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JDBI からSalesforce Data のデータアクセスオブジェクトを作成

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

Salesforce Account 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 MyAccountDAO { //insert new data into Salesforce @SqlUpdate("INSERT INTO Account (Name, AnnualRevenue) values (:name, :annualRevenue)") void insert(@Bind("name") String name, @Bind("annualRevenue") String annualRevenue); //request specific data from Salesforce (String type is used for simplicity) @SqlQuery("SELECT AnnualRevenue FROM Account WHERE Name = :name") String findAnnualRevenueByName(@Bind("name") String name); /* * close with no args is used to close the connection */ void close(); }

Salesforce への接続を開く

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

There are several authentication methods available for connecting to Salesforce: Login, OAuth, and SSO. The Login method requires you to have the username, password, and security token of the user.

If you do not have access to the username and password or do not wish to require them, you can use OAuth authentication.

SSO (single sign-on) can be used by setting the SSOProperties, SSOLoginUrl, and TokenUrl connection properties, which allow you to authenticate to an identity provider. See the "Getting Started" chapter in the help documentation for more information.


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

java -jar cdata.jdbc.salesforce.jar

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

A connection string for Salesforce 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:salesforce:User=username;Password=password;SecurityToken=Your_Security_Token;"); MyAccountDAO dao =; //do stuff with the DAO dao.close();

Salesforce Data について

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

//disply the result of our 'find' method String annualRevenue = dao.findAnnualRevenueByName("GenePoint"); System.out.println(annualRevenue);

Salesforce Data の書き方

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

//add a new entry to the Account entity dao.insert(newName, newAnnualRevenue);

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