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<?php |
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/* |
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* This file is part of the bisarca/graph package. |
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* |
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* (c) Emanuele Minotto <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Bisarca\Graph\Edge; |
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use Bisarca\Graph\Attribute\AttributeAwareInterface; |
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use Bisarca\Graph\Attribute\AttributeAwareTrait; |
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use Bisarca\Graph\Vertex\VertexInterface; |
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/** |
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* Basic edge implementation. |
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*/ |
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class Edge implements EdgeInterface, AttributeAwareInterface |
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{ |
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use AttributeAwareTrait; |
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use Descriptor\LoopTrait; |
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/** |
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* Starting vertex. |
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* |
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* @var VertexInterface|null |
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*/ |
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private $vertexStart; |
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/** |
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* Ending vertex. |
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* |
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* @var VertexInterface|null |
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*/ |
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private $vertexEnd; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct( |
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VertexInterface $vertexStart = null, |
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VertexInterface $vertexEnd = null |
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) { |
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$this->vertexStart = $vertexStart; |
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$this->vertexEnd = $vertexEnd; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasVertexStart(): bool |
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{ |
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return null !== $this->vertexStart; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getVertexStart(): VertexInterface |
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{ |
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return $this->vertexStart; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setVertexStart(VertexInterface $vertexStart) |
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{ |
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$this->vertexStart = $vertexStart; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasVertexEnd(): bool |
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{ |
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return null !== $this->vertexEnd; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getVertexEnd(): VertexInterface |
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{ |
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return $this->vertexEnd; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setVertexEnd(VertexInterface $vertexEnd) |
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{ |
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$this->vertexEnd = $vertexEnd; |
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} |
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} |
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bisarca /
graph
