MINIFICPP-2867 Implement ForkEnrichment/JoinEnrichmentAttributes - #2221
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Pull request overview
This PR introduces a new “enrichment fork/join” mechanism to MiNiFi C++ standard processors, enabling a FlowFile to be cloned for enrichment and later rejoined with merged attributes.
Changes:
- Added new
ForkEnrichmentandJoinEnrichmentAttributesprocessors (including attribute keys shared via a small utility header). - Added unit tests and a Behave feature test validating enrichment + join behavior.
- Updated processor documentation, Behave step definitions, and the GitHub reference manifest to include the new processors.
Reviewed changes
Copilot reviewed 11 out of 11 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| PROCESSORS.md | Documents the new processors, their properties, relationships, and output attributes. |
| extensions/standard-processors/utils/EnrichmentUtils.h | Introduces shared attribute-name constants for enrichment correlation/role. |
| extensions/standard-processors/processors/ForkEnrichment.h | Declares the fork processor (clones FlowFiles and sets correlation/role attributes). |
| extensions/standard-processors/processors/ForkEnrichment.cpp | Implements cloning + attribute assignment + routing logic. |
| extensions/standard-processors/processors/JoinEnrichmentAttributes.h | Declares the join processor (pairing/timeout tracking and join output). |
| extensions/standard-processors/processors/JoinEnrichmentAttributes.cpp | Implements pairing by group id, merging attributes, and timeout routing. |
| extensions/standard-processors/tests/unit/ForkEnrichmentTests.cpp | Unit coverage for basic fork behavior and max-batch handling. |
| extensions/standard-processors/tests/unit/JoinEnrichmentAttributesTests.cpp | Unit coverage for invalid inputs, pairing behavior, and timeout/max-batch. |
| extensions/standard-processors/tests/features/enrichment.feature | End-to-end Behave scenario verifying enrichment + join in a composed flow. |
| behave_framework/src/minifi_behave/steps/flow_building_steps.py | Adds “an …” variants for processor step definitions used by the new feature. |
| .github/references/ubuntu_22_04_clang_arm_manifest.json | Registers the new processors and their property/relationship metadata in the reference manifest. |
Comments suppressed due to low confidence (1)
extensions/standard-processors/processors/JoinEnrichmentAttributes.h:131
- Typo in comment: "cant" -> "can't".
// We need to track current session's FlowFiles (we cant add those)
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| #pragma once | ||
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| constexpr std::string_view ENRICHMENT_ROLE = "enrichment.role"; | ||
| constexpr std::string_view ENRICHMENT_GROUP_ID = "enrichment.group.id"; |
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| #include <memory> | ||
| #include <string> | ||
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| #include "core/FlowFileStore.h" | ||
| #include "core/ProcessorImpl.h" | ||
| #include "core/PropertyDefinitionBuilder.h" | ||
| #include "minifi-cpp/core/PropertyDefinition.h" | ||
| #include "utils/Enum.h" | ||
| #include "utils/RegexUtils.h" |
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| #include "JoinEnrichmentAttributes.h" | ||
| #include "unit/Catch.h" | ||
| #include "unit/ProcessorUtils.h" | ||
| #include "unit/SingleProcessorTestController.h" | ||
| #include "utils/EnrichmentUtils.h" |
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| And the Minifi logs contain the following message: "key:extra_prop value:foo" in less than 1 seconds | ||
| And the Minifi logs contain the following message: "original_content" in less than 1 seconds |
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