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Create a Data Access Object for Twitter Ads Data using JDBI


A brief overview of creating a SQL Object API for Twitter Ads data in JDBI.

JDBI is a SQL convenience library for Java that exposes two different style APIs, a fluent style and a SQL object style. The CData JDBC Driver for Twitter Ads integrates connectivity to live Twitter Ads data in Java applications. By pairing these technologies, you gain simple, programmatic access to Twitter Ads data. This article walks through building a basic Data Access Object (DAO) and the accompanying code to read Twitter Ads data.

Create a DAO for the Twitter Ads AdStats Entity

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 MyAdStatsDAO { //request specific data from Twitter Ads (String type is used for simplicity) @SqlQuery("SELECT Entity FROM AdStats WHERE Entity = :entity") String findEntityByEntity(@Bind("entity") String entity); /* * close with no args is used to close the connection */ void close(); }

Open a Connection to Twitter Ads

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

All tables require authentication. You must use OAuth to authenticate with Twitter. OAuth requires the authenticating user to interact with Twitter using the browser. For more information, refer to the OAuth section in the Help documentation.

Built-in Connection String Designer

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

java -jar cdata.jdbc.twitterads.jar

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

A connection string for Twitter Ads will typically look like the following:

jdbc:twitterads: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:twitterads:InitiateOAuth=GETANDREFRESH"); MyAdStatsDAO dao = dbi.open(MyAdStatsDAO.class); //do stuff with the DAO dao.close();

Read Twitter Ads Data

With the connection open to Twitter Ads, simply call the previously defined method to retrieve data from the AdStats entity in Twitter Ads.

//disply the result of our 'find' method String entity = dao.findEntityByEntity("ORGANIC_TWEET"); System.out.println(entity);

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

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