| 1 | {{{ |
| 2 | #!java |
| 3 | |
| 4 | package itri; |
| 5 | |
| 6 | |
| 7 | |
| 8 | // ITRI serial program number 4 |
| 9 | |
| 10 | // 0. after Itri3CalculateMR |
| 11 | |
| 12 | // 1. run addIndexToTurnover() would add index table to itri. |
| 13 | |
| 14 | // if you have indexed the table before, don't do it again. |
| 15 | |
| 16 | // 2. tune the filter_value in main() and run readSortedValGreater() would show report |
| 17 | |
| 18 | |
| 19 | |
| 20 | import java.io.IOException; |
| 21 | |
| 22 | |
| 23 | |
| 24 | import org.apache.hadoop.fs.Path; |
| 25 | |
| 26 | import org.apache.hadoop.hbase.HBaseConfiguration; |
| 27 | |
| 28 | import org.apache.hadoop.hbase.client.tableindexed.IndexSpecification; |
| 29 | |
| 30 | import org.apache.hadoop.hbase.client.tableindexed.IndexedTableAdmin; |
| 31 | |
| 32 | import org.apache.hadoop.hbase.util.Bytes; |
| 33 | |
| 34 | |
| 35 | |
| 36 | public class Itri4SortTurnover { |
| 37 | |
| 38 | |
| 39 | |
| 40 | public void addIndexToTurnover(String OriTable, String IndexID, |
| 41 | |
| 42 | String OriColumn) throws IOException { |
| 43 | |
| 44 | HBaseConfiguration conf = new HBaseConfiguration(); |
| 45 | |
| 46 | conf.addResource(new Path("/opt/hbase/conf/hbase-site.xml")); |
| 47 | |
| 48 | IndexedTableAdmin admin = new IndexedTableAdmin(conf); |
| 49 | |
| 50 | admin.tableExists(OriTable); |
| 51 | |
| 52 | admin.addIndex(Bytes.toBytes(OriTable), new IndexSpecification(IndexID, |
| 53 | |
| 54 | Bytes.toBytes(OriColumn))); |
| 55 | |
| 56 | |
| 57 | |
| 58 | } |
| 59 | |
| 60 | |
| 61 | |
| 62 | public static void main(String[] argv) throws IOException { |
| 63 | |
| 64 | |
| 65 | |
| 66 | Itri4SortTurnover tt = new Itri4SortTurnover(); |
| 67 | |
| 68 | tt.addIndexToTurnover("itri", "Sum", "Turnover:Sum"); |
| 69 | |
| 70 | } |
| 71 | |
| 72 | } |
| 73 | |
| 74 | }}} |