arcadia 7;
// Separate lifetime probe: preserve this authored note and all stable IDs.
project lifetime_probe "Delayed receiver lifetime" id "20000000-0000-4000-8000-000000000001" {
    oa_activity prepare "Prepare request" id "20000000-0000-4000-8000-000000000002" {}
    oa_activity serve "Serve request" id "20000000-0000-4000-8000-000000000003" {}
    interaction service "Service request" id "20000000-0000-4000-8000-000000000004" {
        source @prepare; target @serve;
    }
    oa_scenario lifetime_conversation "Receiver created on demand" id "20000000-0000-4000-8000-000000000005" {
        viewpoint OperationalActivity;
        steps [@before_birth, @create_receiver, @service_call, @delete_receiver];
    }
    oa_lifeline requester "Requester" id "20000000-0000-4000-8000-000000000006" {
        parent @lifetime_conversation; represented @prepare;
    }
    oa_lifeline provider "Provider" id "20000000-0000-4000-8000-000000000007" {
        parent @lifetime_conversation; represented @serve;
    }
    oa_occurrence before_birth "Prepare before receiver exists" id "20000000-0000-4000-8000-000000000008" {
        parent @lifetime_conversation;
        body { Action { action @prepare; lifeline @requester; }; };
    }
    oa_occurrence create_receiver "Create receiver" id "20000000-0000-4000-8000-000000000009" {
        parent @lifetime_conversation;
        body { Exchange {
            exchange @service; sender @requester; receiver @provider;
            message_kind Create;
        }; };
    }
    oa_occurrence service_call "Call receiver" id "20000000-0000-4000-8000-00000000000a" {
        parent @lifetime_conversation;
        body { Exchange {
            exchange @service; sender @requester; receiver @provider;
            message_kind Call;
        }; };
    }
    // Death ends the visible activation but deliberately does not invent a Reply.
    oa_occurrence delete_receiver "Delete receiver" id "20000000-0000-4000-8000-00000000000b" {
        parent @lifetime_conversation;
        body { Exchange {
            exchange @service; sender @requester; receiver @provider;
            message_kind Delete;
        }; };
    }
}