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fix(core): hierarchy and completion correctness - #986
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| Layer / File(s) | Summary |
|---|---|
Driver paths and tracker flushes phlex/model/layer_path.*, phlex/model/fixed_hierarchy.*, phlex/model/data_cell_tracker.*, plugins/layer_generator.cpp, test/fixed_hierarchy_test.cpp, test/layer_generator_test.cpp, test/layer_path_test.cpp |
Layer paths expose component access. Fixed hierarchies default to the job path and reject undeclared indices. The tracker records configured driver children and initializes zero-count flush entries for them. |
Unfold hierarchy construction and routing phlex/core/framework_graph.cpp, phlex/core/index_router.*, test/CMakeLists.txt, test/index_router_test.cpp |
Graph finalization passes driver paths and unfold specifications to the router. The router expands and validates paths, rejects conflicting or cyclic outputs, and tracks expected unfolds by parent path. |
Completion counts and fold behavior phlex/core/index_router.*, phlex/core/message.hpp, phlex/core/fold_join_node.hpp, phlex/core/registration_api.hpp, phlex/core/detail/repeater_node.cpp, test/index_router_test.cpp, test/fold_duplicate_layer_name_test.cpp, test/repeater_node_test.cpp |
The router combines matching descendant counts into completion tokens. Fold declarations require at least one data product. Repeater cleanup waits for both a flush and the product message. Tests cover combined counts, duplicate paths, and both product/flush arrival orders. |
Pointer map accessors
| Layer / File(s) | Summary |
|---|---|
Pointer map accessors phlex/utilities/simple_ptr_map.hpp |
The map documents size() as a public member function and declares begin() and end() noexcept. |
Estimated code review effort: 4 (Complex) | ~45 minutes
Change: Bug fix
Sequence Diagram(s)
sequenceDiagram
participant FrameworkGraph
participant DataCellTracker
participant IndexRouter
participant FoldJoin
FrameworkGraph->>DataCellTracker: set driver layer paths
FrameworkGraph->>IndexRouter: finalize with driver paths and unfold specifications
DataCellTracker->>IndexRouter: provide flush counts
IndexRouter->>FoldJoin: send combined indexed end token
Suggested reviewers: beojan
Merge Risk: 
788b4
-
Empty completions can produce misleading cached-product warnings. The change remains mergeable, but the diagnostic should distinguish completed entries from missing products.
Pre-merge checks: 
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Check name Status Explanation Resolution Docstring Coverage Docstring coverage is 17.86% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 56 functions across 22 files. (1 skipped:… Write docstrings for the functions missing them to satisfy the coverage threshold. -
Check name Status Explanation Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Description Check Check skipped - CodeRabbit’s high-level summary is enabled. Title check The title clearly and concisely summarizes the main changes: fixes to hierarchy handling and completion correctness.
Full details: Docstring Coverage
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Explanation
Docstring coverage is 17.86% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 56 functions across 22 files. (1 skipped: 1 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Codecov Report✅ All modified and coverable lines are covered by tests. @@ Coverage Diff @@
## main #986 +/- ##
==========================================
- Coverage 89.23% 86.78% -2.45%
==========================================
Files 176 12 -164
Lines 6064 1763 -4301
Branches 1011 0 -1011
==========================================
- Hits 5411 1530 -3881
+ Misses 409 233 -176
+ Partials 244 0 -244
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @phlex/core/detail/repeater_node.cpp:
- Around line 194-197: Update repeater_node::~repeater_node to exclude entries
with flush_received set, zero pending_invocations, and no data_msg from the
cached-message count and per-entry warning; keep those entries in the cache so
late products can still be discarded and cleaned up.
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📒 Files selected for processing: 23
phlex/core/detail/repeater_node.cppphlex/core/fold_join_node.hppphlex/core/framework_graph.cppphlex/core/index_router.cppphlex/core/index_router.hppphlex/core/message.hppphlex/core/registration_api.hppphlex/model/data_cell_tracker.cppphlex/model/data_cell_tracker.hppphlex/model/fixed_hierarchy.cppphlex/model/fixed_hierarchy.hppphlex/model/layer_path.cppphlex/model/layer_path.hppphlex/utilities/simple_ptr_map.hppplugins/layer_generator.cpptest/CMakeLists.txttest/data_cell_tracker_test.cpptest/fixed_hierarchy_test.cpptest/fold_duplicate_layer_name_test.cpptest/index_router_test.cpptest/layer_generator_test.cpptest/layer_path_test.cpptest/repeater_node_test.cpp
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Files:
plugins/layer_generator.cppphlex/core/message.hppphlex/model/fixed_hierarchy.hppphlex/utilities/simple_ptr_map.hppphlex/model/layer_path.cpptest/layer_path_test.cppphlex/core/detail/repeater_node.cpptest/repeater_node_test.cppphlex/model/layer_path.hpptest/data_cell_tracker_test.cppphlex/core/registration_api.hppphlex/core/fold_join_node.hppphlex/model/fixed_hierarchy.cppphlex/model/data_cell_tracker.hpptest/layer_generator_test.cpptest/index_router_test.cpptest/fixed_hierarchy_test.cpptest/fold_duplicate_layer_name_test.cppphlex/core/framework_graph.cppphlex/core/index_router.hppphlex/model/data_cell_tracker.cppphlex/core/index_router.cpp
🪛 Cppcheck (2.22.0)
test/fold_duplicate_layer_name_test.cpp
[style] 62-62: The function 'initial_value' is never used.
(unusedFunction)
🔇 Additional comments: 23
phlex/utilities/simple_ptr_map.hpp: 1
14-14: LGTM!Also applies to: 48-50
phlex/model/layer_path.cpp: 1
82-86: LGTM!phlex/model/layer_path.hpp: 1
10-10: LGTM!Also applies to: 40-44
phlex/model/fixed_hierarchy.cpp: 1
109-110: LGTM!Also applies to: 120-122
phlex/model/fixed_hierarchy.hpp: 1
69-69: LGTM!plugins/layer_generator.cpp: 1
36-38: LGTM!test/fixed_hierarchy_test.cpp: 1
42-45: LGTM!Also applies to: 51-107
test/layer_generator_test.cpp: 1
19-22: LGTM!test/layer_path_test.cpp: 1
31-45: LGTM!phlex/model/data_cell_tracker.hpp: 1
28-38: LGTM!phlex/model/data_cell_tracker.cpp: 1
153-192: LGTM!test/data_cell_tracker_test.cpp: 1
55-163: LGTM!phlex/core/framework_graph.cpp: 1
68-84: LGTM!Also applies to: 246-246
phlex/core/index_router.hpp: 1
85-108: LGTM!Also applies to: 213-216
phlex/core/index_router.cpp: 1
182-237: LGTM!test/CMakeLists.txt: 1
177-185: LGTM!test/index_router_test.cpp: 1
1-212: LGTM!phlex/core/message.hpp: 1
34-39: LGTM!phlex/core/fold_join_node.hpp: 1
39-62: LGTM!Also applies to: 91-115, 135-146
phlex/core/registration_api.hpp: 1
264-265: LGTM!Also applies to: 295-304
phlex/core/detail/repeater_node.cpp: 1
194-197: LGTM!test/fold_duplicate_layer_name_test.cpp: 1
58-198: LGTM!test/repeater_node_test.cpp: 1
346-361: LGTM!
knoepfel
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Normalize driver paths and their intermediate ancestors, and expand grouped unfold inputs with a worklist. Record expectations per parent path and reject cycles, output collisions, and undeclared runtime paths. Give default drivers a job-only hierarchy, reject explicitly empty declarations, and initialize routing for driver-only graphs. Include the hierarchy, collision, and declaration regressions with these prerequisites.
Deliver one completion token per receiving slot, summing applicable descendant counts. Retain zero-count completion state until its product arrives so arrival order cannot strand cached products. Report zero-count driver-owned children when empty partitions close, without synthesizing counts for children owned by unfolds. Cover repeated layer names, empty partitions, sparse counts, and both arrival orders. Preserves work originally aided by GPT-6 Luna.
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marcpaterno
reviewed
Nov 6, 2026
Aided by GPT-6.1 Sol
marcpaterno
reviewed
Nov 10, 2026
Aided by GPT-6.1 Sol
Aided by GPT-6.1 Sol
Aided by GPT-6.1 Sol
Aided by GPT-6.1 Sol
marcpaterno
approved these changes
Nov 10, 2026
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Hierarchy and unfold handling
index_is_lowest_layerto throw instead of being treated as lowest.Partition completion
Fold inputs
fold_join_noderequire at least one data product, removing the empty-input counting-layer fallback.API and supporting changes
index_router::unfold_datanow stores per-unfold specifications.finalizeaccepts driver paths and unfold data by const reference.layer_pathaddscontainsandcomponents.fixed_hierarchyrepresents only thejoblayer and rejects child indices. Explicitly empty path collections are rejected.Tests