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

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module Shell
  module Commands
    class DescribeNamespace < Command
      def help
        <<-EOF
Describe the named namespace. For example:
  hbase> describe_namespace 'ns1'
EOF
      end

      # rubocop:disable Metrics/AbcSize
      def command(namespace)
        desc = admin.describe_namespace(namespace)

        formatter.header(['DESCRIPTION'], [64])
        formatter.row([desc], true, [64])
        ns = namespace.to_s
        if admin.exists?(::HBaseQuotasConstants::QUOTA_TABLE_NAME.to_s)
          puts formatter.header(%w[QUOTAS])
          count = quotas_admin.list_quotas(::HBaseConstants::NAMESPACE => ns) do |_, quota|
            formatter.row([quota])
          end
          formatter.footer(count)
        else
          puts 'Quota is disabled'
        end
      end
      # rubocop:enable Metrics/AbcSize
    end
  end
end