refactor: Phase 10 - LineItem ESPI 4.0 schema compliance#76
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Convert LineItem from UUID to Long ID with IDENTITY generation per ESPI 4.0 XSD (espi.xsd:1449). LineItem extends Object, not IdentifiedObject, requiring Long ID with vendor-specific auto-increment syntax. Changes: - LineItemEntity: Change ID from UUID to Long with GenerationType.IDENTITY - Add missing XSD fields: measurement (SummaryMeasurement), itemKind (required), unitCost, itemPeriod (DateTimeInterval) - LineItemRepository: Change from JpaRepository<LineItemEntity, UUID> to Long - Remove 10 non-indexed queries, keep 2 indexed queries - Create LineItemDto record matching XSD structure (no id/uuid fields) - Create LineItemMapper interface with toDto/toEntity mappings - Create SummaryMeasurementMapper for measurement field mapping - LineItemRepositoryTest: Complete rewrite with comprehensive coverage (CRUD, custom queries, relationships, business logic, persistence) - Move usage_summaries + usage_summary_related_links tables from V3 to V2 vendor-specific migrations to maintain dependency order (line_items FK requires usage_summaries to exist first) - Fix UsageSummaryRepositoryTest to include required itemKind field Database migrations: - Add line_items table to V2 vendor-specific files with auto-increment (BIGINT AUTO_INCREMENT for MySQL/H2, BIGSERIAL for PostgreSQL) - Move usage_summaries from V3 to V2 (before line_items) to resolve Flyway migration order issue All 533 tests pass. Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Summary
Convert LineItem from UUID to Long ID with IDENTITY generation per ESPI 4.0 XSD specification (espi.xsd:1449). LineItem extends Object (not IdentifiedObject), requiring Long ID with vendor-specific auto-increment syntax.
Key Changes:
JpaRepository<LineItemEntity, UUID>toJpaRepository<LineItemEntity, Long>Migration Strategy:
Test plan
Files Changed:
🤖 Generated with Claude Code