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JDBI からSmaregi Data のデータアクセスオブジェクトを作成

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

Smaregi Products 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 MyProductsDAO { //insert new data into Smaregi @SqlUpdate("INSERT INTO Products (ProductId, Description) values (:productId, :description)") void insert(@Bind("productId") String productId, @Bind("description") String description); //request specific data from Smaregi (String type is used for simplicity) @SqlQuery("SELECT Description FROM Products WHERE ProductId = :productId") String findDescriptionByProductId(@Bind("productId") String productId); /* * close with no args is used to close the connection */ void close(); }

Smaregi への接続を開く

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


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

java -jar cdata.jdbc.smaregi.jar

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

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


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:smaregi:ContractId=mycontractid;AccessToken=myaccesstoken;"); MyProductsDAO dao =; //do stuff with the DAO dao.close();

Smaregi Data について

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

//disply the result of our 'find' method String description = dao.findDescriptionByProductId("666666"); System.out.println(description);

Smaregi Data の書き方

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

//add a new entry to the Products entity dao.insert(newProductId, newDescription);

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