Test deleting a single HBase cell, while avoiding masking of earlier versions.

DeleteTest.java

package org.kiji.examples.importers;

import java.util.ArrayList;
import java.util.List;

import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.hbase.HBaseConfiguration;
import org.apache.hadoop.hbase.client.Delete;
import org.apache.hadoop.hbase.client.HTable;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;

public class DeleteTest extends Configured implements Tool {

  @Override
  public int run(String[] args) throws Exception {
    setConf(HBaseConfiguration.addHbaseResources(getConf()));

    /* Open the HBase table */
    HTable htable = new HTable(getConf(), "del_test");

    List<Put> puts = new ArrayList<Put>();
    for (int i = 1; i <= 5; i++) {
      Put put = new Put(Bytes.toBytes("key"));
      put.add(Bytes.toBytes("f1"), Bytes.toBytes("c1"), i, Bytes.toBytes("value" + i));
      puts.add(put);
    }
    htable.put(puts);

    Delete del = new Delete(Bytes.toBytes("key"));
    del.deleteColumn(Bytes.toBytes("f1"), Bytes.toBytes("c1"), 3);
    htable.delete(del);

    return 0;
  }

  public static void main(String args[]) throws Exception {
    System.exit(ToolRunner.run(new DeleteTest(), args));
  }
}