Bytes.toBytes("10000"), Bytes.toBytes("colfam1"), Bytes.toBytes("dianxin"), Bytes.toBytes("val1"), put2);
System.out.println("Put 2 applied: " + res3); Put put3 = new Put(Bytes.toBytes("10086"));
put3.addColumn(Bytes.toBytes("colfam1"), Bytes.toBytes("company"), Bytes.toBytes("yidong"));
boolean res4 = table.checkAndPut(Bytes.toBytes("10000"), Bytes.toBytes("colfam1"), Bytes.toBytes("company"), Bytes.toBytes("val1"), put3);
System.out.println("Put 3 applied: " + res4);
connection.close(); }
}

  

上一篇:CentOS系统下做nginx和tomcat负载均衡


下一篇:JDBC----数据库连接池(connection pool)