import {ErrorWithContext} from "../../util";
import {Container} from "../../di";
import {ResultIterable} from "./result/ResultIterable";
import {QueryRow} from "../types";
import {AbstractBuilder} from "./AbstractBuilder";
import {AbstractResultIterable} from "./result/AbstractResultIterable";

/**
 * Implementation of the abstract builder class that returns simple QueryRow objects.
 */
export class Builder extends AbstractBuilder<QueryRow> {
    public getNewInstance(): AbstractBuilder<QueryRow> {
        return Container.getContainer().make<Builder>(Builder);
    }

    public getResultIterable(): AbstractResultIterable<QueryRow> {
        if ( !this._connection ) {
            throw new ErrorWithContext(`No connection specified to fetch iterator for query.`)
        }

        return Container.getContainer().make<ResultIterable>(ResultIterable, this, this._connection)
    }
}