#FlowModel 持久化

class FlowModelRepository implements IFlowModelRepository<FlowModel> {
  constructor(private app: Application) {}

  async findOne(query) {
    const { uid, parentId } = query;
    // 实现：根据 uid 获取模型
    return null;
  }

  async save(model: FlowModel) {
    console.log('Saving model:', model);
    // 实现：保存模型
    return model;
  }

  async destroy(uid: string) {
    // 实现：根据 uid 删除模型
    return true;
  }
}

flowEngine.setModelRepository(new FlowModelRepository(this.app));

flowEngine.createModel(options); // 创建本地模型实例
flowEngine.getModel(uid);        // 获取本地模型实例
flowEngine.removeModel(uid);     // 移除本地模型实例

await flowEngine.loadModel(uid);     // 从远程加载模型
await flowEngine.saveModel(model);   // 保存模型到远程
await flowEngine.destroyModel(uid);  // 从远程删除模型

const model = this.flowEngine.createModel({
  use: 'FlowModel',
});
await model.save();     // 保存到远程
await model.destroy();  // 从远程删除