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The following diagram shows how these components hang together. 
Prerequisites
Now we are going to implement the solution using WSO2 Developer Studio. Before start implementing, you will need following third party tools and WSO2 Products.
Third Party Tools
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Following is the logical solution diagram that we are going to use while implementing the solution. This diagram shows how each and every WSO2 Product incorparate to come up with end to end solution.
In this sample, we are going to create seven projects for each and every component.
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Set up Customer Data Service
Open Under the Developer Studio Dashboard by clicking Open Dashboard under top menu item Developer Studio.
top menu item, click Open Dashboard to open the Developer Studio Dashboard.
To create a Data Service, click Data Service Project under the Data Services Server category.
Select Import Data Service and click Next.
Browse for the Data Services Descriptor file, CustomerDS.dbs under $DOWNLOAD_HOME/banking-sample/ds/dbs and click Finish.
Now you will see that the Data Service Project has been created in the workspace. Make sure to change the User Name and Password according to your MySQL credentials. 
| Anchor | ||||
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From the Axis2 Service Creation Wizard, select Create New Axis2 Service and click Next. 
Fill the following information for Project Name, Package Name and Class Name.
- Project Name - MainframePojoService
- Package Name - wso2.hcc
- Class Name - MainframePojoService
After giving the necessary details, click Finish. Now you can see that the Axis2 Service has been created in the workspace. 
Now copy the two source files MainframePojoService.java and Account.java from $DOWNLOAD_HOME/banking-sample/appserver/AccountService/src/wso2/hcc and paste into the wso2.hcc package in the MainframePojoService project. 
Now we want to enable JMS transport, since this service will communicate via JMS transport. To enable this, we need to add the following block to services.xml under /src/main/resources/META-INF.
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Now your services.xml will look like below. 
Now we are done with modelling the Account Service.
2. Modeling Card System
Now we want to create the Card System. This will be another Apache Axis2 Service Project. Click Axis2 Service Project from the WSO2 Developer Studio Dashboard as you did in the previous step.
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You will see that the Composite Application Project has been created in the workspace with the name you have specified.
4. Deploy the Composite Application Project in to WSO2 App Server
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Once you add the server successfully, start the server and add the BankingSample Composite Application to the running server. 
Wait till the application gets deployed successfully to the server. Once the deployement deployment is completed, you will see logs similar to the following in the Eclipse Console.
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[2012-04-20 10:05:57,818] INFO {org.wso2.carbon.application.deployer.internal.ApplicationManager} - Deploying Carbon Application : BankingSample.car...
[2012-04-20 10:05:58,059] INFO {org.wso2.carbon.application.deployer.internal.ApplicationManager} - Successfully Deployed Carbon Application : BankingSample {super-tenant}
[2012-04-20 10:06:07,881] INFO {org.wso2.carbon.core.deployment.DeploymentInterceptor} - Deploying Axis2 service: MainframePojoService {super-tenant}
[2012-04-20 10:06:10,517] INFO {org.apache.axis2.transport.jms.ServiceTaskManager} - Task manager for service : MainframePojoService [re-]initialized
[2012-04-20 10:06:11,528] INFO {org.apache.axis2.transport.jms.JMSListener} - Started to listen on destination : MainframePojoService of type queue for service
MainframePojoService
[2012-04-20 10:06:11,570] INFO {org.apache.axis2.deployment.DeploymentEngine} - Deploying Web service: MainframePojoService-1.0.0.aar - file:/media/dev/CS-Resources/2.0.0/review-02-04-2012/servers/wso2as-4.1.2/repository/deployment/server/axis2services/MainframePojoService-1.0.0.aar
[2012-04-20 10:06:11,605] INFO {org.wso2.carbon.core.deployment.DeploymentInterceptor} - Deploying Axis2 service: CardAxis2Service {super-tenant}
[2012-04-20 10:06:12,224] INFO {org.apache.axis2.transport.jms.ServiceTaskManager} - Task manager for service : CardAxis2Service [re-]initialized
[2012-04-20 10:06:13,233] INFO {org.apache.axis2.transport.jms.JMSListener} - Started to listen on destination : CardAxis2Service of type queue for service
CardAxis2Service
[2012-04-20 10:06:13,234] INFO {org.apache.axis2.deployment.DeploymentEngine} - Deploying Web service: CardAxis2Service-1.0.0.aar - file:/media/dev/CS-Resources/2.0.0/review-02-04-2012/servers/wso2as-4.1.2/repository/deployment/server/axis2services/CardAxis2Service-1.0.0.aar |
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