ArekX\PQL\QueryRunner

Complexity

Total Complexity

11

Size/Duplication

Total Lines	100
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

9 Methods

Rating	Name	Duplication	Size	Complexity
A	fetchAll()	0	3	1
A	fetchReader()	0	3	1
A	__construct()	0	8	3
A	useDriver()	0	4	1
A	run()	0	3	1
A	create()	0	3	1
A	fetch()	0	3	1
A	useBuilder()	0	4	1
A	fetchFirst()	0	3	1

<?php
/**
 * Copyright 2021 Aleksandar Panic
 *
 * 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.
 */

namespace ArekX\PQL;

use ArekX\PQL\Contracts\Driver;
use ArekX\PQL\Contracts\QueryBuilder;
use ArekX\PQL\Contracts\ResultReader;
use ArekX\PQL\Contracts\StructuredQueryRunner;
use ArekX\PQL\Contracts\ResultBuilder;
use ArekX\PQL\Contracts\StructuredQuery;

/**
 * Runner for queries for allowing easy use of the
 * driver and builder.
 */
class QueryRunner implements StructuredQueryRunner
{
    /**
     * Current driver in use.
     * @var Driver
     */
    public Driver $driver;

    /**
     * Current query builder in use.
     *
     * @var QueryBuilder
     */
    public QueryBuilder $builder;

    /**
     * Creates a new instance of this runner
     *
     * @param Driver|null $driver Driver to be set to be used
     * @param QueryBuilder|null $builder Builder to be used
     * @return static
     */
    public static function create(?Driver $driver = null, ?QueryBuilder $builder = null): static
    {
        return new static($driver, $builder);
    }

    /**
     * Creates new instance of this runner
     *
     * @param Driver|null $driver Driver to be set to be used
     * @param QueryBuilder|null $builder Builder to be used
     */
    public function __construct(?Driver $driver = null, ?QueryBuilder $builder = null)
    {
        if ($driver) {
            $this->useDriver($driver);
        }

        if ($builder) {
            $this->useBuilder($builder);
        }
    }

    /**
     * @inheritDoc
     */
    public function useDriver(Driver $driver): static
    {
        $this->driver = $driver;
        return $this;
    }

    /**
     * @inheritDoc
     */
    public function useBuilder(QueryBuilder $builder): static
    {
        $this->builder = $builder;
        return $this;
    }

    /**
     * @inheritDoc
     */
    public function run(StructuredQuery $query): mixed
    {
        return $this->driver->run($this->builder->build($query));
    }

    /**
     * @inheritDoc
     */
    public function fetchFirst(StructuredQuery $query): mixed
    {
        return $this->driver->fetchFirst($this->builder->build($query));
    }

    /**
     * @inheritDoc
     */
    public function fetchAll(StructuredQuery $query): array
    {
        return $this->driver->fetchAll($this->builder->build($query));
    }

    /**
     * @inheritDoc
     */
    public function fetch(StructuredQuery $query): ResultBuilder
    {
        return $this->driver->fetch($this->builder->build($query));
    }

    /**
     * @inheritDoc
     */
    public function fetchReader(StructuredQuery $query): ResultReader
    {
        return $this->driver->fetchReader($this->builder->build($query));
    }
}