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<?php |
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/** |
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* Cycle ORM Schema Builder. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Cycle\Schema\Definition\Map; |
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use Cycle\Schema\Definition\Field; |
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use Cycle\Schema\Exception\FieldException; |
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/** |
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* Manage the set of fields associated with the entity. |
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*/ |
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final class FieldMap implements \IteratorAggregate, \Countable |
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{ |
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/** @var Field[] */ |
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private $fields = []; |
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/** |
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* Cloning. |
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*/ |
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public function __clone() |
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{ |
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foreach ($this->fields as $name => $field) { |
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$this->fields[$name] = clone $field; |
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} |
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} |
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/** |
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* @return int |
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*/ |
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public function count(): int |
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{ |
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return count($this->fields); |
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} |
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/** |
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* Get field keys |
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* @return array |
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*/ |
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public function getKeys(): array |
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{ |
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return array_keys($this->fields); |
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} |
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/** |
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* @param string $name |
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* @return bool |
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*/ |
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public function has(string $name): bool |
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{ |
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return isset($this->fields[$name]); |
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} |
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/** |
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* @param string $name |
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* @return Field |
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*/ |
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public function get(string $name): Field |
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{ |
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if (!$this->has($name)) { |
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throw new FieldException("Undefined field `{$name}`."); |
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} |
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return $this->fields[$name]; |
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} |
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/** |
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* @param string $name |
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* @param Field $field |
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* @return FieldMap |
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*/ |
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public function set(string $name, Field $field): self |
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{ |
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if ($this->has($name)) { |
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throw new FieldException("Field `{$name}` already exists."); |
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} |
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$this->fields[$name] = $field; |
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return $this; |
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} |
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/** |
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* @param string $name |
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* @return FieldMap |
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*/ |
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public function remove(string $name): self |
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{ |
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unset($this->fields[$name]); |
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return $this; |
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} |
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/** |
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* @return Field[]|\Traversable |
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*/ |
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public function getIterator() |
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{ |
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return new \ArrayIterator($this->fields); |
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} |
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} |
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cycle /
schema-builder
