To test/use this feature, please follow below steps:

1- Clone AtlasMap Project,
2- Checkout branch issue#930-poc
2- Build the project as mentioned in project page [Here]:https://github.com/atlasmap/atlasmap
3- Run AtlasMap application as indicated in the previous link
4- Go to url : http://localhost:8585
5- Add source json document
6- Add target json document
7- Do some mappings
8- Go to url: http://localhost:8585/mapping-id/1
9- Repeat steps 5,6 and 7
10- Go to url: http://localhost:8585/mapping-id/2
11- Repeat steps 5,6 and 7
12- Revisit the three urls previously stated, you should see the same documets with same mappings persisted accordingly.
13- Go to ~project_directory/target
14- You should find three sets of files for each mapping url you visited: adm, gz, and json