Examples with LRA_HTTP_ENDED_CONTEXT_HEADER org.eclipse.microprofile.lra.annotation.ws.rs.LRA.LRA_HTTP_ENDED_CONTEXT_HEADER used on opensource projects

Example 1 with LRA_HTTP_ENDED_CONTEXT_HEADER

use of org.eclipse.microprofile.lra.annotation.ws.rs.LRA.LRA_HTTP_ENDED_CONTEXT_HEADER in project helidon by oracle.

the class NonJaxRsResource method createNonJaxRsParticipantResource.

Service createNonJaxRsParticipantResource() {
    return rules -> rules.any("/{type}/{fqdn}/{methodName}", (req, res) -> {
        LOGGER.log(Level.FINE, () -> "Non JAX-RS LRA resource " + req.method().name() + " " + req.absoluteUri());
        RequestHeaders headers = req.headers();
        HttpRequest.Path path = req.path();
        URI lraId = headers.first(LRA_HTTP_CONTEXT_HEADER).or(() -> headers.first(LRA_HTTP_ENDED_CONTEXT_HEADER)).map(URI::create).orElse(null);
        URI parentId = headers.first(LRA_HTTP_PARENT_CONTEXT_HEADER).map(URI::create).orElse(null);
        PropagatedHeaders propagatedHeaders = participantService.prepareCustomHeaderPropagation(headers.toMap());
        String fqdn = path.param("fqdn");
        String method = path.param("methodName");
        String type = path.param("type");
        switch(type) {
            case "compensate":
            case "complete":
                Single.<Optional<?>>empty().observeOn(exec).onCompleteResumeWithSingle(o -> participantService.invoke(fqdn, method, lraId, parentId, propagatedHeaders)).forSingle(result -> result.ifPresentOrElse(r -> sendResult(res, r), res::send)).exceptionallyAccept(t -> sendError(lraId, req, res, t));
                break;
            case "afterlra":
                req.content().as(String.class).map(LRAStatus::valueOf).observeOn(exec).flatMapSingle(s -> Single.defer(() -> participantService.invoke(fqdn, method, lraId, s, propagatedHeaders))).onComplete(res::send).onError(t -> sendError(lraId, req, res, t)).ignoreElement();
                break;
            case "status":
                Single.<Optional<?>>empty().observeOn(exec).onCompleteResumeWithSingle(o -> participantService.invoke(fqdn, method, lraId, null, propagatedHeaders)).forSingle(result -> result.ifPresentOrElse(r -> sendResult(res, r), // or in the case of non-JAX-RS method returning ParticipantStatus null.
                () -> res.status(Response.Status.GONE.getStatusCode()).send())).exceptionallyAccept(t -> sendError(lraId, req, res, t));
                break;
            case "forget":
                Single.<Optional<?>>empty().observeOn(exec).onCompleteResumeWithSingle(o -> participantService.invoke(fqdn, method, lraId, parentId, propagatedHeaders)).onComplete(res::send).onError(t -> sendError(lraId, req, res, t)).ignoreElement();
                break;
            default:
                LOGGER.severe(() -> "Unexpected non Jax-Rs LRA compensation type " + type + ": " + req.absoluteUri());
                res.status(404).send();
                break;
        }
    });
}