tech.ydb.query

Interface QueryClient

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

QueryClientImpl

@ExperimentalApi(value="QueryService is experimental and API may change without notice")
public interface QueryClient
extends AutoCloseable

Author:

Aleksandr Gorshenin

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	QueryClient.Builder

Method Summary

Modifier and Type	Method and Description
void	close()
CompletableFuture<Result<QuerySession>>	createSession(Duration duration) Return a future with QuerySession for further work.
ScheduledExecutorService	getScheduler()
static QueryClient.Builder	newClient(GrpcTransport transport)
static TableClient.Builder	newTableClient(GrpcTransport transport)

Method Detail

newClient

static QueryClient.Builder newClient(@WillNotClose
                                     GrpcTransport transport)

newTableClient

static TableClient.Builder newTableClient(@WillNotClose
                                          GrpcTransport transport)

createSession

CompletableFuture<Result<QuerySession>> createSession(Duration duration)

Return a future with QuerySession for further work. The session will be taken from the session pool if it has any idle session or will be created on the fly

Parameters:

duration - timeout of operation completion waiting

Returns:

Return a new CompletableFuture that is completed with successful Result when session created, and fail Result otherwise

getScheduler

ScheduledExecutorService getScheduler()

close

void close()

Specified by:

close in interface AutoCloseable