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JDBI からTwilio Data のデータアクセスオブジェクトを作成

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

Twilio Calls 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 MyCallsDAO { //insert new data into Twilio @SqlUpdate("INSERT INTO Calls (StartTime, Duration) values (:startTime, :duration)") void insert(@Bind("startTime") String startTime, @Bind("duration") String duration); //request specific data from Twilio (String type is used for simplicity) @SqlQuery("SELECT Duration FROM Calls WHERE StartTime = :startTime") String findDurationByStartTime(@Bind("startTime") String startTime); /* * close with no args is used to close the connection */ void close(); }

Twilio への接続を開く

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

Use the AccountSid and AuthToken connection properties to access data from your account. You obtain your live credentials on your Twilio account dashboard. Click Account -> Account Settings to obtain your test credentials.


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

java -jar cdata.jdbc.twilio.jar

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

A connection string for Twilio 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:twilio:AccountSid=MyAccountSid;AuthToken=MyAuthToken;"); MyCallsDAO dao =; //do stuff with the DAO dao.close();

Twilio Data について

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

//disply the result of our 'find' method String duration = dao.findDurationByStartTime("1/1/2016"); System.out.println(duration);

Twilio Data の書き方

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

//add a new entry to the Calls entity dao.insert(newStartTime, newDuration);

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