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<?php |
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namespace drupol\phpartition; |
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/** |
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* Class BasePartitionAlgorithm. |
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* |
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* @package drupol\phpartition |
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*/ |
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abstract class BasePartitionAlgorithm implements PartitionAlgorithmInterface |
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{ |
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/** |
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* The original data. |
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* |
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* @var array |
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*/ |
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protected $data; |
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/** |
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* A single partition containing the original data in the right format. |
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* |
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* @var Partition |
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*/ |
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protected $dataPartition; |
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/** |
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* The partition container. |
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* |
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* @var PartitionContainer |
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*/ |
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protected $partitionContainer; |
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/** |
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* The function used to compute the value of an item. |
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* |
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* @var callable |
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*/ |
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protected $itemAccessCallback; |
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/** |
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* BasePartitionAlgorithm constructor. |
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*/ |
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public function __construct() |
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{ |
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$this->partitionContainer = new PartitionContainer(); |
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$this->partitionContainer->setAlgo($this); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setData(array $data = array()) |
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{ |
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$this->data = $data; |
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$this->setDataPartition($this->generateDataPartition($this->getData())); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getData() |
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{ |
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return $this->data; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setDataPartition(Partition $partition) |
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{ |
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$this->dataPartition = $partition; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getDataPartition() |
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{ |
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return $this->dataPartition; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function generateDataPartition(array $items = array()) |
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{ |
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return $this->getPartition()->addItems( |
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array_map(function ($item) { |
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if ($item instanceof PartitionItemInterface) { |
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return $item; |
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} |
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return new PartitionItem( |
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$item, |
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$this->getItemAccessCallback() |
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); |
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}, $items) |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setSize($size) |
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{ |
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$this->getPartitionContainer()->setSize($size); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getSize() |
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{ |
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return $this->getPartitionContainer()->getSize(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setItemAccessCallback(callable $callable = null) |
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{ |
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$this->itemAccessCallback = $callable; |
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$this->setData($this->getData()); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getItemAccessCallback() |
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{ |
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return $this->itemAccessCallback; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getPartitionContainer() |
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{ |
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return $this->partitionContainer; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getResult() |
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{ |
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$this->getPartitionContainer()->addItemsToPartition($this->getDataPartition()->toArray()); |
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return $this->getPartitionContainer()->getPartitionsItemsArray(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getPartitionWeight(Partition $partition) |
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{ |
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return $partition->size(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getPartition() |
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{ |
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$partition = new Partition(); |
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$partition->setAlgo($this); |
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return $partition; |
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} |
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} |
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