コネクタのインストール 後、Xero 内のデータのデータソースに接続して作成できます。

データソースの設定

データに接続するには、次の手順を実行してください：

1. 接続 | To a Server で詳細をクリックします。
2. Xero by CData というデータソースを選択します。
3. 接続に必要な情報を入力します。
4. サインインをクリックします。
5. 必要に応じて、データベースおよびスキーマを選択して利用可能なテーブルとビューを確認できます。

Connection Builder の使用

connector は、代表的な接続プロパティをTableau 内で直接利用できるようにします。 しかし、より高度な設定が必要な場合や接続に関するトラブルシューティングが必要な場合には、使いにくいことがあります。 connector には、Tableau の外で接続を作成してテストできる、独立したConnection Builder が付属しています。

Connection Builder にアクセスする方法は2つあります。

• Windows では、スタートメニューのCData Tableau Connector for Xero フォルダの下にあるConnection Builder というショートカットを使用します。
• また、ドライバーのインストールディレクトリに移動し、lib ディレクトリで.jar ファイルを実行することによってもConnection Builder を開始できます。

Connection Builder では、接続プロパティに値を設定し、接続テストをクリックしてその動作を確認できます。 また、クリップボードにコピーボタンを使用して、接続文字列をコピーすることもできます。 この接続文字列は、Tableau 内のconnector 接続ウィンドウにあるConnection String オプションに指定できます。

Connecting to Xero

The connector supports using PKCE applications and OAuth applications. Both PKCE and OAuth connections to Xero are authenticated using OAuth.

When the connector starts, it opens a browser and requests your login information. The connector uses the credentials you provide to access your Xero data. These credentials are saved and automatically refreshed as needed.

To enable this authentication from all OAuth flows, you must set AuthScheme to OAuth, and you must create a custom OAuth application.

The following subsections describe how to authenticate to Xero from three common authentication flows:

• Desktop: a connection to a server on the user's local machine, frequently used for testing and prototyping.
• Web: access to data via a shared website.
• Headless Server: a dedicated computer that provides services to other computers and their users, which is configured to operate without a monitor and keyboard.

For information about how to create a custom OAuth application, see カスタム認証アプリケーションの作成.

For a complete list of connection string properties available in Xero, see Connection.

Desktop Applications

To authenticate with the credentials for a custom OAuth application, you must get and refresh the OAuth access token. After you do that, you are ready to connect.

Get and refresh the OAuth access token:

• InitiateOAuth = GETANDREFRESH. Used to automatically get and refresh the OAuthAccessToken.
• OAuthClientId = the client Id assigned when you registered your application.
• OAuthClientSecret = the client secret that was assigned when you registered your application.
• CallbackURL = the redirect URI that was defined when you registered your application.

When you connect, the connector opens Xero's OAuth endpoint in your default browser. Log in and grant permissions to the application.

After you grant permissions to the application, the connector then completes the OAuth process:

1. The connector obtains an access token from Xero and uses it to request data.
2. The OAuth values are saved in the path specified in OAuthSettingsLocation. These values persist across connections.

When the access token expires, the connector refreshes it automatically.

Automatic refresh of the OAuth access token:

To have the connector automatically refresh the OAuth access token, do the following:

1. Before connecting to data for the first time, set the following connection parameters:
   • InitiateOAuth = REFRESH.
   • OAuthClientId = the client Id in your application settings.
   • OAuthClientSecret = the client secret in your application settings.
   • OAuthAccessToken = the access token returned by GetOAuthAccessToken.
   • OAuthSettingsLocation = the path where you want the connector to save the OAuth values, which persist across connections.
2. On subsequent data connections, set the following:
   • InitiateOAuth
   • OAuthSettingsLocation

Manual refresh of the OAuth access token:

The only value needed to manually refresh the OAuth access token is the OAuth refresh token.

1. To manually refresh the OAuthAccessToken after the ExpiresIn period (returned by GetOAuthAccessToken) has elapsed, call the GetOAuthAccessToken stored procedure.
2. Set the following connection properties:
   • OAuthClientId = the Client Id in your application settings.
   • OAuthClientSecret = the Client Secret in your application settings.

3. Call GetOAuthAccessToken with OAuthRefreshToken set to the OAuth refresh token returned by GetOAuthAccessToken.
4. After the new tokens have been retrieved, set the OAuthAccessToken property to the value returned by GetOAuthAccessToken. This opens a new connection.

Store the OAuth refresh token so that you can use it to manually refresh the OAuth access token after it has expired.

Connecting to a Xero API

The connector supports several Xero APIs. To connect to them, set the appropriate connection property:

• For the Accounting API, set Schema to ACCOUNTING.
• For the Australian Payroll API, set Schema to PAYROLLAUS.
• For the Files API, set Schema to FILES.
• For the Fixed Assets API set Schema to ASSETS.
• For the Projects API, set Schema to PROJECTS.

Specifying Permitted Organization Access

For any of the above APIs, we also recommend setting the Tenant property, which enables you to authorize the connector to access multiple organizations. Tenant is normally set to identify one or more organizations that the connector can access. Legal entries for Tenant can be either the name of the organization or its ID. (Since multiple organizations can have the same name, we recommend using the ID to set the Tenant property.)

次のステップ

データビジュアライゼーションを作成するには、コネクタの使用 を参照してください。