fab2s\YaEtl\Extractors\AggregateExtractor

Complexity

Total Complexity

3

Size/Duplication

Total Lines	41
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	addTraversable()	0	10	2

<?php

/*
 * This file is part of YaEtl.
 *     (c) Fabrice de Stefanis / https://github.com/fab2s/YaEtl
 * This source file is licensed under the MIT license which you will
 * find in the LICENSE file or at https://opensource.org/licenses/MIT
 */

namespace fab2s\YaEtl\Extractors;

use fab2s\NodalFlow\NodalFlowException;
use fab2s\NodalFlow\Nodes\AggregateNode;
use fab2s\NodalFlow\Nodes\PayloadNodeAbstract;
use fab2s\NodalFlow\Nodes\TraversableNodeInterface;
use fab2s\NodalFlow\YaEtlException;
use fab2s\YaEtl\YaEtl;

/**
 * class AggregateExtractor
 */
class AggregateExtractor extends AggregateNode
{
    /**
     * The underlying pseudo Flow
     *
     * @var YaEtl
     */
    protected $payload;

    /**
     * AggregateExtractor constructor.
     *
     * @param $isAReturningVal
     *
     * @throws NodalFlowException
     */
    public function __construct($isAReturningVal)
    {
        PayloadNodeAbstract::__construct(new YaEtl, $isAReturningVal);
        $this->isATraversable = true;
    }

    /**
     * @param TraversableNodeInterface $node
     *
     * @throws NodalFlowException
     * @throws YaEtlException
     *
     * @return $this
     */
    public function addTraversable(TraversableNodeInterface $node)
    {
        if (!($node instanceof ExtractorInterface)) {
            throw new YaEtlException('AggregateExtractor only supports ExtractorInterface Nodes');
        }

        $this->payload->from($node);

        return $this;
    }
}