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JDBI からStripe Data のデータアクセスオブジェクトを作成

JDBI でStripe data 用のSQL オブジェクトAPIを作成する方法を概説します。

JDBI は、Fluent スタイルとSQL オブジェクトスタイルという2つの異なるスタイルAPI を公開する、Java 用のSQL コンビニエンスライブラリです。CData JDBC Driver for Stripe は、Java アプリケーションとリアルタイムStripe data のデータ連携を実現します。これらの技術を組み合わせることによって、Stripe data へのシンプルなコードアクセスが可能になります。ここでは、基本的なDAO(Data Access Object )とそれに付随するStripe data の読み書きのためのコードの作成について説明します。

Stripe Customers Entity のDAO を作成

The interface below declares the desired behavior for the SQL object to create a single method for each SQL statement to be implemented.

public interface MyCustomersDAO { //insert new data into Stripe @SqlUpdate("INSERT INTO Customers (Delinquent, Discount) values (:delinquent, :discount)") void insert(@Bind("delinquent") String delinquent, @Bind("discount") String discount); //request specific data from Stripe (String type is used for simplicity) @SqlQuery("SELECT Discount FROM Customers WHERE Delinquent = :delinquent") String findDiscountByDelinquent(@Bind("delinquent") String delinquent); /* * close with no args is used to close the connection */ void close(); }

Stripe への接続を開く

Collect the necessary connection properties and construct the appropriate JDBC URL for connecting to Stripe.

Use the OAuth authentication standard to connect to Stripe. To authenticate using OAuth, you will need to register an app to obtain the OAuthClientId, OAuthClientSecret, and CallbackURL connection properties. See the "Getting Started" chapter of the help documentation for a guide to using OAuth.

ビルトイン接続文字列デザイナー

For assistance in constructing the JDBC URL, use the connection string designer built into the Stripe JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.stripe.jar

Fill in the connection properties and copy the connection string to the clipboard.

A connection string for Stripe will typically look like the following:

jdbc:stripe:OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;CallbackURL=http://localhost:33333;InitiateOAuth=GETANDREFRESH

Use the configured JDBC URL to obtain an instance of the DAO interface.The particular method shown below will open a handle bound to the instance, so the instance needs to be closed explicitly to release the handle and the bound JDBC connection.

DBI dbi = new DBI("jdbc:stripe:OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;CallbackURL=http://localhost:33333;InitiateOAuth=GETANDREFRESH"); MyCustomersDAO dao = dbi.open(MyCustomersDAO.class); //do stuff with the DAO dao.close();

Stripe Data について

With the connection open to Stripe, simply call the previously defined method to retrieve data from the Customers entity in Stripe.

//disply the result of our 'find' method String discount = dao.findDiscountByDelinquent("False"); System.out.println(discount);

Stripe Data の書き方

It is also simple to write data to Stripe, using the previously defined method.

//add a new entry to the Customers entity dao.insert(newDelinquent, newDiscount);

Since the JDBI library is able to work with JDBC connections, you can easily produce a SQL Object API for Stripe by integrating with the CData JDBC Driver for Stripe.Download a free trial and work with live Stripe data in custom Java applications today.

 
 
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