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ts-db-helper

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import { DataModel } from '../models/structure/data-model.model'; import { Observable } from 'rxjs/Observable'; /** * @public * @interface ModelMigration * * @description * This interface is a standardized interface to delegate migrations * ModelMigration instance has to be added to {@link NgDbHelperConfiguration} * * @author Olivier Margarit * @since 0.1 */ export interface ModelMigration { /** * @method initModel is a method called when model should be created * * @param {DataModel} dataModel data model generated with model annotations * * @return {Observable<any>} resolved on initModel finish, not value is waited */ initModel(dataModel: DataModel): Observable<any>; /** * @method upgradeModel is a method called when model should be upgrade * * @param {DataModel} dataModel data model generated with model annotations * * @return {Observable<any>} resolved on initModel finish, not value is waited */ upgradeModel(dataModel: DataModel, oldVersion: string): Observable<any>; }