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<?php |
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/** |
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* NextFlow (http://github.com/nextflow) |
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* |
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* @link http://github.com/nextflow/nextflow-php for the canonical source repository |
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* @copyright Copyright (c) 2014-2016 NextFlow (http://github.com/nextflow) |
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* @license https://raw.github.com/nextflow/nextflow-php/master/LICENSE MIT |
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*/ |
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namespace NextFlow\Core\Node; |
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/** |
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* The base final class for all node types. |
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*/ |
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abstract class AbstractNode implements NodeInterface |
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{ |
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/** |
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* The id of the node. |
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* |
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* @var string |
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*/ |
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private $id; |
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/** |
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* The parameters of this node. |
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* |
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* @var array |
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*/ |
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private $parameters; |
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/** |
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* The sockets that this node has. |
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* |
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* @var Socket[] |
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*/ |
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private $sockets; |
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/** |
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* The value of this node. |
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* |
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* @var mixed |
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*/ |
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private $value; |
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/** |
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* Initializes a new instance of this class. |
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*/ |
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public function __construct() |
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{ |
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$this->parameters = array(); |
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$this->sockets = array(); |
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} |
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/** |
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* Gets the id of the node. |
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* |
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* @return string |
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*/ |
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public function getId() |
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{ |
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if ($this->id === null) { |
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$this->id = spl_object_hash($this); |
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} |
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return $this->id; |
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} |
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/** |
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* Activates the socket with the given index. |
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* |
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* @param string $socket The name of the socket to activate. |
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*/ |
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protected function activate($socket) |
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{ |
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$this->getSocket($socket)->activate(); |
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} |
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/** |
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* Binds the given node to a socket. |
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* |
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* @param string $socketName The name of the socket to bind to. |
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* @param NodeInterface $node The node to bind to. |
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* @return int |
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*/ |
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public function bind($socketName, NodeInterface $node) |
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{ |
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$socket = $this->getSocket($socketName); |
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$socket->addNode($node); |
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return $socket->getNodeCount() - 1; |
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} |
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/** |
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* Creates a socket with the given name. |
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* |
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* @param string $name The name of the scoket to create. |
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*/ |
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protected function createSocket($name) |
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{ |
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if (array_key_exists($name, $this->sockets)) { |
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throw new \InvalidArgumentException('The socket "' . $name . '" already exists.'); |
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} |
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$this->sockets[$name] = new Socket($name); |
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} |
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/** |
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* Gets the socket with the given index. |
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* |
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* @param string $name The name of the socket to get. |
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* @return Socket |
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*/ |
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public function getSocket($name) |
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{ |
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if (!$this->hasSocket($name)) { |
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throw new \InvalidArgumentException('The socket "' . $name . '" does not exist.'); |
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} |
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return $this->sockets[$name]; |
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} |
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/** |
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* Gets a list with all sockets that exist for this node. |
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* |
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* @return Socket[] |
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*/ |
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public function getSockets() |
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{ |
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return $this->sockets; |
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} |
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/** |
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* Checks if the node has a socket with the given name. |
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* |
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* @param string $name The name of the socket to check. |
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* @return bool |
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*/ |
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public function hasSocket($name) |
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{ |
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return array_key_exists($name, $this->sockets); |
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} |
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/** |
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* Gets the parameter with the given name. |
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* |
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* @param string $name The name of the parameter to get. |
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* @return string |
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*/ |
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public function getParam($name) |
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{ |
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if (array_key_exists($name, $this->parameters)) { |
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return $this->parameters[$name]; |
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} |
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return null; |
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} |
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/** |
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* Gets the parameters of this node. |
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* |
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* @return array |
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*/ |
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public function getParams() |
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{ |
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return $this->parameters; |
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} |
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/** |
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* Sets the parameter with the given name. |
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* |
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* @param string $name The name of the parameter to get. |
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* @param mixed $value The value to set. |
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*/ |
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public function setParam($name, $value) |
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{ |
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$this->parameters[$name] = $value; |
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} |
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/** |
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* Gets the value of this node. |
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* |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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* Sets the value of this node. |
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* |
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* @param mixed $value |
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*/ |
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public function setValue($value) |
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{ |
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$this->value = $value; |
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} |
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} |
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