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<?php |
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namespace Graphp\Graph\Types; |
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use Graphp\Graph\AbstractGraph; |
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use Graphp\Graph\Builder\GraphTypeBuilder; |
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use Graphp\Graph\Builder\GraphBuilder; |
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use Graphp\Util\SupplierUtil; |
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use Graphp\Util\SupplierInterface; |
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/** |
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* Class SimpleGraph |
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* |
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* @package Graphp\Graph\Types |
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*/ |
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class SimpleGraph extends AbstractGraph |
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{ |
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/** |
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* Create a new simple graph |
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* |
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* @param string $edgeClass - the edge class |
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* @param SupplierInterface $vertexSupplier - the vertex supplier |
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* @param SupplierInterface $edgeSupplier - the edge supplier |
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* @param bool $weighted - if the graph is weighted |
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*/ |
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public function __construct( |
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?string $edgeClass = null, |
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?SupplierInterface $vertexSupplier = null, |
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?SupplierInterface $edgeSupplier = null, |
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?bool $weighted = null |
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) { |
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$builder = new GraphTypeBuilder(); |
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$graphType = $builder->undirected() |
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->allowSelfLoops(false) |
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->allowMultipleEdges(false) |
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->weighted($weighted) |
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->build(); |
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if (!is_null($edgeClass)) { |
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$util = new SupplierUtil(); |
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$edgeSupplier = $util->createSupplier($edgeClass); |
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parent::__construct( |
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$vertexSupplier, |
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$edgeSupplier, |
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$graphType |
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); |
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} else { |
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parent::__construct( |
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$vertexSupplier, |
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$edgeSupplier, |
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$graphType |
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); |
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} |
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} |
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/** |
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* Create a simple graph builder |
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* |
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* @param string $edgeClass - the edge class |
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* @param SupplierInterface $edgeSupplier - the edge supplier |
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* |
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* @return GraphBuilder |
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*/ |
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public function createBuilder(?string $edgeClass = null, ?SupplierInterface $edgeSupplier = null): GraphBuilder |
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{ |
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if (!is_null($edgeClass)) { |
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return new GraphBuilder(new SimpleGraph($edgeClass)); |
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} |
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return new GraphBuilder(new SimpleGraph(null, $edgeSupplier)); |
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} |
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} |
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bingo-soft /
graphp
