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JRuby からPCA Sales Data にデータ連携

リアルタイムPCA Sales data に連携するシンプルなJRuby アプリケーションを作成します。

JRuby はRuby プログラミング言語の高性能で安定した、完全にスレッド化されたJava 実装です。CData JDBC Driver for PCA Sales を使用すると、JRuby からリアルタイムPCA Sales data へのデータ連携を簡単に実装できます。ここでは、PCA Sales data に接続し、クエリを実行して結果を表示する簡単なJRuby アプリを作成する方法を説明します。

PCA Sales Data にJDBC で接続

Before creating the app, note the installation location for the JAR file for the JDBC Driver (typically C:\Program Files\CDatat\CData JDBC Driver for PCA Sales\lib).

JRuby natively supports JDBC, so you can easily connect to PCA Sales and execute SQL queries.Initialize the JDBC connection with the getConnection function of the java.sql.DriverManager class.

PCA Sales uses the OAuth 2 authentication standard. You will need to obtain the OAuthClientId and OAuthClientSecret by registering an app with PCA Sales. See the Getting Started section of the help documentation for an authentication guide.

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

java -jar cdata.jdbc.pcasales.jar

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

Below is a typical JDBC connection string for PCA Sales:

jdbc:pcasales:OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;CallbackURL=http://localhost:33333;ProductCode=MyProductCode;ApiVersion=V1;DataCenter=DataCenterName;DefaultDataArea=MyDefaultDataArea;InitiateOAuth=GETANDREFRESH

PCA Sales Data への接続性を持つJRuby アプリを作成

Create a new Ruby file (for example: PCASalesSelect.rb) and open it in a text editor.Copy the following code into your file:

require 'java' require 'rubygems' require 'C:/Program Files/CData/CData JDBC Driver for PCA Sales 2018/lib/cdata.jdbc.pcasales.jar' url = "jdbc:pcasales:OAuthClientId=MyOAuthClientId;OAuthClientSecret=MyOAuthClientSecret;CallbackURL=http://localhost:33333;ProductCode=MyProductCode;ApiVersion=V1;DataCenter=DataCenterName;DefaultDataArea=MyDefaultDataArea;InitiateOAuth=GETANDREFRESH" conn = java.sql.DriverManager.getConnection(url) stmt = conn.createStatement rs = stmt.executeQuery("SELECT SyohinCode, SyohinMei FROM MasterSms") while (rs.next) do puts rs.getString(1) + ' ' + rs.getString(2) end

With the file completed, you are ready to display your PCA Sales data with JRuby.To do so, simply run your file from the command line:

jruby -S PCASalesSelect.rb

Writing SQL-92 queries to PCA Sales allows you to quickly and easily incorporate PCA Sales data into your own JRuby applications.Download a free trial today!

 
 
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