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JDBI からShopify Data のデータアクセスオブジェクトを作成

JDBI でShopify 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 Shopify は、Java アプリケーションとリアルタイムShopify 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、Shopify 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Shopify 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。

Shopify 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 Shopify @SqlUpdate("INSERT INTO Customers (FirstName, Id) values (:firstName, :id)") void insert(@Bind("firstName") String firstName, @Bind("id") String id); //request specific data from Shopify (String type is used for simplicity) @SqlQuery("SELECT Id FROM Customers WHERE FirstName = :firstName") String findIdByFirstName(@Bind("firstName") String firstName); /* * close with no args is used to close the connection */ void close(); }

Shopify への接続を開く

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

To make use of all the features of the data provider, provide the AppId, Password, and ShopUrl connection properties.

To obtain these values, see the Getting Started section in the help documentation to register the data provider as an application with Shopify.

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 Shopify JDBC Driver.Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.shopify.jar

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

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

jdbc:shopify:AppId=MyAppId;Password=MyPassword;ShopUrl=https://yourshopname.myshopify.com;

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:shopify:AppId=MyAppId;Password=MyPassword;ShopUrl=https://yourshopname.myshopify.com;"); MyCustomersDAO dao = dbi.open(MyCustomersDAO.class); //do stuff with the DAO dao.close();

Shopify Data について

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

//disply the result of our 'find' method String id = dao.findIdByFirstName("jdoe1234"); System.out.println(id);

Shopify Data の書き方

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

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

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

 
 
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