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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;
        }
    });
}
Also used : LRAResponse(org.eclipse.microprofile.lra.LRAResponse) LRA_HTTP_CONTEXT_HEADER(org.eclipse.microprofile.lra.annotation.ws.rs.LRA.LRA_HTTP_CONTEXT_HEADER) PropagatedHeaders(io.helidon.lra.coordinator.client.PropagatedHeaders) LRA_HTTP_ENDED_CONTEXT_HEADER(org.eclipse.microprofile.lra.annotation.ws.rs.LRA.LRA_HTTP_ENDED_CONTEXT_HEADER) Supplier(java.util.function.Supplier) Level(java.util.logging.Level) Response(jakarta.ws.rs.core.Response) Map(java.util.Map) ServerResponse(io.helidon.webserver.ServerResponse) Single(io.helidon.common.reactive.Single) URI(java.net.URI) Service(io.helidon.webserver.Service) Reflected(io.helidon.common.Reflected) ExecutorService(java.util.concurrent.ExecutorService) LRA_HTTP_PARENT_CONTEXT_HEADER(org.eclipse.microprofile.lra.annotation.ws.rs.LRA.LRA_HTTP_PARENT_CONTEXT_HEADER) ParticipantStatus(org.eclipse.microprofile.lra.annotation.ParticipantStatus) Config(io.helidon.config.Config) PreDestroy(jakarta.annotation.PreDestroy) Logger(java.util.logging.Logger) RequestHeaders(io.helidon.webserver.RequestHeaders) Collectors(java.util.stream.Collectors) ServerRequest(io.helidon.webserver.ServerRequest) TimeUnit(java.util.concurrent.TimeUnit) LRAStatus(org.eclipse.microprofile.lra.annotation.LRAStatus) Optional(java.util.Optional) ConfigProperty(org.eclipse.microprofile.config.inject.ConfigProperty) Inject(jakarta.inject.Inject) ThreadPoolSupplier(io.helidon.common.configurable.ThreadPoolSupplier) HttpRequest(io.helidon.common.http.HttpRequest) HttpRequest(io.helidon.common.http.HttpRequest) PropagatedHeaders(io.helidon.lra.coordinator.client.PropagatedHeaders) Optional(java.util.Optional) RequestHeaders(io.helidon.webserver.RequestHeaders) URI(java.net.URI)

Aggregations

Reflected (io.helidon.common.Reflected)1 ThreadPoolSupplier (io.helidon.common.configurable.ThreadPoolSupplier)1 HttpRequest (io.helidon.common.http.HttpRequest)1 Single (io.helidon.common.reactive.Single)1 Config (io.helidon.config.Config)1 PropagatedHeaders (io.helidon.lra.coordinator.client.PropagatedHeaders)1 RequestHeaders (io.helidon.webserver.RequestHeaders)1 ServerRequest (io.helidon.webserver.ServerRequest)1 ServerResponse (io.helidon.webserver.ServerResponse)1 Service (io.helidon.webserver.Service)1 PreDestroy (jakarta.annotation.PreDestroy)1 Inject (jakarta.inject.Inject)1 Response (jakarta.ws.rs.core.Response)1 URI (java.net.URI)1 Map (java.util.Map)1 Optional (java.util.Optional)1 ExecutorService (java.util.concurrent.ExecutorService)1 TimeUnit (java.util.concurrent.TimeUnit)1 Supplier (java.util.function.Supplier)1 Level (java.util.logging.Level)1