com.google.cloud.spanner.r2dbc.util

Class ObservableReactiveUtil

java.lang.Object

com.google.cloud.spanner.r2dbc.util.ObservableReactiveUtil

public class ObservableReactiveUtil
extends Object

Converter from a gRPC async calls to Reactor primitives (Mono).

Constructor Summary

Constructors

Constructor and Description
ObservableReactiveUtil()

Method Summary

Modifier and Type	Method and Description
static <RequestT,ResponseT> reactor.core.publisher.Flux<ResponseT>	streamingCall(Consumer<io.grpc.stub.StreamObserver<ResponseT>> remoteCall) Invokes a lambda that issues a streaming call and directs the response to a Flux stream.
static <ResponseT> reactor.core.publisher.Mono<ResponseT>	unaryCall(Consumer<io.grpc.stub.StreamObserver<ResponseT>> remoteCall) Invokes a lambda that in turn issues a remote call, directing the response to a Mono stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ObservableReactiveUtil

public ObservableReactiveUtil()

Method Detail

unaryCall

public static <ResponseT> reactor.core.publisher.Mono<ResponseT> unaryCall(Consumer<io.grpc.stub.StreamObserver<ResponseT>> remoteCall)

Invokes a lambda that in turn issues a remote call, directing the response to a Mono stream.

Type Parameters:

ResponseT - type of remote call response

Parameters:

remoteCall - lambda capable of invoking the correct remote call, making use of the Mono-converting StreamObserver implementation.

Returns:

Mono containing the response of the unary call.

streamingCall

public static <RequestT,ResponseT> reactor.core.publisher.Flux<ResponseT> streamingCall(Consumer<io.grpc.stub.StreamObserver<ResponseT>> remoteCall)

Invokes a lambda that issues a streaming call and directs the response to a Flux stream.

Type Parameters:

RequestT - request type

ResponseT - response type

Parameters:

remoteCall - call to make

Returns:

Flux of response objects resulting from the streaming call.