phpDocumentor / phpDocumentor

src/phpDocumentor/Descriptor/InterfaceDescriptor.php

<?php
/**
 * phpDocumentor
 *
 * PHP Version 5.3
 *
 * @copyright 2010-2014 Mike van Riel / Naenius (http://www.naenius.com)
 * @license   http://www.opensource.org/licenses/mit-license.php MIT
 * @link      http://phpdoc.org
 */

namespace phpDocumentor\Descriptor;

/**
 * Descriptor representing an Interface.
 */
class InterfaceDescriptor extends DescriptorAbstract implements Interfaces\InterfaceInterface
{
    /** @var Collection $extends */
    protected $parents;

    /** @var Collection $constants */
    protected $constants;

    /** @var Collection $methods */
    protected $methods;

    /**
     * Initializes the all properties representing a collection with a new Collection object.
     */
    public function __construct()
    {
        parent::__construct();

        $this->setParent(new Collection());
        $this->setConstants(new Collection());
        $this->setMethods(new Collection());
    }

    /**
     * {@inheritDoc}
     */
    public function setParent($parents)
    {
        $this->parents = $parents;
    }

    /**
     * {@inheritDoc}
     */
    public function getParent()
    {
        return $this->parents;
    }

    /**
     * {@inheritDoc}
     */
    public function setConstants(Collection $constants)
    {
        $this->constants = $constants;
    }

    /**
     * {@inheritDoc}
     */
    public function getConstants()
    {
        return $this->constants;
    }

    /**
     * {@inheritDoc}
     */
    public function getInheritedConstants()
    {
        if (!$this->getParent() || !$this->getParent() instanceof Collection || $this->getParent()->count() === 0) {
            return new Collection();
        }

        $inheritedConstants = new Collection();

        /** @var self $parent */
        foreach ($this->getParent() as $parent) {
            if (!$parent instanceof Interfaces\InterfaceInterface) {
                continue;
            }

            $inheritedConstants = $inheritedConstants->merge($parent->getConstants());
            $inheritedConstants = $inheritedConstants->merge($parent->getInheritedConstants());
        }

        return $inheritedConstants;
    }

    /**
     * {@inheritDoc}
     */
    public function setMethods(Collection $methods)
    {
        $this->methods = $methods;
    }

    /**
     * {@inheritDoc}
     */
    public function getMethods()
    {
        return $this->methods;
    }

    /**
     * {@inheritDoc}
     */
    public function getInheritedMethods()
    {
        if (!$this->getParent() || !$this->getParent() instanceof Collection || $this->getParent()->count() === 0) {
            return new Collection();
        }

        $inheritedMethods = new Collection();

        /** @var self $parent */
        foreach ($this->getParent() as $parent) {
            if (!$parent instanceof Interfaces\InterfaceInterface) {
                continue;
            }

            $inheritedMethods = $inheritedMethods->merge($parent->getMethods());
            $inheritedMethods = $inheritedMethods->merge($parent->getInheritedMethods());
        }

        return $inheritedMethods;
    }

    public function setPackage($package)
    {
        parent::setPackage($package);

        foreach ($this->getConstants() as $constant) {
            $constant->setPackage($package);
        }

        foreach ($this->getMethods() as $method) {
            $method->setPackage($package);
        }
    }

    public function getInheritedElement()
    {
        return $this->getParent() && $this->getParent()->count() > 0
            ? $this->getParent()->getIterator()->current()

It seems like you code against a concrete implementation and not the interface Traversable as the method current() does only exist in the following implementations of said interface: APCUIterator, AppendIterator, ArrayIterator, Behat\Behat\Gherkin\Specification\LazyFeatureIterator, Behat\Testwork\Specification\GroupedSpecificationIterator, Behat\Testwork\Specification\NoSpecificationsIterator, Behat\Testwork\Specification\SpecificationArrayIterator, CachingIterator, CallbackFilterIterator, CoreTestIterator, DirectoryIterator, EmptyIterator, File_Iterator, FilesystemIterator, FilterIterator, Generator, GlobIterator, HttpMessage, HttpRequestPool, Imagick, ImagickPixelIterator, InfiniteIterator, Issue523, IteratorIterator, LimitIterator, MongoCommandCursor, MongoCursor, MongoGridFSCursor, MultipleIterator, NoRewindIterator, PHPUnit\Framework\TestSuiteIterator, PHPUnit\Runner\Filter\ExcludeGroupFilterIterator, PHPUnit\Runner\Filter\GroupFilterIterator, PHPUnit\Runner\Filter\IncludeGroupFilterIterator, PHPUnit\Runner\Filter\NameFilterIterator, PHP_Token_Stream, ParentIterator, Phar, PharData, PharIo\Manifest\AuthorCollectionIterator, PharIo\Manifest\AuthorElementCollection, PharIo\Manifest\BundledComponentCollectionIterator, PharIo\Manifest\ComponentElementCollection, PharIo\Manifest\ElementCollection, PharIo\Manifest\ExtElementCollection, PharIo\Manifest\RequirementCollectionIterator, Pimple\ServiceIterator, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveCallbackFilterIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, SQLiteResult, SebastianBergmann\CodeCoverage\Node\Iterator, SimpleXMLIterator, SplDoublyLinkedList, SplFileObject, SplFixedArray, SplHeap, SplMaxHeap, SplMinHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, Symfony\Component\Finder\Iterator\CustomFilterIterator, Symfony\Component\Finder\Iterator\DateRangeFilterIterator, Symfony\Component\Finder\Iterator\DepthRangeFilterIterator, Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator, Symfony\Component\Finder\Iterator\FilePathsIterator, Symfony\Component\Finder\Iterator\FileTypeFilterIterator, Symfony\Component\Finder\Iterator\FilecontentFilterIterator, Symfony\Component\Finder\Iterator\FilenameFilterIterator, Symfony\Component\Finder\Iterator\FilterIterator, Symfony\Component\Finder\Iterator\MultiplePcreFilterIterator, Symfony\Component\Finder\Iterator\PathFilterIterator, Symfony\Component\Finder\Iterator\RecursiveDirectoryIterator, Symfony\Component\Finder\Iterator\SizeRangeFilterIterator, Symfony\Component\Finder\Tests\Iterator\InnerNameIterator, Symfony\Component\Finder\Tests\Iterator\InnerSizeIterator, Symfony\Component\Finder\Tests\Iterator\InnerTypeIterator, Symfony\Component\Finder\Tests\Iterator\Iterator, Symfony\Component\Finder\Tests\Iterator\MockFileListIterator, Symfony\Component\Finder\Tests\Iterator\TestMultiplePcreFilterIterator, TestIterator, TestIterator2, TheSeer\Tokenizer\TokenCollection, TwigTestFoo, Twig\Util\TemplateDirIterator, Twig_Util_TemplateDirIterator, Zend\Cache\Storage\Adapter\ApcIterator, Zend\Cache\Storage\Adapter\ApcuIterator, Zend\Cache\Storage\Adapter\DbaIterator, Zend\Cache\Storage\Adapter\FilesystemIterator, Zend\Cache\Storage\Adapter\KeyListIterator, Zend\Config\Config, Zend\EventManager\ResponseCollection, Zend\Hydrator\Iterator\HydratingArrayIterator, Zend\Hydrator\Iterator\HydratingIteratorIterator, Zend\Stdlib\FastPriorityQueue, Zend\Stdlib\Hydrator\Iterator\HydratingArrayIterator, Zend\Stdlib\Hydrator\Iterator\HydratingIteratorIterator, Zend\Stdlib\PriorityList, Zend\Stdlib\SplPriorityQueue, Zend\Stdlib\SplQueue, Zend\Stdlib\SplStack, ezcBaseAutoloadOptions, ezcBaseOptions, ezcBaseTestOptions, ezcDocumentBBCodeOptions, ezcDocumentConverterOptions, ezcDocumentDocbookOptions, ezcDocumentDocbookToEzXmlConverterOptions, ezcDocumentDocbookToHtmlConverterOptions, ezcDocumentDocbookToHtmlXsltConverterOptions, ezcDocumentDocbookToOdtConverterOptions, ezcDocumentDocbookToRstConverterOptions, ezcDocumentDocbookToWikiConverterOptions, ezcDocumentEzXmlOptions, ezcDocumentEzXmlToDocbookConverterOptions, ezcDocumentHtmlConverterOptions, ezcDocumentOdtOptions, ezcDocumentOptions, ezcDocumentParserOptions, ezcDocumentPdfFooterOptions, ezcDocumentPdfOptions, ezcDocumentRstOptions, ezcDocumentWikiOptions, ezcDocumentXhtmlOptions, ezcDocumentXmlOptions, ezcDocumentXsltConverterOptions, org\bovigo\vfs\vfsStreamContainerIterator, phpDocumentor\Compiler\Compiler, phpDocumentor\Reflection\Php\Factory\ClassConstantIterator, phpDocumentor\Reflection\Php\Factory\PropertyIterator, phpDocumentor\Transformer\Router\Queue, phpDocumentor\Transformer\Template.

            : null;
    }
}