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Page Comparison - Custom Datasource Sample (v.7 vs v.11) - Data Services Server 3.2.2 - WSO2 Documentation

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This sample demonstrates the use of custom data source feature in DSS. It uses custom datasource datasources in a data service, using WSO2 DSS.

Table of Contents

About the data service

The InMemoryDSSample used here consists of the following custom datasource implementations:




See how data services are created using custom datasources.

Building the sample

The sample data service InMemoryDSSample should be deployed using the instructions in Samples Setup section.


  1. Log in to the management console of your server and click List under Services in the navigator.
  2. The InMemoryDSSample should be listed.
  3. Click Try this service to open the TryIt tool for the InMemoryDSSample.
  4. Select the relevant operation and click Send to execute the command. The service contains the following operations:
    • "addVehicle": This operation adds a new vehicle to the datasource.
    • "getOldVehicles": This gives all the vehicles added with the year greater than 1970.
    • "getAllVehicles": This operation returns all the vehicles added in the datasource.
    • "getVehicleById": This operation gives the vehicle information which matches with the provided id. 
    • "getAllUsers": This operation returns the user information stored in the datasource.
    • "echo1" and "echo2": This operation returns the entered values.