Learn Enterprise CPQ OMS Camunda 7

Menentukan scope, mental model arsitektur, service boundary, dan production bar untuk membangun platform Java microservices CPQ dan Order Management enterprise-grade dari nol.

Membongkar domain CPQ dan Order Management dari first principles: product, configuration, pricing, quote, approval, order, fulfillment, lifecycle, dan invariant bisnis.

Enterprise requirements and non-functional bar for building a production-grade Java microservices CPQ and order management platform.

Reference architecture and service boundary design for a production-grade Java microservices CPQ and order management platform.

Repository layout dan engineering foundation untuk membangun platform CPQ/OMS Java microservices yang production-grade, contract-first, workflow-aware, dan siap tumbuh.

Strategi OpenAPI-first untuk platform CPQ/OMS enterprise, mencakup lifecycle kontrak, versioning, compatibility, generated code boundary, error model, idempotency, dan governance API.

Schema-first data contract strategy untuk platform CPQ/OMS enterprise, mencakup JSON Schema, event schema, command schema, compatibility, envelope, canonical boundary, schema registry, validation, dan governance kontrak data.

Pemodelan domain product catalog untuk CPQ/OMS enterprise, mencakup product offering, product specification, bundle, option, characteristic, compatibility rule, eligibility, lifecycle, versioning, snapshot, dan integration boundary.

Designing a production-grade configuration engine for enterprise CPQ: product option graph, constraints, explainability, validation, determinism, APIs, data model, cache boundary, events, and failure modes.

Designing a production-grade pricing engine for enterprise CPQ: price components, traceability, reproducibility, quote pricing, discounts, overrides, rounding, versioning, persistence, events, and failure modes.

Quote domain and lifecycle design for a production-grade Java microservices CPQ/OMS platform using OpenAPI First, Schema First, JAX-RS, Jersey, PostgreSQL, EclipseLink JPA, Camunda 7, Kafka, and Redis.

Order domain and lifecycle design for a production-grade Java microservices CPQ/OMS platform using OpenAPI First, Schema First, JAX-RS, Jersey, PostgreSQL, EclipseLink JPA, Camunda 7, Kafka, and Redis.

State machines and lifecycle invariants for quote and order flows in a production-grade Java microservices CPQ/OMS platform.

PostgreSQL data model for quote, order, lifecycle, audit, outbox, and workflow correlation in a production-grade Java microservices CPQ/OMS platform.

EclipseLink JPA persistence architecture for transaction boundaries, aggregate repositories, optimistic locking, query models, and safe persistence design in a production-grade Java CPQ/OMS platform.

JPA mapping patterns for complex CPQ/OMS commercial models: quote line trees, order line actions, price components, snapshots, immutable history, and evidence-preserving persistence.

Database migration and seed data strategy for a production-grade CPQ/OMS platform: schema evolution, reference data, catalog seed, zero-downtime change, migration testing, and operational safety.

JAX-RS and Jersey service layer design for enterprise CPQ/OMS: resource boundaries, OpenAPI-generated DTOs, command endpoints, transaction scope, exception mapping, idempotency, filters, validation, and integration testing.

API error model and Problem Details design for enterprise CPQ/OMS: error taxonomy, HTTP semantics, business conflicts, validation, idempotency, workflow incidents, secure error disclosure, and JAX-RS exception mapping.

Security, authorization, and tenant boundary design for enterprise CPQ/OMS: OAuth/JWT validation, RBAC/ABAC, object-level authorization, tenant isolation, service-to-service trust, Camunda 7 task security, cache/event isolation, and threat modeling.

Architectural positioning of Camunda 7 inside an enterprise CPQ/OMS platform: embedded/shared/remote engine choices, process ownership, job executor behavior, external task pattern, engine database boundary, workflow correlation, and migration fence.

BPMN modeling for enterprise quote approval in CPQ/OMS: approval policy, user tasks, SLA timers, escalation, rejection, rework, four-eyes rule, task completion boundary, Camunda 7 implementation shape, and workflow-domain consistency.

DMN design for enterprise CPQ/OMS commercial decisions: discount approval, eligibility, pricing policy, override policy, authority matrix, decision trace, rule versioning, Camunda 7 integration, testing, and governance.

Order orchestration with Camunda 7 for enterprise CPQ/OMS: order intake, validation, decomposition, fulfillment planning, external task workers, async boundaries, retries, incidents, correlation, event consistency, and operational recovery.

Compensation and saga design for long-running CPQ/OMS order fulfillment, cancellation, reversal, fallout, and recovery using Camunda 7, PostgreSQL, Kafka, and service-level invariants.

Human task and case-worker experience design for enterprise CPQ/OMS: task lifecycle, assignment, approval, fallout, manual recovery, operational UX, audit, and Camunda 7 boundaries.

Kafka event architecture untuk CPQ/OMS enterprise: event ownership, topic boundary, partitioning, event contract, replay, consumer design, dan integrasi dengan Camunda 7 tanpa menjadikan Kafka sebagai database atau workflow engine.

Transactional outbox untuk event publishing CPQ/OMS enterprise: dual-write problem, outbox table, publisher, CDC/Debezium, ordering, idempotency, retry, DLQ, cleanup, dan failure matrix production-grade.

Menyatukan command, domain event, Kafka, transactional outbox, dan Camunda 7 workflow agar CPQ/OMS tetap konsisten walau berjalan di dunia distributed, asynchronous, dan long-running.

Menentukan boundary penggunaan Redis dalam CPQ/OMS enterprise: cache, idempotency ephemeral, rate limit, lock caveat, TTL discipline, stream boundary, dan anti-pattern agar Redis tidak salah dipakai sebagai source of truth.

Mendesain cache invalidation dan read model untuk CPQ/OMS enterprise: stale-data budget, Redis key strategy, event-driven projection, read/write boundary, rebuild, replay, dan failure-mode testing.

Mendesain search, reporting, dan operational query untuk CPQ/OMS enterprise: quote search, order dashboard, worklist, audit timeline, reporting isolation, projection schema, pagination, authorization, dan reconciliation.

Mendesain document generation dan quote artifact untuk CPQ/OMS enterprise: quote PDF, proposal, template versioning, immutable artifact, snapshot, storage, audit, security, idempotency, dan workflow integration.

Mendesain notification dan communication service untuk CPQ/OMS enterprise: event-driven notification, template governance, idempotency, retries, delivery lifecycle, preferences, audit, channel adapter, dan workflow integration.

Designing a frontend-facing BFF and API composition layer for enterprise CPQ/OMS without leaking domain ownership, creating chatty UI flows, or bypassing lifecycle invariants.