Completed
Pull Request — master (#66)
by Richard van
04:29
created

Item::getFirstItem()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 0
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 4
ccs 0
cts 0
cp 0
rs 10
c 0
b 0
f 0
cc 1
nc 1
nop 1
crap 2
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<?php
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/**
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 * micrometa
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 *
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 * @category   Jkphl
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 * @package    Jkphl\Micrometa
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 * @subpackage Jkphl\Micrometa\Ports
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 * @author     Joschi Kuphal <[email protected]> / @jkphl
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 * @copyright  Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl
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 * @license    http://opensource.org/licenses/MIT The MIT License (MIT)
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 */
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/***********************************************************************************
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 *  The MIT License (MIT)
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 *
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 *  Copyright © 2018 Joschi Kuphal <[email protected]> / @jkphl
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 *
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 *  Permission is hereby granted, free of charge, to any person obtaining a copy of
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 *  this software and associated documentation files (the "Software"), to deal in
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 *  the Software without restriction, including without limitation the rights to
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 *  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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 *  the Software, and to permit persons to whom the Software is furnished to do so,
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 *  subject to the following conditions:
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 *
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 *  The above copyright notice and this permission notice shall be included in all
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 *  copies or substantial portions of the Software.
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 *
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 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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 *  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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 *  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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 *  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 *  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 ***********************************************************************************/
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namespace Jkphl\Micrometa\Ports\Item;
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use Jkphl\Micrometa\Application\Contract\ValueInterface;
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use Jkphl\Micrometa\Application\Factory\AliasFactory;
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use Jkphl\Micrometa\Application\Factory\PropertyListFactory;
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use Jkphl\Micrometa\Application\Item\ItemInterface as ApplicationItemInterface;
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use Jkphl\Micrometa\Application\Item\PropertyListInterface;
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use Jkphl\Micrometa\Domain\Exceptions\OutOfBoundsException as DomainOutOfBoundsException;
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use Jkphl\Micrometa\Domain\Item\Iri;
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use Jkphl\Micrometa\Infrastructure\Factory\ItemFactory;
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use Jkphl\Micrometa\Infrastructure\Factory\ProfiledNamesFactory;
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use Jkphl\Micrometa\Infrastructure\Parser\ProfiledNamesList;
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use Jkphl\Micrometa\Ports\Exceptions\InvalidArgumentException;
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use Jkphl\Micrometa\Ports\Exceptions\OutOfBoundsException;
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/**
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 * Micro information item
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 *
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 * @package    Jkphl\Micrometa
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 * @subpackage Jkphl\Micrometa\Ports
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 */
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class Item implements ItemInterface, ItemListFacade
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{
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    /**
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     * Application item
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     *
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     * @var ApplicationItemInterface
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     */
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    protected $item;
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    /**
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     * @var ItemList
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     */
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    private $itemList;
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    /**
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     * Item constructor
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     *
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     * @param ApplicationItemInterface $item Application item
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     */
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    public function __construct(ApplicationItemInterface $item)
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    {
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        $this->item = $item;
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        $this->itemList = new ItemList(ItemFactory::createFromApplicationItems($this->item->getChildren()));
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    }
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    /**
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     * Get the first value of an item property
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     *
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     * @param string $name Item property name
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     *
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     * @return ValueInterface|ValueInterface[]|array|ItemInterface First value of an item property
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     * @api
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     */
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    public function __get($name)
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    {
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        return $this->getProperty($name, null, 0);
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    }
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    /**
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     * Get a single property (value)
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     *
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     * @param string|\stdClass|Iri $name Property name
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     * @param string $profile            Property profile
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     * @param int|null $index            Property value index
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     *
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     * @return ValueInterface|ValueInterface[]|array|ItemInterface Property value(s)
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     * @throws OutOfBoundsException If the property name is unknown
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     * @throws OutOfBoundsException If the property value index is out of bounds
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     * @api
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     */
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    public function getProperty($name, $profile = null, $index = null)
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    {
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        try {
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            $propertyValues = $this->item->getProperty($name, $profile);
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        } catch (DomainOutOfBoundsException $exception) {
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            throw new OutOfBoundsException($exception->getMessage(), $exception->getCode());
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        }
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        // Return the value(s)
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        return ($index === null) ?
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            array_map([$this, 'getPropertyValue'], $propertyValues) : $this->getPropertyIndex($propertyValues, $index);
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    }
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    /**
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     * Return a particular property index
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     *
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     * @param ValueInterface[] $propertyValues Property values
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     * @param int $index                       Property value index
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     *
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     * @return ValueInterface|ItemInterface
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     */
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    protected function getPropertyIndex(array $propertyValues, $index)
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    {
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        // If the property value index is out of bounds
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        if (!isset($propertyValues[$index])) {
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            throw new OutOfBoundsException(
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                sprintf(OutOfBoundsException::INVALID_PROPERTY_VALUE_INDEX_STR, $index),
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                OutOfBoundsException::INVALID_PROPERTY_VALUE_INDEX
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            );
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        }
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        return $this->getPropertyValue($propertyValues[$index]);
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    }
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    /**
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     * Prepare a property value for returning it
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     *
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     * @param ValueInterface $value Property value
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     *
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     * @return ValueInterface|ItemInterface Returnable property value
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     */
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    protected function getPropertyValue(ValueInterface $value)
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    {
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        return ($value instanceof ApplicationItemInterface) ?
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            ItemFactory::createFromApplicationItem($value) : $value;
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    }
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    /**
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     * Return whether the item is of a particular type (or contained in a list of types)
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     *
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     * The item type(s) can be specified in a variety of ways, @see ProfiledNamesFactory::createFromArguments()
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     *
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     * @param array ...$types Item types
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     *
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     * @return boolean Item type is contained in the list of types
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     * @api
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     */
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    public function isOfType(...$types)
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    {
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        /** @var ProfiledNamesList $profiledTypes */
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        $profiledTypes = ProfiledNamesFactory::createFromArguments($types);
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        $aliasFactory  = new AliasFactory();
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        // Run through all item types
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        /** @var \stdClass $itemType */
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        foreach ($this->item->getType() as $itemType) {
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            $itemTypeNames = $aliasFactory->createAliases($itemType->name);
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            if ($this->isOfProfiledTypes($itemType->profile, $itemTypeNames, $profiledTypes)) {
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                return true;
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            }
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        }
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        return false;
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    }
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    /**
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     * Return whether an aliased item type is contained in a set of query types
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     *
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     * @param string $profile          Type profile
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     * @param array $names             Aliased type names
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     * @param ProfiledNamesList $types Query types
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     *
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     * @return bool Item type is contained in the set of query types
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     */
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    protected function isOfProfiledTypes($profile, array $names, ProfiledNamesList $types)
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    {
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        // Run through all query types
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        /** @var \stdClass $queryType */
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        foreach ($types as $queryType) {
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            if ($this->isTypeInNames($queryType, $profile, $names)) {
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                return true;
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            }
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        }
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        return false;
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    }
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    /**
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     * Test whether a type is contained in a list of names
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     *
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     * @param \stdClass $type Type
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     * @param string $profile Type profile
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     * @param array $names    Aliased type names
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     *
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     * @return bool Type is contained in names list
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     */
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    protected function isTypeInNames($type, $profile, array $names)
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    {
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        return in_array($type->name, $names) &&
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               (($type->profile === null) ? true : ($type->profile == $profile));
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    }
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    /**
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     * Get all values of the first available property in a stack
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     *
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     * The property stack can be specified in a variety of ways, @see ProfiledNamesFactory::createFromArguments()
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     *
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     * @param array $properties Properties
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     *
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     * @return ValueInterface[]|array Property values
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     * @throws InvalidArgumentException If no property name was given
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     * @throws OutOfBoundsException If none of the requested properties is known
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     * @api
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     */
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    public function getFirstProperty(...$properties)
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    {
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        /** @var ProfiledNamesList $properties */
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        $properties = ProfiledNamesFactory::createFromArguments(func_get_args());
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        // Prepare a default exception
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        $exception = new OutOfBoundsException(
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            OutOfBoundsException::NO_MATCHING_PROPERTIES_STR,
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            OutOfBoundsException::NO_MATCHING_PROPERTIES
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        );
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        // Run through all properties
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        foreach ($properties as $property) {
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            try {
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                return (array)$this->getProperty($property->name, $property->profile);
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            } catch (OutOfBoundsException $exception) {
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                continue;
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            }
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        }
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        throw $exception;
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    }
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    /**
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     * Return all properties
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     *
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     * @return PropertyListInterface Properties
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     * @api
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     */
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    public function getProperties()
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    {
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        $propertyList = (new PropertyListFactory())->create();
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        foreach ($this->item->getProperties() as $propertyName => $propertyValues) {
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            $propertyList[$propertyName] = array_map([$this, 'getPropertyValue'], $propertyValues);
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        }
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        return $propertyList;
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    }
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    /**
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     * Return an object representation of the item
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     *
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     * @return \stdClass Micro information item
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     * @api
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     */
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    public function toObject()
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    {
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        return $this->item->export();
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    }
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    /**
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     * Get the item type
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     *
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     * @return \stdClass[] Item type
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     * @api
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     */
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    public function getType()
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    {
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        return $this->item->getType();
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    }
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    /**
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     * Get the item format
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     *
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     * @return int Item format
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     * @api
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     */
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    public function getFormat()
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    {
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        return $this->item->getFormat();
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    }
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    /**
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     * Get the item ID
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     *
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     * @return string Item ID
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     * @api
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     */
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    public function getId()
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    {
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        return $this->item->getId();
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    }
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    /**
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     * Get the item language
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     *
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     * @return string Item language
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     * @api
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     */
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    public function getLanguage()
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    {
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        return $this->item->getLanguage();
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    }
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    /**
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     * Return the item value
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     *
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     * @return string Item value
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     * @api
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     */
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    public function getValue()
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    {
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        return $this->item->getValue();
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    }
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    /**
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     * Filter the items by item type(s).
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     *
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     * @param array ...$types Item types
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     *
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     * @return ItemInterface[] Items matching the requested types
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     */
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    public function getItems(...$types)
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    {
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        return $this->itemList->getItems(...$types);
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    }
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    /**
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     * Return the first item, optionally of particular types.
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     *
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     * @param array ...$types Item types
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     *
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     * @return ItemInterface Item
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     */
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    public function getFirstItem(...$types)
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    {
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        return $this->itemList->getFirstItem(...$types);
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    }
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    /**
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     * Count the elements in the item list.
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     *
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     * @return int
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     */
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    public function count()
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    {
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        return $this->itemList->count();
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    }
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}
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