Examples with AsyncSession org.neo4j.driver.async.AsyncSession used on opensource projects

Example 1 with AsyncSession

use of org.neo4j.driver.async.AsyncSession in project micronaut-neo4j by micronaut-projects.

the class Neo4jHealthIndicator method getResult.

@Override
public Publisher<HealthResult> getResult() {
    try {
        Mono<HealthResult> healthResultSingle = Mono.create(emitter -> {
            AsyncSession session = boltDriver.asyncSession();
            CompletionStage<ResultSummary> query = session.writeTransactionAsync(tx -> tx.runAsync("RETURN 1 AS result").thenCompose(ResultCursor::consumeAsync));
            query.handleAsync((resultSummaryStage, throwable) -> {
                if (throwable != null) {
                    return buildErrorResult(throwable);
                } else {
                    HealthResult.Builder status = HealthResult.builder(NAME, HealthStatus.UP);
                    ServerInfo serverInfo = resultSummaryStage.server();
                    status.details(Collections.singletonMap("server", serverInfo.version() + "@" + serverInfo.address()));
                    return status.build();
                }
            }).thenComposeAsync(status -> session.closeAsync().handle((signal, throwable) -> status)).thenAccept(emitter::success);
        });
        return healthResultSingle.subscribeOn(Schedulers.fromExecutorService(ioExecutor));
    } catch (Throwable e) {
        return Mono.just(buildErrorResult(e));
    }
}