Eclipse Development HBase Program

First, install HBase.

Create a Java project to bring in the jar package for Lib in HBase

Then create a class

Package Sun_test_pig;import java.io.IOException; Import Org.apache.hadoop.conf.configuration;import Org.apache.hadoop.hbase.hbaseconfiguration;import Org.apache.hadoop.hbase.hcolumndescriptor;import Org.apache.hadoop.hbase.htabledescriptor;import Org.apache.hadoop.hbase.client.get;import Org.apache.hadoop.hbase.client.hbaseadmin;import Org.apache.hadoop.hbase.client.htable;import Org.apache.hadoop.hbase.client.put;import Org.apache.hadoop.hbase.client.result;import Org.apache.hadoop.hbase.client.resultscanner;import Org.apache.hadoop.hbase.client.scan;import Org.apache.hadoop.hbase.util.bytes;public class HBaseTest {Stati    C Configuration cfg=hbaseconfiguration.create (); public static void Creat (String tablename,string columnfamily) throws Exception {hbaseadmin admin = new Hbaseadmin        (CFG);            if (admin.tableexists (tablename)) {System.out.println ("table exists!");        System.exit (0); } else{htabledescriptor Tabledesc = new Htabledescriptor (tablename);            Tabledesc.addfamily (New Hcolumndescriptor (columnfamily));            Admin.createtable (TABLEDESC);        SYSTEM.OUT.PRINTLN ("CREATE Table success!"); }} public static void put (string tablename,string row, string columnfamily,string column,string data) throws Except        Ion {htable table = new htable (CFG, tablename);        Put P1=new put (bytes.tobytes (row));        P1.add (Bytes.tobytes (columnfamily), bytes.tobytes (column), bytes.tobytes (data));        Table.put (p1);    System.out.println ("Put" "+row+" ', ' "+columnfamily+": "+column+" ', ' "+data+" ' "); public static void Get (String tablename,string row) throws ioexception{htable table=new htable (cfg,tabl            ENAME);                Get G=new Get (bytes.tobytes (row));                Result Result=table.get (g);    System.out.println ("Get:" +result); }//Show all data through htable scan to get information about existing tables public static void scan (String tablename) throws Exception{htable table = new htable (CFG, tablename);         Scan s = new scan ();         Resultscanner rs = Table.getscanner (s);         for (Result r:rs) {System.out.println ("Scan:" +r); }} public static Boolean delete (String tablename) throws ioexception{Hbaseadmin Admin=n            EW hbaseadmin (CFG); if (admin.tableexists (tablename)) {try {admin.disabletabl                            E (tablename);                    Admin.deletetable (tablename);                            }catch (Exception ex) {ex.printstacktrace ();                    return false;    }} return true;            public static void Main (string [] agrs) {string tablename= "HBASE_TB";                      String columnfamily= "CF";     try {hbasetest.creat (tablename, columnfamily);       Hbasetest.put (tablename, "Row1", columnfamily, "CL1", "data");            Hbasetest.get (tablename, "Row1");            Hbasetest.scan (tablename);               if (True==hbasetest.delete (tablename)) System.out.println ("Delete table:" +tablename+ "success!");        } catch (Exception e) {e.printstacktrace (); }    }}

Eclipse Development HBase Program