WSO2 ESB makes use of registry to various ESB artifacts such as sequences, endpoints, local entries etc. This post is about how to create registry resources from WSO2 Developer Studio and deploy it as a CAR file WSO2 ESB.
- First of all Launch WSO2 Developer Studio.
- Go to Developer Studio Dashboard and click on Registry Resources Project.
- Right click on the project you have created from the Project Explorer and Select New -> Registry Resource.
- Add resources either from file system, checking out from a registry on server or from an existing template. I have already create a file in local directory called 'resource'. Note that the extension of the file is not '.txt'. I have selected to import registry resource from file system.
- Click Next and browse files and select the resource file. Select gov as the Registry and give the registry path to deploy. I have given the deploy path as 'custom/testReg/'.
- Click Finish.
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The resource value can be changed after.
After saving changes to your Registry Resource Project, Go to Developer Dashboard and create a new Composite Application Project. Add the Registry Resource Project as a dependency. https://software-vb.mystrikingly.com/blog/send-files-to-computer-from-android. If there any other ESB artifact Project, Connector Exporter Project etc in the same work space, select them to add as dependencies.
You need to change the registry role to the 'EnterpriseServiceBus'. You can change the serve role by editing the POM file of the Carbon Application. Open the pom.xml file of the C-App project with 'Carbon Application Pom Editor'. You will see the set of C-App artifacts in your workspace in this editor and you will see the Server Role field in the editor. Expand the name of the Registry Resource Editor and click on the drop down list in Server Role and select EnterpriseServiceBus from the list. Save the Editor and Export the C-App and generate the CAR file.
Upload the CAR file to your ESB server instance. The created registry resource can be found in path '/_system/governance/custom/testReg/resource'. Note that if you edit the resource and restart the server the new changes will remain unlike ESB artifacts of a C-App.
The resource value can be access and put into a Property mediator of a sequence as follows.
Hope you find it helpful 🙂
References : Sketch 53 101.
Create a C-App project (make sure, you are in JavaEE perspective)
- File -> New -> Project -> Carbon Application Project
Give a name to the project (eg: myApplication) and click Finish
Right click on the C-App and go to New -> Data Service
You can create a data service in different ways
- Create a new data service
- Import existing data service descriptor file from the file system
- Import existing data service descriptor file from a registry instance
Select the option you want to create the data service and click Finish
Once you create your data service, it will open in graphical tree editor by default.
But you can open it using xml editor as well.
- right click on the file (Dataservice1.dbs) and go to Open With -> XML Editor
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When you open the data services descriptor file in the xml editor, you will have content assist as well.
Once you done with editing, save the configuration.
Delpoy data service in to WSO2 Data Services Server
- Add WSO2 DSS in to carbon studio
- Go to Servers view (if you can't see it, go to Window -> Show View -> Servers)
- Right click on the Servers view, New -> Server
In the New Server wizard page, select WSO2 Carbon 3.2 based server under WSO2 catagory.
You can change the Server Name if you want. Then click Next
Specify the where you extract your DSS server
Then you will get the page where you can specify the ports which your server is going to run. It will display the default ports initially.
In the next page, you can specify the Carbon Projects that you need to deploy in to the server you are going to add. Click on the C-App project and select Add and Click Finish
- Then start the server by right click on the server instance and select Start
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Now you can see, server is being started.
Once the Server has been started, you will see, it will start deploying the C-App project
After successful deployment, you can go to the management console and check whether your data service has been deployed
You can do changes to you descriptor file from Eclipse and by redeploying, it will add the modified changes to the server
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