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<?php |
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declare(strict_types=1); |
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/** |
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* Foreign_Key definition |
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* |
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* Extracted from Table_Index from 0.2.* |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @since 0.3.0 |
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* @author Glynn Quelch <[email protected]> |
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* @license http://www.opensource.org/licenses/mit-license.html MIT License |
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* @package PinkCrab\Table_Builder |
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*/ |
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namespace PinkCrab\Table_Builder; |
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use PinkCrab\Table_Builder\Index; |
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class Foreign_Key { |
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/** |
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* Index name |
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* |
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* @since 0.1.0 |
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* @var string |
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*/ |
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protected $key_name; |
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/** |
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* Column referenced |
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* |
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* @since 0.1.0 |
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* @var string |
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*/ |
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protected $column; |
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/** |
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* Sets the reference column |
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* |
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* @since 0.1.0 |
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* @var string|null |
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*/ |
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protected $reference_column; |
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/** |
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* The table used. |
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* |
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* @since 0.1.0 |
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* @var string|null |
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*/ |
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protected $reference_table; |
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/** |
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* Action to execute on update. |
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* |
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* @since 0.1.0 |
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* @var string |
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*/ |
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protected $on_update = ''; |
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/** |
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* Action to execute on delete. |
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* |
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* @since 0.1.0 |
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* @var string |
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*/ |
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protected $on_delete = ''; |
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public function __construct( string $column, ?string $key_name = null ) { |
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$this->key_name = $key_name ?? 'fk_' . $column; |
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$this->column = $column; |
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} |
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/** |
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* Shortcut for definig the reference table and column. |
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* |
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* @param string $reference_table |
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* @param string $reference_column |
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* @return self |
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*/ |
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public function reference( string $reference_table, string $reference_column ): self { |
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$this->reference_column = $reference_column; |
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$this->reference_table = $reference_table; |
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return $this; |
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} |
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/** |
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* Set the reference table |
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* |
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* @since 0.1.0 |
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* @param string $reference_table |
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* @return self |
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*/ |
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public function reference_table( string $reference_table ): self { |
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$this->reference_table = $reference_table; |
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return $this; |
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} |
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/** |
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* Add reference_column to the key. |
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* |
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* @since 0.1.0 |
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* @param string $reference_column |
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* @return self |
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*/ |
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public function reference_column( string $reference_column ): self { |
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$this->reference_column = $reference_column; |
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return $this; |
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} |
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/** |
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* Sets the on update action. |
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* |
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* @since 0.1.0 |
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* @param string $action |
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* @return self |
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*/ |
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public function on_update( string $action ): self { |
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$this->on_update = $action; |
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return $this; |
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} |
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/** |
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* Sets the on update action. |
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* |
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* @since 0.1.0 |
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* @param string $action |
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* @return self |
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*/ |
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public function on_delete( string $action ): self { |
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$this->on_delete = $action; |
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return $this; |
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} |
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/** |
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* Get index name |
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* |
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* @return string |
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*/ |
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public function get_key_name(): string { |
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return $this->key_name; |
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} |
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/** |
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* Get column referenced |
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* |
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* @return string |
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*/ |
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public function get_column(): string { |
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return $this->column; |
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} |
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/** |
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* Get the table used. |
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* |
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* @return string|null |
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*/ |
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public function get_reference_table(): ?string { |
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return $this->reference_table; |
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} |
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/** |
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* Get the table used. |
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* |
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* @return string|null |
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*/ |
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public function get_reference_column(): ?string { |
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return $this->reference_column; |
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} |
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/** |
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* Get action to execute on update. |
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* |
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* @return string |
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*/ |
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public function get_on_update(): string { |
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return $this->on_update; |
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} |
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/** |
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* Get action to execute on delete. |
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* |
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* @return string |
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*/ |
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public function get_on_delete(): string { |
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return $this->on_delete; |
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} |
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/** |
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* Exports the index as a stdClass |
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* |
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* @return object |
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*/ |
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public function export() { |
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return (object) array( |
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'key_name' => $this->key_name, |
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'column' => $this->column, |
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'reference_column' => $this->reference_column, |
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'reference_table' => $this->reference_table, |
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'on_update' => $this->on_update, |
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'on_delete' => $this->on_delete, |
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); |
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} |
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} |
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