package com.micmiu.bigdata.hbase.test; import com.micmiu.bigdata.hbase.HBaseDDLHandler; import com.micmiu.bigdata.hbase.HBaseUtils; import com.micmiu.bigdata.hbase.client.HBaseClientManager; import com.micmiu.bigdata.hbase.client.HBaseConnPool; import org.apache.hadoop.hbase.HColumnDescriptor; import org.apache.hadoop.hbase.HTableDescriptor; import org.apache.hadoop.hbase.KeepDeletedCells; import org.apache.hadoop.hbase.client.HBaseAdmin; import org.apache.hadoop.hbase.client.HTableInterface; import org.apache.hadoop.hbase.util.Bytes; /** * Created * User: <a href="http://micmiu.com">micmiu</a> * Date: 7/8/2015 * Time: 10:28 */ public class HBaseDDLHandlerTest { public static void main(String[] args) throws Exception { String quorum = "192.168.0.30,192.168.0.31,192.168.0.32"; //quorum = "192.168.8.191,192.168.1.192,192.168.1.193"; int port = 2181; String znode = "/hyperbase1"; HBaseConnPool connPool = new HBaseClientManager(quorum, port, znode); HBaseDDLHandler ddlHandler = new HBaseDDLHandler(connPool); String tableName = "demo_test"; System.out.println("=============================== : delete"); ddlHandler.deleteTable(tableName); String columnFamily = "cf"; System.out.println("=============================== : create"); ddlHandler.createTable(tableName, columnFamily, "cf2"); System.out.println("=============================== : desc"); HBaseUtils.printTableInfo(ddlHandler.getTable(tableName)); System.out.println("=============================== : alter"); HBaseAdmin admin = new HBaseAdmin(connPool.getConn()); admin.disableTable(tableName); HTableInterface htable = ddlHandler.getTable(tableName); HTableDescriptor tableDesc = admin.getTableDescriptor(htable.getTableName()); tableDesc.removeFamily(Bytes.toBytes("cf2")); HColumnDescriptor newhcd = new HColumnDescriptor("cf3"); newhcd.setMaxVersions(2); newhcd.setKeepDeletedCells(KeepDeletedCells.TRUE); tableDesc.addFamily(newhcd); admin.modifyTable(tableName, tableDesc); admin.enableTable(tableName); admin.close(); System.out.println("=============================== : desc"); HBaseUtils.printTableInfo(ddlHandler.getTable(tableName)); System.out.println("=============================== : delete"); ddlHandler.deleteTable(tableName); connPool.closeConn(); } }