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<?php |
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/* |
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* This file is part of NodalFlow. |
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* (c) Fabrice de Stefanis / https://github.com/fab2s/NodalFlow |
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* This source file is licensed under the MIT license which you will |
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* find in the LICENSE file or at https://opensource.org/licenses/MIT |
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*/ |
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namespace fab2s\NodalFlow\Flows; |
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use fab2s\NodalFlow\NodalFlowException; |
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use fab2s\NodalFlow\Nodes\NodeInterface; |
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/** |
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* class FlowRegistry |
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*/ |
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class FlowRegistry implements FlowRegistryInterface |
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{ |
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/** |
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* @var array |
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*/ |
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protected static $registry = []; |
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/** |
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* @var FlowInterface[] |
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*/ |
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protected static $flows = []; |
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/** |
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* @var NodeInterface[] |
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*/ |
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protected static $nodes = []; |
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/** |
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* Get registry meta data reference |
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* |
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* @param string $flowId |
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* |
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* @return mixed |
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*/ |
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public function &get(string $flowId) |
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{ |
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return static::$registry[$flowId]; |
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} |
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/** |
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* Used upon FlowMap un-serialization |
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* |
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* @param FlowInterface $flow |
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* @param array $entry |
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* |
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* @throws NodalFlowException |
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* |
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* @return $this |
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*/ |
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public function load(FlowInterface $flow, array $entry): FlowRegistryInterface |
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{ |
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$this->registerFlow($flow); |
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$flowId = $flow->getId(); |
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static::$registry[$flowId] = $entry; |
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foreach ($flow->getNodes() as $node) { |
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$this->registerNode($node); |
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} |
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return $this; |
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} |
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/** |
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* @param FlowInterface $flow |
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* |
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* @throws NodalFlowException |
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* |
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* @return $this |
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*/ |
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public function registerFlow(FlowInterface $flow): FlowRegistryInterface |
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{ |
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$flowId = $flow->getId(); |
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if (isset(static::$flows[$flowId])) { |
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throw new NodalFlowException('Duplicate Flow instances are not allowed', 1, null, [ |
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'flowClass' => get_class($flow), |
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'flowId' => $flowId, |
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]); |
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} |
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static::$flows[$flowId] = $flow; |
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return $this; |
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} |
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/** |
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* @param NodeInterface $node |
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* |
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* @throws NodalFlowException |
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* |
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* @return $this |
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*/ |
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public function registerNode(NodeInterface $node): FlowRegistryInterface |
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{ |
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$nodeId = $node->getId(); |
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if (isset(static::$nodes[$nodeId])) { |
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throw new NodalFlowException('Duplicate Node instances are not allowed', 1, null, [ |
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'nodeClass' => get_class($node), |
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'nodeId' => $nodeId, |
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]); |
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} |
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static::$nodes[$nodeId] = $node; |
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return $this; |
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} |
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/** |
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* @param string $flowId |
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* |
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* @return FlowInterface|null |
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*/ |
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public function getFlow(string $flowId): ? FlowInterface |
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{ |
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return isset(static::$flows[$flowId]) ? static::$flows[$flowId] : null; |
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} |
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/** |
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* @param string $nodeId |
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* |
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* @return NodeInterface|null |
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*/ |
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public function getNode(string $nodeId): ? NodeInterface |
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{ |
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return isset(static::$nodes[$nodeId]) ? static::$nodes[$nodeId] : null; |
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} |
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/** |
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* @param NodeInterface $node |
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* |
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* @return $this |
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*/ |
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public function removeNode(NodeInterface $node): FlowRegistryInterface |
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{ |
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static::$nodes[$node->getId()] = null; |
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return $this; |
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} |
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} |
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fab2s /
NodalFlow
