0.90/src/main/ruby/shell/commands/incr.rb

#
# Copyright 2010 The Apache Software Foundation
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#     http://www.apache.org/licenses/LICENSE-2.0
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module Shell
  module Commands
    class Incr < Command
      def help
        return <<-EOF
Increments a cell 'value' at specified table/row/column coordinates.
To increment a cell value in table 't1' at row 'r1' under column
'c1' by 1 (can be omitted) or 10 do:

  hbase> incr 't1', 'r1', 'c1'
  hbase> incr 't1', 'r1', 'c1', 1
  hbase> incr 't1', 'r1', 'c1', 10
EOF
      end

      def command(table, row, column, value = nil)
        cnt = table(table).incr(row, column, value)
        puts "COUNTER VALUE = #{cnt}"
      end
    end
  end
end