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Dockerfile	Dockerfile
README.md	README.md
docker-compose.yml	docker-compose.yml
pom.xml	pom.xml
run.sh	run.sh

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Shipping Workflow

Shipping workflow: select carrier, create label, track, deliver, confirm

Input: orderId, weight, dimensions, origin, destination, shippingSpeed | Timeout: 60s

Pipeline

shp_select_carrier
    │
shp_create_label
    │
shp_track
    │
shp_deliver
    │
shp_confirm

ConfirmDeliveryWorker (shp_confirm)

Reads orderId, trackingNumber. Outputs confirmed, notificationSent.

CreateLabelWorker (shp_create_label)

String prefix = "FedEx".equals(carrier) ? "FX" : "US";

Reads carrier, serviceType. Outputs trackingNumber, labelUrl.

DeliverShipmentWorker (shp_deliver)

Reads destination, trackingNumber. Outputs delivered, deliveredAt, signedBy.

SelectCarrierWorker (shp_select_carrier)

Reads speed, weight. Outputs carrier, serviceType, cost.

TrackShipmentWorker (shp_track)

Reads trackingNumber. Outputs events, currentStatus.

13 tests cover valid inputs, boundary values, null handling, and error paths.

mvn test

Run this example: see RUNNING.md for setup, build, and CLI instructions.