33 lines
914 B
TypeScript
33 lines
914 B
TypeScript
export interface StorageCursor {
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limit(num: number): StorageCursor
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sort(params: {}): StorageCursor
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skip(offset: number): StorageCursor
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toArray(): Promise<any[]>
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}
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export class ErrStorage extends Error {}
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export class ErrNoSession extends ErrStorage {}
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export abstract class Storage {
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protected _dsn: string
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constructor(dsn: string) {
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this._dsn = dsn
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}
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abstract find(name: string, query: Object): Promise<StorageCursor>
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abstract save(name: string, uniqKey: string, data: Object): Promise<string>
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abstract createSession(): StorageSession
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abstract count(name: string, query?: object): Promise<number>
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abstract remove(collectionName: string, uniqKeyName: string, uniqKey: string): Promise<boolean>
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}
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export abstract class StorageSession {
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abstract start(options?: {}): Promise<void>
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abstract commit(fn: () => any, options?: {}): Promise<void>
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}
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