RowDeleter for HBase Scan with TimeRange

rowdeleter.rb

=begin
  Usage: /bin/hbase shell rowdeleter.rb
=end

import java.text.SimpleDateFormat
import java.text.ParsePosition
import java.util.Date

import org.apache.hadoop.hbase.client.Delete
import org.apache.hadoop.hbase.client.HTable
import org.apache.hadoop.hbase.client.Scan
import org.apache.hadoop.hbase.util.Bytes

table_name  = 'lead'
column_name = 'binary:object'
start_date  = '07302011000000'
end_date    = '08032011000000'

timerange_start = SimpleDateFormat.new("MMddyyyyHHmmss").parse(start_date, ParsePosition.new(0)).getTime()
timerange_end   = SimpleDateFormat.new("MMddyyyyHHmmss").parse(end_date, ParsePosition.new(0)).getTime()

=begin
puts timerange_start
puts timerange_end
puts Date.new(timerange_start).toString()
puts Date.new(timerange_end).toString()
=end

scanner = Scan.new
scanner.setMaxVersions()
scanner.setTimeRange(timerange_start,timerange_end) 
table = HTable.new(@hbase.configuration, table_name)
table_scanner = table.getScanner(scanner) 
row_counter = 0     
table_scan_iter = table_scanner.iterator     
while table_scan_iter.hasNext 
  table_row = table_scan_iter.next  
  table_row_key = Bytes::toStringBinary(table_row.getRow)   
  delete = Delete.new(table_row_key.to_s.to_java_bytes, org.apache.hadoop.hbase.HConstants::LATEST_TIMESTAMP, nil)
  table.delete(delete)
  puts "deleted #{table_name}_id - #{table_row_key}"   
  row_counter += 1  
end
puts "total deleted rows - #{row_counter}"