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<?php |
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namespace drupol\phpartition; |
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class Subset implements \Countable |
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{ |
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/** |
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* @var BasePartitionAlgorithm |
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*/ |
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protected $algo; |
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/** |
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* @var SubsetItem[] |
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*/ |
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protected $items; |
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/** |
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* @return int |
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*/ |
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public function count() |
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{ |
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return count($this->getItems()); |
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} |
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/** |
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* @param \drupol\phpartition\SubsetItem $item |
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*/ |
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public function addItem(SubsetItem $item) |
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{ |
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$this->items[$item->getKey()] = $item; |
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} |
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/** |
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* @param SubsetItem[] $items |
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*/ |
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public function addItems(array $items = array()) |
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{ |
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foreach ($items as $item) { |
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$this->addItem($item); |
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} |
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} |
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/** |
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* @return SubsetItem[] |
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*/ |
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public function getItems() |
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{ |
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return (array) $this->items; |
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} |
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/** |
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* @param SubsetItem[] $items |
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*/ |
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public function setItems(array $items = array()) |
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{ |
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$this->items = $items; |
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} |
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/** |
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* @return array |
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*/ |
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public function getItemsValues() |
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{ |
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$data = array(); |
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foreach ($this->getItems() as $item) { |
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$data[$item->getKey()] = $item->getValue(); |
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} |
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return $data; |
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} |
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/** |
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* @return array |
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*/ |
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public function getRawItems() |
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{ |
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$data = array(); |
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foreach ($this->getItems() as $item) { |
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$data[] = $item->getItem(); |
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} |
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return $data; |
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} |
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/** |
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* @return int |
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*/ |
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public function getWeight() |
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{ |
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$sum = 0; |
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foreach ((array) $this->items as $item) { |
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$sum += $item->getValue(); |
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} |
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return $sum; |
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} |
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/** |
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* @param \drupol\phpartition\BasePartitionAlgorithm $algo |
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*/ |
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public function setAlgo(BasePartitionAlgorithm $algo) |
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{ |
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$this->algo = $algo; |
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} |
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/** |
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* @return BasePartitionAlgorithm |
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*/ |
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public function getAlgo() |
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{ |
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return $this->algo; |
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} |
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/** |
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* Clear the subset. |
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*/ |
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public function clear() |
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{ |
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$this->setItems(); |
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} |
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/** |
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* @param $key |
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* |
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* @return \drupol\phpartition\SubsetItem |
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*/ |
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public function getItem($key) |
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{ |
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return $this->items[$key]; |
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} |
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/** |
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* @param SubsetItem[] $items |
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*/ |
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public function deleteItems(array $items = array()) |
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{ |
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foreach ($items as $item) { |
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$this->delete($item); |
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} |
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} |
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/** |
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* @param \drupol\phpartition\SubsetItem $item |
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*/ |
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public function delete(SubsetItem $item) |
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{ |
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foreach ($this->items as $key => $value) { |
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if ($value->getKey() == $item->getKey()) { |
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unset($this->items[$key]); |
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} |
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} |
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} |
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/** |
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* @param string $order |
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* |
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* @return $this |
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*/ |
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public function sortByValue($order = 'ASC') |
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{ |
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$data = $this->getItems(); |
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if ('ASC' == $order) { |
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usort($data, function ($itemA, $itemB) { |
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return $itemA->getValue() > $itemB->getValue(); |
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}); |
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} |
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if ('DESC' == $order) { |
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usort($data, function ($itemA, $itemB) { |
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return $itemA->getValue() < $itemB->getValue(); |
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}); |
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} |
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$this->setItems($data); |
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return $this; |
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} |
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} |
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drupol /
phpartition
