tech.ydb.core.impl.call

Class ProxyReadStream<BaseR,DestR>

java.lang.Object

tech.ydb.core.impl.call.ProxyReadStream<BaseR,DestR>

Type Parameters:

BaseR - type of origin stream message

DestR - new stream message type

All Implemented Interfaces:

GrpcReadStream<DestR>

public class ProxyReadStream<BaseR,DestR>
extends Object
implements GrpcReadStream<DestR>

Author:

Aleksandr Gorshenin

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ProxyReadStream.MessageFunctor<BaseR,DestR>

Nested classes/interfaces inherited from interface tech.ydb.core.grpc.GrpcReadStream

GrpcReadStream.Observer<R>

Constructor Summary

Constructors

Constructor and Description
ProxyReadStream(GrpcReadStream<BaseR> origin, ProxyReadStream.MessageFunctor<BaseR,DestR> functor)

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ProxyReadStream

public ProxyReadStream(GrpcReadStream<BaseR> origin,
                       ProxyReadStream.MessageFunctor<BaseR,DestR> functor)

Method Detail

start

public CompletableFuture<Status> start(GrpcReadStream.Observer<DestR> observer)

Description copied from interface: GrpcReadStream

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

Specified by:

start in interface GrpcReadStream<DestR>

Parameters:

observer - receives response messages

Returns:

future with the stream finish status

cancel

public void cancel()

Description copied from interface: GrpcReadStream

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

Specified by:

cancel in interface GrpcReadStream<DestR>