Ashutosh Mestry created ATLAS-1825:
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Summary: Import API: Ability to Apply Transforms to Attributes
During Import
Key: ATLAS-1825
URL: https://issues.apache.org/jira/browse/ATLAS-1825
Project: Atlas
Issue Type: Improvement
Components: atlas-core
Affects Versions: trunk
Reporter: Ashutosh Mestry
Assignee: Ashutosh Mestry
Fix For: trunk
h3. Scenarios
*Case 1*
In a situation where, data exported from a cluster is imported to a different
cluster, it is necessary to make changes to attributes of entities such that
their values represent their environment
Example: Entities exported from cluster called _'cl1'_ will have _@cl1_ in
their qualifiedName attribute. When these entities are imported to a cluster
called _'cl2'_ the qualifiedName attribute should read _@cl2_ to correctly
reflect their new environment.
*Case 2*
Exported data contains an attribute that has value that does not conform to the
conventions followed within the cluster. This can be corrected by exporting the
data and reimporting it with an applied transform.
Example: Entities were created with an attribute value as upper case, this
needs to be lower case to conform to a convention.
h3. Solution
As part of Import API, it will help to be able to specify in a generic manner
the transforms that could be applied to an entity type.
The implementation should be extensible so that new transforms could be added
in future.
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