hbase-shell/src/main/ruby/shell/commands/clone_snapshot.rb

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module Shell
  module Commands
    class CloneSnapshot < Command
      def help
        return <<-EOF
Create a new table by cloning the snapshot content. 
There're no copies of data involved.
And writing on the newly created table will not influence the snapshot data.

Examples:
  hbase> clone_snapshot 'snapshotName', 'tableName'
  hbase> clone_snapshot 'snapshotName', 'namespace:tableName'
EOF
      end

      def command(snapshot_name, table)
        format_simple_command do
          admin.clone_snapshot(snapshot_name, table)
        end
      end

      def handle_exceptions(cause, *args)
        if cause.kind_of?(org.apache.hadoop.hbase.TableExistsException) then
          tableName = args[1]
          raise "Table already exists: #{tableName}!"
        end
      end
    end
  end
end