/**
* Returns an array of nodes that build a cycle for the requested node or it
* returns <b>null</b> if no cycle exists .
*
* @param \PDepend\Source\AST\AbstractASTArtifact $node
* @return \PDepend\Source\AST\AbstractASTArtifact[]
*/
public function getCycle(AbstractASTArtifact $node)
{
if (array_key_exists($node->getId(), $this->collectedCycles)) {
return $this->collectedCycles[$node->getId()];
}
$list = array();
if ($this->collectCycle($list, $node)) {
$this->collectedCycles[$node->getId()] = $list;
} else {
$this->collectedCycles[$node->getId()] = null;
}
return $this->collectedCycles[$node->getId()];
}
/**
* Initializes the temporary node container for the given <b>$node</b>.
*
* @param \PDepend\Source\AST\AbstractASTArtifact $node
* @return void
*/
protected function initNode(AbstractASTArtifact $node)
{
if (!isset($this->nodes[$node->getId()])) {
$this->nodes[$node->getId()] = array('in' => array(), 'out' => array(), 'name' => $node->getName(), 'type' => get_class($node));
}
}
/**
* Tries to restore the metrics for a cached node. If this method has
* restored the metrics it will return <b>TRUE</b>, otherwise the return
* value will be <b>FALSE</b>.
*
* @param \PDepend\Source\AST\AbstractASTArtifact $node
* @return boolean
*/
protected function restoreFromCache(AbstractASTArtifact $node)
{
$id = $node->getId();
if ($node->isCached() && isset($this->metricsCached[$id])) {
$this->metrics[$id] = $this->metricsCached[$id];
return true;
}
return false;
}
/**
* Adds a source item that was parsed from this source file.
*
* @param \PDepend\Source\AST\AbstractASTArtifact $artifact
* @return void
* @since 0.10.0
*/
public function addChild(AbstractASTArtifact $artifact)
{
$this->childNodes[$artifact->getId()] = $artifact;
}
/**
* Returns an array of all efferent nodes.
*
* @param \PDepend\Source\AST\AbstractASTArtifact $node
* @return \PDepend\Source\AST\AbstractASTArtifact[]
*/
public function getEfferents(AbstractASTArtifact $node)
{
$efferents = array();
if (isset($this->efferentNodes[$node->getId()])) {
$efferents = $this->efferentNodes[$node->getId()];
}
return $efferents;
}
