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<?php |
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declare(strict_types=1); |
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namespace Stratadox\TableLoader\Builder; |
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use Stratadox\ImmutableCollection\ImmutableCollection; |
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use Stratadox\TableLoader\Loader\Extract; |
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use Stratadox\TableLoader\Loader\JoinedTable; |
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use Stratadox\TableLoader\Loader\LoadsTables; |
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use Stratadox\TableLoader\Loader\Wired; |
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/** |
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* Builder for JoinedTable converters. |
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* @see JoinedTable |
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* |
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* @author Stratadox |
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*/ |
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final class Joined extends ImmutableCollection implements MakesTableLoader |
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{ |
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public function __construct(DefinesObjectMapping ...$objectMappings) |
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{ |
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parent::__construct(...$objectMappings); |
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} |
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/** |
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* Makes a new builder for joined table mappers. |
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* |
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* @param DefinesObjectMapping ...$objectMappings |
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* @return MakesTableLoader |
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*/ |
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public static function table( |
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DefinesObjectMapping ...$objectMappings |
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): MakesTableLoader { |
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return new self(...$objectMappings); |
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} |
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public function current(): DefinesObjectMapping |
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{ |
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return parent::current(); |
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} |
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/** @inheritdoc */ |
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public function __invoke(): LoadsTables |
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{ |
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$wiring = []; |
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$objects = []; |
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$identity = []; |
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foreach ($this as $mapping) { |
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$identity[$mapping->label()] = $mapping->identityColumns(); |
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} |
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foreach ($this as $mapping) { |
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foreach ($identity as $label => $columns) { |
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$mapping = $mapping->identifying($label, ...$columns); |
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} |
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$objects[] = $mapping->objects(); |
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$wiring[] = $mapping->wiring(); |
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} |
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return JoinedTable::converter( |
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Extract::these(...$objects), |
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Wired::together(...$wiring) |
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); |
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} |
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} |
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Stratadox /
TableLoader
