@temporalio/client
Version:
Temporal.io SDK Client sub-package
87 lines (86 loc) • 3.67 kB
TypeScript
import { DataConverter, LoadedDataConverter } from '@temporalio/common';
import { ConnectionLike, Metadata } from './types';
export interface BaseClientOptions {
/**
* {@link DataConverter} to use for serializing and deserializing payloads
*/
dataConverter?: DataConverter;
/**
* Identity to report to the server
*
* @default `${process.pid}@${os.hostname()}`
*/
identity?: string;
/**
* Connection to use to communicate with the server.
*
* By default, connects to localhost.
*
* Connections are expensive to construct and should be reused.
*/
connection?: ConnectionLike;
/**
* Server namespace
*
* @default default
*/
namespace?: string;
}
export type WithDefaults<Options extends BaseClientOptions> = //
Required<Omit<Options, 'connection'>> & Pick<Options, 'connection'>;
export type LoadedWithDefaults<Options extends BaseClientOptions> = //
WithDefaults<Options> & {
loadedDataConverter: LoadedDataConverter;
};
export declare function defaultBaseClientOptions(): WithDefaults<BaseClientOptions>;
export declare class BaseClient {
/**
* The underlying {@link Connection | connection} or {@link NativeConnection | native connection} used by this client.
*
* Clients are cheap to create, but connections are expensive. Where it makes sense,
* a single connection may and should be reused by multiple `Client`s.
*/
readonly connection: ConnectionLike;
private readonly loadedDataConverter;
protected constructor(options?: BaseClientOptions);
/**
* Set a deadline for any service requests executed in `fn`'s scope.
*
* The deadline is a point in time after which any pending gRPC request will be considered as failed;
* this will locally result in the request call throwing a {@link _grpc.ServiceError|ServiceError}
* with code {@link _grpc.status.DEADLINE_EXCEEDED|DEADLINE_EXCEEDED}; see {@link isGrpcDeadlineError}.
*
* It is stronly recommended to explicitly set deadlines. If no deadline is set, then it is
* possible for the client to end up waiting forever for a response.
*
* This method is only a convenience wrapper around {@link Connection.withDeadline}.
*
* @param deadline a point in time after which the request will be considered as failed; either a
* Date object, or a number of milliseconds since the Unix epoch (UTC).
* @returns the value returned from `fn`
*
* @see https://grpc.io/docs/guides/deadlines/
*/
withDeadline<R>(deadline: number | Date, fn: () => Promise<R>): Promise<R>;
/**
* Set an {@link AbortSignal} that, when aborted, cancels any ongoing service requests executed in
* `fn`'s scope. This will locally result in the request call throwing a {@link _grpc.ServiceError|ServiceError}
* with code {@link _grpc.status.CANCELLED|CANCELLED}; see {@link isGrpcCancelledError}.
*
* This method is only a convenience wrapper around {@link Connection.withAbortSignal}.
*
* @returns value returned from `fn`
*
* @see https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal
*/
withAbortSignal<R>(abortSignal: AbortSignal, fn: () => Promise<R>): Promise<R>;
/**
* Set metadata for any service requests executed in `fn`'s scope.
*
* This method is only a convenience wrapper around {@link Connection.withMetadata}.
*
* @returns returned value of `fn`
*/
withMetadata<R>(metadata: Metadata, fn: () => Promise<R>): Promise<R>;
protected get dataConverter(): LoadedDataConverter;
}