Wikibase\DataModel\Term\AliasGroupFallback

Complexity

Total Complexity

13

Size/Duplication

Total Lines	75
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

4 Methods

Rating	Name	Duplication	Size	Complexity
B	__construct()	0	21	6
A	getActualLanguageCode()	0	3	1
A	getSourceLanguageCode()	0	3	1
A	equals()	0	10	5

<?php

namespace Wikibase\DataModel\Term;

use InvalidArgumentException;

/**
 * Ordered set of aliases resulting from language fall back.
 * Immutable value object.
 *
 * Duplicates and whitespace only values are removed. Values are trimmed.
 *
 * @since 2.4.0
 *
 * @license GPL-2.0-or-later
 * @author Jan Zerebecki < jan.wikimedia@zerebecki.de >
 */
class AliasGroupFallback extends AliasGroup {

	/**
	 * @var string Actual language of the aliases.
	 */
	private $actualLanguageCode;

	/**
	 * @var string|null Source language if the aliases are transliterations.
	 */
	private $sourceLanguageCode;

	/**
	 * @param string $requestedLanguageCode Requested language, not necessarily the language of the
	 * aliases.
	 * @param string[] $aliases
	 * @param string $actualLanguageCode Actual language of the aliases.
	 * @param string|null $sourceLanguageCode Source language if the aliases are transliterations.
	 *
	 * @throws InvalidArgumentException
	 */
	public function __construct(
		$requestedLanguageCode,
		array $aliases,
		$actualLanguageCode,
		$sourceLanguageCode
	) {
		parent::__construct( $requestedLanguageCode, $aliases );

		if ( !is_string( $actualLanguageCode ) || $actualLanguageCode === '' ) {
			throw new InvalidArgumentException( '$actualLanguageCode must be a non-empty string' );
		}

		if ( !( $sourceLanguageCode === null
			|| ( is_string( $sourceLanguageCode ) && $sourceLanguageCode !== '' )
		) ) {
			throw new InvalidArgumentException( '$sourceLanguageCode must be a non-empty string or null' );
		}

		$this->actualLanguageCode = $actualLanguageCode;
		$this->sourceLanguageCode = $sourceLanguageCode;
	}

	/**
	 * @return string
	 */
	public function getActualLanguageCode() {
		return $this->actualLanguageCode;
	}

	/**
	 * @return string|null
	 */
	public function getSourceLanguageCode() {
		return $this->sourceLanguageCode;
	}

	/**
	 *
	 * @param mixed $target
	 *
	 * @return bool
	 */
	public function equals( $target ) {
		if ( $this === $target ) {
			return true;
		}

		return $target instanceof self
			&& parent::equals( $target )
			&& $this->actualLanguageCode === $target->actualLanguageCode
			&& $this->sourceLanguageCode === $target->sourceLanguageCode;
	}

}