Quarkus兵变： neo4j类型不匹配编译处理

Question

这是我的代码：

@Path("/hello")
@AllArgsConstructor
public class GreetingResource {

    private final Driver driver;

    @GET
    @Produces(MediaType.TEXT_PLAIN)
    public Uni<String> hello() {
        return Multi.createFrom().resource(
            driver::rxSession,
            session -> session.readTransaction(tx -> {
                RxResult result = tx.run("MATCH (f:Fruit) RETURN f.name as name ORDER BY f.name");
                return Multi.createFrom().publisher(result.records()).map(record -> record.get("name").asString());
            })
        ).withFinalizer(session -> {
            return Multi.createFrom().publisher(session.close());
        });
    }

}

我收到两条编译信息：

Type mismatch: cannot convert from Multi<Object> to Uni<String>
Type mismatch: cannot convert from Multi<Object> to Uni<Void>

我不太清楚，因为记录。获取（“名称”）。asString返回一个字符串。。。

有什么想法吗？

Answer 1

终结器函数必须返回一个Uni

尝试以下方法：

@GET
@Produces(MediaType.TEXT_PLAIN)
public Multi<String> hello() {
    return Multi.createFrom().resource(
            driver::rxSession,
            session -> session.readTransaction(tx -> {
                RxResult result = tx.run(
                  "MATCH (f:Fruit) RETURN f.name as name ORDER BY f.name");
                return Multi.createFrom().publisher(result.records())
                   .map(record -> record.get("name").asString());
            })
    ).withFinalizer(session -> {
        return Uni.createFrom().publisher(session.close());
    });
}