org.apache.flink.runtime.webmonitor.retriever

接口 GatewayRetriever<T extends org.apache.flink.runtime.rpc.RpcGateway>

类型参数:

T - type of the object to retrieve

所有已知实现类:

LeaderGatewayRetriever, RpcGatewayRetriever

public interface GatewayRetriever<T extends org.apache.flink.runtime.rpc.RpcGateway>

Generic retriever interface for RpcGateway.

方法概要

限定符和类型	方法和说明
CompletableFuture<T>	getFuture() Get future of object to retrieve.
default Optional<T>	getNow() Returns the currently retrieved gateway if there is such an object.

方法详细资料

getFuture

CompletableFuture<T> getFuture()

Get future of object to retrieve.

返回:

Future object to retrieve

getNow

default Optional<T> getNow()

Returns the currently retrieved gateway if there is such an object. Otherwise it returns an empty optional.

返回:

Optional object to retrieve