QueryRecvQueue.php

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<?php

/*
 * libasynql
 *
 * Copyright (C) 2018 SOFe
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

declare(strict_types=1);

namespace poggit\libasynql\base;

use poggit\libasynql\SqlError;
use poggit\libasynql\SqlResult;
use Threaded;
use function is_string;
use function serialize;
use function unserialize;

class QueryRecvQueue extends Threaded{
    public function publishResult(int $queryId, SqlResult $result) : void{
        $this[] = serialize([$queryId, $result]);
    }

    public function publishError(int $queryId, SqlError $error){
        $this[] = serialize([$queryId, $error]);
    }

    public function fetchResult(&$queryId, &$result) : bool{
        $row = $this->shift();
        if(is_string($row)){
            [$queryId, $result] = unserialize($row, ["allowed_classes" => true]);
            return true;
        }
        return false;
    }
}