aehrc / aehrc/pathling

Version-specific resource references

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fhirpath new feature
Dominant language
Java
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134
Forks
24
Avg merge
1d 15h
Merged PRs (30d)
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Description

It is valid to have a reference from a resource to a specific technical version of another resource (see Literal References).

This change will recognise references of this form, and add the necessary conditions to the join to match the versionId within the meta element of the target resources.

This functionality will be turned off by default for performance reasons, and will need to be enabled via configuration. The following will be added to the default configuration:

pathling:
  query:
    versionSpecificReferencesEnabled: false

This may also relate to #162, if we choose to store historical versions of updated resources.

See also: #217

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No implementation file or test is named. Start by reviewing the query configuration and resource-join entry points, then read related issues #162 and #217. Done means version-specific references match the target resource's meta.versionId, while the behavior remains disabled by default and can be enabled with the documented YAML setting.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, spark
Domain
backend, data
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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