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feat(model): add data product concept and registry - #1001
PR 3 of the five-PR concept-registry stack; review against stack/concept-registry/02-empty-values.
Add experimental data-product concepts: named abstractions that can be modeled
by multiple concrete data-product types. Add a registry owning those concepts.
data_product_concept
non-empty name + set of concrete types (std::type_index)
registry[name]
register new concept -> take ownership, return true
register same name -> union concrete types, return false
add concrete type -> create concept if absent
query -> name lookup, sorted names, membership, reverse lookup
Reject empty concept names and null concept registration; type insertion is
idempotent. Concept equality compares name and concrete-type membership.
Permit a concrete type to model more than one concept. Reverse lookup returns
a matching concept, not a deterministic preferred concept.
Protect registry reads/writes with shared/exclusive locks; the registry is
neither copyable nor movable.
Add model exports, forward declarations, build entries, membership/registry
tests, and the explicit <mutex> include required for portability.
Conversion records and executable translator nodes belong to subsequent PRs.
Evidence
Before: The parent has no data-product concept or owning registry API. After: Membership tests pass 16 assertions in 8 cases; registry tests pass
61 assertions in 22 cases, covering insertion, duplicate union, lookups,
rejection, sorted names, and shared-type membership.
Full configured build, including Python and FORM targets, passed.
Full boundary suite: 119/119 CTests passed, adding exactly the two model tests.
All nine changed files passed existing hooks and whitespace checks.
The before/after is the API delta, not a failing-parent test claim. Results are
local macOS/AppleClang; Linux and TSAN execution are not established. Registry
cases are sequential: overlapping-operation runtime verification is still open
as separate follow-up work.
Merge Danger
Door: Two-way
Additive experimental model APIs with no persisted-format change. Reversion
after later adoption requires removing dependent APIs and callers.
Blast Radius: Model
Locks protect operations through registry methods, not dereferences or mutations
of returned pointers after a call. Callers must coordinate those accesses.
Mutable lookup also permits assignment that changes a concept's identity without
updating its registry key; that inherited API limitation is not hardened here.
Code: Add experimental data_product_concept objects that group concrete product types under a non-empty name. Type insertion is idempotent, and equality compares the name and type set.
Code: Add a non-copyable, non-movable registry with registration, type association, lookup, sorted name listing, membership checks, and reverse lookup. Duplicate names merge their concrete types; adding a type creates a missing concept.
Concurrency: Registry methods protect reads and writes with shared or exclusive locks. Returned pointers are not protected after a method returns. Callers must coordinate pointer access with registry writes. A type associated with multiple concepts has no guaranteed preferred reverse-lookup result.
Build and tests: Add both implementation files and public headers to phlex_model, and register two Catch2 test suites. The PR reports 16 assertions across 8 concept-test cases and 61 assertions across 22 registry-test cases.
Validation: The PR reports a successful configured build, 119/119 boundary CTests, and passing hooks and whitespace checks on macOS with AppleClang. Linux and TSAN results are not established; the registry tests are sequential.
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Walkthrough
The change adds data_product_concept to store named sets of concrete product type IDs. It also adds a registry for registering concepts, associating types, and looking up concepts by name or type.
Changes: Data product concepts
Layer / File(s)
Summary
Define and test concepts phlex/model/data_product_concept.*, phlex/model/fwd.hpp, phlex/model/CMakeLists.txt, test/data_product_concept_test.cpp, test/CMakeLists.txt
Adds the exported concept type and its implementation. It stores a name and concrete type IDs, supports adding and checking types, and rejects empty names. Adds build, install, and test wiring.
Register concepts and query types phlex/model/data_product_concept_registry.*, phlex/model/fwd.hpp, phlex/model/CMakeLists.txt, test/data_product_concept_registry_test.cpp, test/CMakeLists.txt
Adds a registry that merges registrations by name, associates concrete types, and supports name and type lookups. Read operations use shared locks; write operations use exclusive locks. Concept names are returned sorted. Adds registry tests and build wiring.
Resolve the registry identity inconsistency and unsafe self-insertion before merging. Add the focused equality assertion to protect membership comparisons.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
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Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
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Title check
The title clearly and concisely describes the main changes: adding the data product concept and registry to the model.
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Full details: Docstring Coverage
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Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 7 functions across 7 files. (2 skipped: 2 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Actionable comments posted: 3
🪄 Fix comments: Fix CodeRabbit comments on this PR
Prompt to fix review comments
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only still-valid issues, skip the rest with a brief reason, keep changes
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Inline comments:
Review comments at @phlex/model/data_product_concept_registry.hpp:
- Line 57: Make the name of data_product_concept immutable after construction so
assigning through a pointer returned by find_concept cannot desynchronize the
concept’s name from the registry key. Preserve registry-controlled name updates
only if they also update the registry index.
Review comments at @phlex/model/data_product_concept.cpp:
- Line 31: Update add_concrete_types to detect when the input range refers to
concrete_types_ and return before calling range insertion; preserve insertion
for ranges from other sources.
Review comments at @test/data_product_concept_test.cpp:
- Around line 50-58: Extend the “data_product_concept equality” test with a
same-name concept containing a concrete type, then assert it differs from the
empty concept. This verifies that operator== accounts for concrete_types_ while
preserving the existing name and equality checks.
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Commits
Reviewing files that changed from the base of the PR and between f9fe86e and a700c48.
Files selected for processing: 9
phlex/model/CMakeLists.txt
phlex/model/data_product_concept.cpp
phlex/model/data_product_concept.hpp
phlex/model/data_product_concept_registry.cpp
phlex/model/data_product_concept_registry.hpp
phlex/model/fwd.hpp
test/CMakeLists.txt
test/data_product_concept_registry_test.cpp
test/data_product_concept_test.cpp
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- Const-qualify read-only locks and test fixtures
- Use contains() and std::ranges::sort in place of find/end and std::sort
- Drop <typeinfo> includes and add the standard and project headers used directly
- Hoist the register_concept result into a named variable in the test
Make the name const and delete move and assignment so a registered
concept's identity stays consistent with its registry key. Copying
remains supported.
Ignore add_concrete_types when given the concept's own set, avoiding
insertion from a range that aliases the container being modified.
Add tests for self-insertion and the copy, move, and assignment contract.
BREAKING CHANGE: data_product_concept is no longer movable or
assignable. Code that relied on either must copy the concept instead.
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Summary
PR 3 of the five-PR concept-registry stack; review against
stack/concept-registry/02-empty-values.Add experimental data-product concepts: named abstractions that can be modeled
by multiple concrete data-product types. Add a registry owning those concepts.
idempotent. Concept equality compares name and concrete-type membership.
a matching concept, not a deterministic preferred concept.
neither copyable nor movable.
tests, and the explicit
<mutex>include required for portability.Conversion records and executable translator nodes belong to subsequent PRs.
Evidence
After: Membership tests pass 16 assertions in 8 cases; registry tests pass
61 assertions in 22 cases, covering insertion, duplicate union, lookups,
rejection, sorted names, and shared-type membership.
The before/after is the API delta, not a failing-parent test claim. Results are
local macOS/AppleClang; Linux and TSAN execution are not established. Registry
cases are sequential: overlapping-operation runtime verification is still open
as separate follow-up work.
Merge Danger
Door: Two-way
Additive experimental model APIs with no persisted-format change. Reversion
after later adoption requires removing dependent APIs and callers.
Blast Radius: Model
Locks protect operations through registry methods, not dereferences or mutations
of returned pointers after a call. Callers must coordinate those accesses.
Mutable lookup also permits assignment that changes a concept's identity without
updating its registry key; that inherited API limitation is not hardened here.
Stack created with GitHub Stacks CLI • Give Feedback 💬
data_product_conceptobjects that group concrete product types under a non-empty name. Type insertion is idempotent, and equality compares the name and type set.phlex_model, and register two Catch2 test suites. The PR reports 16 assertions across 8 concept-test cases and 61 assertions across 22 registry-test cases.