49 lines
3.0 KiB
TypeScript
49 lines
3.0 KiB
TypeScript
/// <reference types="node" />
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import { EntityDict, RowStore, OperateOption, OperationResult, SelectOption, Context, TxnOption, OpRecord, AggregationResult } from "../types";
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import { IncomingHttpHeaders } from "http";
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export declare abstract class AsyncContext<ED extends EntityDict> implements Context {
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private rowStore;
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private uuid?;
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opRecords: OpRecord<ED>[];
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private scene?;
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private headers?;
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events: {
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commit: Array<() => Promise<void>>;
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rollback: Array<() => Promise<void>>;
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};
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constructor(store: AsyncRowStore<ED, AsyncContext<ED>>, headers?: IncomingHttpHeaders);
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setHeaders(headers: IncomingHttpHeaders): void;
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getHeader(key: string): string | string[] | undefined;
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getScene(): string | undefined;
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setScene(scene?: string): void;
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private resetEvents;
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on(event: 'commit' | 'rollback', callback: () => Promise<void>): void;
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/**
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* 一个context中不应该有并发的事务，这里将事务串行化，使用的时候千万要注意不要自己等自己
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* @param options
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*/
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begin(options?: TxnOption): Promise<void>;
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commit(): Promise<void>;
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rollback(): Promise<void>;
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operate<T extends keyof ED, OP extends OperateOption>(entity: T, operation: ED[T]['Operation'], option: OP): Promise<OperationResult<ED>>;
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select<T extends keyof ED, OP extends SelectOption>(entity: T, selection: ED[T]['Selection'], option: OP): Promise<Partial<ED[T]["Schema"]>[]>;
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aggregate<T extends keyof ED, OP extends SelectOption>(entity: T, aggregation: ED[T]['Aggregation'], option: OP): Promise<AggregationResult<ED[T]["Schema"]>>;
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count<T extends keyof ED, OP extends SelectOption>(entity: T, selection: Pick<ED[T]['Selection'], 'filter' | 'count'>, option: OP): Promise<number>;
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mergeMultipleResults(toBeMerged: OperationResult<ED>[]): OperationResult<ED>;
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getCurrentTxnId(): string | undefined;
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getSchema(): import("../types").StorageSchema<ED>;
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abstract isRoot(): boolean;
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abstract getCurrentUserId(allowUnloggedIn?: boolean): string | undefined;
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abstract toString(): string;
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abstract allowUserUpdate(): boolean;
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}
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export interface AsyncRowStore<ED extends EntityDict, Cxt extends Context> extends RowStore<ED> {
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operate<T extends keyof ED, OP extends OperateOption>(entity: T, operation: ED[T]['Operation'], context: Cxt, option: OP): Promise<OperationResult<ED>>;
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select<T extends keyof ED, OP extends SelectOption>(entity: T, selection: ED[T]['Selection'], context: Cxt, option: OP): Promise<Partial<ED[T]['Schema']>[]>;
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aggregate<T extends keyof ED, OP extends SelectOption>(entity: T, aggregation: ED[T]['Aggregation'], context: Cxt, option: OP): Promise<AggregationResult<ED[T]['Schema']>>;
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count<T extends keyof ED, OP extends SelectOption>(entity: T, selection: Pick<ED[T]['Selection'], 'filter' | 'count'>, context: Cxt, option: OP): Promise<number>;
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begin(option?: TxnOption): Promise<string>;
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commit(txnId: string): Promise<void>;
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rollback(txnId: string): Promise<void>;
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}
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