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19 package org.apache.hadoop.hbase.mapreduce;
20
21 import org.apache.hadoop.hbase.classification.InterfaceAudience;
22 import org.apache.hadoop.hbase.classification.InterfaceStability;
23 import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication;
24 import org.apache.hadoop.hbase.snapshot.ExportSnapshot;
25 import org.apache.hadoop.util.ProgramDriver;
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31 @InterfaceAudience.Public
32 @InterfaceStability.Stable
33 public class Driver {
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38 public static void main(String[] args) throws Throwable {
39 ProgramDriver pgd = new ProgramDriver();
40
41 pgd.addClass(RowCounter.NAME, RowCounter.class,
42 "Count rows in HBase table.");
43 pgd.addClass(CellCounter.NAME, CellCounter.class,
44 "Count cells in HBase table.");
45 pgd.addClass(Export.NAME, Export.class, "Write table data to HDFS.");
46 pgd.addClass(Import.NAME, Import.class, "Import data written by Export.");
47 pgd.addClass(ImportTsv.NAME, ImportTsv.class, "Import data in TSV format.");
48 pgd.addClass(LoadIncrementalHFiles.NAME, LoadIncrementalHFiles.class,
49 "Complete a bulk data load.");
50 pgd.addClass(CopyTable.NAME, CopyTable.class,
51 "Export a table from local cluster to peer cluster.");
52 pgd.addClass(VerifyReplication.NAME, VerifyReplication.class, "Compare" +
53 " the data from tables in two different clusters. WARNING: It" +
54 " doesn't work for incrementColumnValues'd cells since the" +
55 " timestamp is changed after being appended to the log.");
56 pgd.addClass(WALPlayer.NAME, WALPlayer.class, "Replay WAL files.");
57 pgd.addClass(ExportSnapshot.NAME, ExportSnapshot.class, "Export" +
58 " the specific snapshot to a given FileSystem.");
59
60 ProgramDriver.class.getMethod("driver", new Class [] {String[].class}).
61 invoke(pgd, new Object[]{args});
62 }
63 }