tech.ydb.core.grpc

Interface GrpcReadStream<R>

Type Parameters:

R - type of message received

All Known Subinterfaces:

GrpcReadWriteStream<R,W>

All Known Implementing Classes:

EmptyStream, ProxyReadStream, ReadStreamCall, ReadWriteStreamCall

public interface GrpcReadStream<R>

Author:

Aleksandr Gorshenin

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	GrpcReadStream.Observer<R>

Method Summary

Modifier and Type	Method and Description
void	cancel() Prevent any further processing for this GrpcReadStream.
CompletableFuture<Status>	start(GrpcReadStream.Observer<R> observer) Start a stream, using observer for processing response messages.

Method Detail

start

CompletableFuture<Status> start(GrpcReadStream.Observer<R> observer)

Start a stream, using observer for processing response messages. Returns future with the stream finish status.

Parameters:

observer - receives response messages

Returns:

future with the stream finish status

Throws:

IllegalStateException - if a method (including start()) on this class has been called.

cancel

void cancel()

Prevent any further processing for this GrpcReadStream. No further messages may be sent or will be received. The server is informed of cancellations, but may not stop processing the call. The future for the stream finish status will be completed with CANCELLED code