package com.micmiu.bigdata.hbase.coprocessor;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.Coprocessor;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.HTableDescriptor;
import org.apache.hadoop.hbase.client.HBaseAdmin;
import java.io.IOException;
/**
* Created
* User: <a href="http://micmiu.com">micmiu</a>
*/
public class TableCoprocessorCreateDemo {
public static void main(String[] args) throws IOException {
Configuration conf = HBaseConfiguration.create();
FileSystem fs = FileSystem.get(conf);
//coprocessor所在的jar包的存放路径
Path path = new Path(fs.getUri() + Path.SEPARATOR + "micmiu/coprocessor/demo.jar");
//HTableDescriptor
HTableDescriptor htd = new HTableDescriptor("demo_copro");
//addFamily
htd.addFamily(new HColumnDescriptor("cf"));
//
//设置要加载的corpocessor
htd.setValue("COPROCESSOR$1", path.toString() +
"|" + RegionObserverDemo.class.getCanonicalName() +
"|" + Coprocessor.PRIORITY_USER);
//
HBaseAdmin admin = new HBaseAdmin(conf);
//创建表"testtable"
admin.createTable(htd);
System.out.println("finished.");
}
}
