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Object-Relational Mapping (ORM) with Salesforce Marketing Data Entities in Java

Object-relational mapping (ORM) techniques make it easier to work with relational data sources and can bridge your logical business model with your physical storage model. Follow this tutorial to integrate connectivity to Salesforce Marketing data into a Java-based ORM framework, Hibernate.

You can use Hibernate to map object-oriented domain models to a traditional relational database. The tutorial below shows how to use the CData JDBC Driver for Salesforce Marketing to generate an ORM of your Salesforce Marketing repository with Hibernate.

Though Eclipse is the IDE of choice for this article, the CData JDBC Driver for Salesforce Marketing works in any product that supports the Java Runtime Environment. In the Knowledge Base you will find tutorials to connect to Salesforce Marketing data from IntelliJ IDEA and NetBeans.

Install Hibernate

Follow the steps below to install the Hibernate plug-in in Eclipse.

  1. In Eclipse, navigate to Help -> Install New Software.
  2. Enter "http://download.jboss.org/jbosstools/updates/stable/" in the Work With box.
  3. Enter "Hibernate" into the filter box.
  4. Select Hibernate Tools.

Start A New Project

Follow the steps below to add the driver JARs in a new project.

  1. Create a new project. Select Java Project as your project type and click Next. Enter a project name and click Finish.
  2. Right-click the project and click Properties. Click Java Build Path and then open the Libraries tab.
  3. Click Add External JARs to add the cdata.jdbc.sfmarketingcloud.jar library, located in the lib subfolder of the installation directory.

Add a Hibernate Configuration File

Follow the steps below to configure connection properties to Salesforce Marketing data.

  1. Right-click on the new project and select New -> Hibernate -> Hibernate Configuration File (cfg.xml).
  2. Select src as the parent folder and click Next.
  3. Input the following values:

    • Database dialect: SQL Server
    • Driver class: cdata.jdbc.sfmarketingcloud.SFMarketingCloudDriver
    • Connection URL: A JDBC URL, starting with jdbc:sfmarketingcloud: and followed by a semicolon-separated list of connection properties.

      Authenticating to the Salesforce Marketing Cloud APIs

      Set the User and Password to your login credentials, or to the credentials for a sandbox user if you are connecting to a sandbox account.

      Connecting to the Salesforce Marketing Cloud APIs

      By default, the data provider connects to production environments. Set UseSandbox to true to use a Salesforce Marketing Cloud sandbox account.

      The default Instance is s7 of the Web Services API; however, if you use a different instance, you can set Instance.

      A typical JDBC URL is below:

      jdbc:sfmarketingcloud:User=myUser;Password=myPassword;

Connect Hibernate to Salesforce Marketing Data

Follow the steps below to select the configuration you created in the previous step.

  1. Switch to the Hibernate Configurations perspective: Window -> Open Perspective -> Hibernate.
  2. Right-click on the Hibernate Configurations panel and click Add Configuration.
  3. Click the Browse button and select the project.
  4. For the Configuration file field, click Setup -> Use Existing and select the location of the hibernate.cfg.xml file (inside src folder in this demo).
  5. Expand the Database node of the newly created Hibernate configurations file.

Reverse Engineer Salesforce Marketing Data

Follow the steps below to generate the reveng.xml configuration file. You will specify the tables you want to access as objects.

  1. Switch back to the Package Explorer.
  2. Right-click your project, select New -> Hibernate -> Hibernate Reverse Engineering File (reveng.xml). Click Next.
  3. Select src as the parent folder and click Next.
  4. In the Console configuration drop-down menu, select the Hibernate configuration file you created above and click Refresh.
  5. Expand the node and choose the tables you want to reverse engineer. Click Finish when you are done.

Configure Hibernate to Run

Follow the steps below to generate plain old Java objects (POJO) for the Salesforce Marketing tables.

  1. From the menu bar, click Run -> Hibernate Code Generation -> Hibernate Code Generation Configurations.
  2. In the Console configuration drop-down menu, select the Hibernate configuration file you created in the previous section. Click Browse by Output directory and select src.
  3. Enable the Reverse Engineer from JDBC Connection checkbox. Click the Setup button, click Use Existing, and select the location of the hibernate.reveng.xml file (inside src folder in this demo).
  4. In the Exporters tab, check Domain code (.java) and Hibernate XML Mappings (hbm.xml).
  5. Click Run.

One or more POJOs are created based on the reverse-engineering setting in the previous step.

Insert Mapping Tags

For each mapping you have generated, you will need to create a mapping tag in hibernate.cfg.xml to point Hibernate to your mapping resource. Open hibernate.cfg.xml and insert the mapping tags as so:

cdata.sfmarketingcloud.SFMarketingCloudDriver jdbc:sfmarketingcloud:User=myUser;Password=myPassword; org.hibernate.dialect.SQLServerDialect

Execute CRUD Commands

Using the entity you created from the last step, you can now perform CRUD commands. For example:

import java.util.*; import org.hibernate.*; import org.hibernate.cfg.Configuration; public class App { public static void main(final String[] args) { Session session = new Configuration().configure().buildSessionFactory().openSession(); String SELECT = "FROM Subscriber"; Query q = session.createQuery(SELECT); List resultList = (List) q.list(); for(Subscriber s: resultList){ System.out.println(s.getId()); System.out.println(s.getStatus()); } } }
 
 
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