Composite Projections

Composite projections in Marten: group projections into ordered stages so downstream projections consume upstream outputs via synthetic events, sharing one event batch. Covers staged execution, Updated<T>, and chained projections.

Use when a read model depends on another projection's output or batching related projections together.

Skill details

• Skill name: marten-projections-composite
• Applies to: marten
• Tags: marten, projections, event-sourcing, advanced
• License: Proprietary. Copyright JasperFx Software LLC.

This skill is part of a paid product. The full content of marten-projections-composite — patterns, code examples, conventions, and guidance — is distributed only to licensed customers.

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