12.13 Replay or Reconstruct FX Information [Dido Solutions, Inc Wiki]

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====== 12.13 Replay or Reconstruct FX Information ======

[[fxdemo:04-part:12-phase-0-interaction-pattern-realization:start | Go To Phase 0 Interaction Pattern Realization ]]

The Replay or Reconstruct FX Information pattern realizes Phase 0 reconstruction or replay from preserved audit and provenance records.

The implementation participant performing the Replay and Reconstruction Role consumes an FX Replay Request, identifies relevant source records, follows provenance and lineage relationships, reconstructs selected information, produces an FX Replay Result, and publishes the result to the replay result DDS Topic.

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**Table 12-11:** Replay or Reconstruct FX Information implementation realization.
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^ Realization Concern ^ Phase 0 Implementation Treatment ^
| FX logical interaction pattern | Replay or Reconstruct FX Information |
| Primary implementation participant | Replay and reconstruction implementation participant |
| Primary Runtime Plane | FX Logical Audit and Provenance Plane |
| Supporting Runtime Planes | FX Logical Control Plane; FX Logical Data Plane |
| Input DDS Topic | Audit.FX.ReplayRequest |
| Output DDS Topic | Audit.FX.ReplayResult |
| Primary IDL / generated types | FxReplayRequest; FxReplayResult |
| Expected processing outcome | Implementation publishes a replay result identifying source records, replay scope, reconstruction method, reconstructed information, producing participant, timestamp, and provenance references. |
| Logging and exception handling | Missing source records, incomplete lineage, unsupported replay scope, reconstruction failure, publication failure, and retry conditions follow the logging and exception-handling baseline. |
| Audit and provenance expectation | Replay records preserve replay request, source records, reconstruction method, producing participant, timestamp, and reconstructed output reference. |
| Traceability expectation | Interaction traces to FX Replay and Reconstruction Node, Replay and Reconstruction Role, FX Replay Request Endpoint, FX Replay Result Endpoint, FX Replay Request, and FX Replay Result. |

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