PhabricatorEdgeGraph.php
0a62f13464b8stable

PhabricatorEdgeGraph.php
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			<?php

			final class PhabricatorEdgeGraph extends AbstractDirectedGraph {

			private $edgeType;

			public function setEdgeType($edge_type) {
			$this->edgeType = $edge_type;
			return $this;
			}

			protected function loadEdges(array $nodes) {
			if (!$this->edgeType) {
			throw new Exception('Set edge type before loading graph!');
			}

			$edges = id(new PhabricatorEdgeQuery())
			->withSourcePHIDs($nodes)
			->withEdgeTypes(array($this->edgeType))
			->execute();

			$results = array_fill_keys($nodes, array());
			foreach ($edges as $src => $types) {
			foreach ($types as $type => $dsts) {
			foreach ($dsts as $dst => $edge) {
			$results[$src][] = $dst;
			}
			}
			}

			return $results;
			}

			}