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<?php
declare(strict_types=1);
namespace Doctrine\DBAL\Schema;
use function array_filter;
use function count;
/**
* Differences between two schemas.
*/
class SchemaDiff
{
/** @var array<TableDiff> */
private readonly array $alteredTables;
/**
* Constructs an SchemaDiff object.
*
* @internal The diff can be only instantiated by a {@see Comparator}.
*
* @param array<string> $createdSchemas
* @param array<string> $droppedSchemas
* @param array<Table> $createdTables
* @param array<TableDiff> $alteredTables
* @param array<Table> $droppedTables
* @param array<Sequence> $createdSequences
* @param array<Sequence> $alteredSequences
* @param array<Sequence> $droppedSequences
*/
public function __construct(
private readonly array $createdSchemas,
private readonly array $droppedSchemas,
private readonly array $createdTables,
array $alteredTables,
private readonly array $droppedTables,
private readonly array $createdSequences,
private readonly array $alteredSequences,
private readonly array $droppedSequences,
) {
$this->alteredTables = array_filter($alteredTables, static function (TableDiff $diff): bool {
return ! $diff->isEmpty();
});
}
/** @return array<string> */
public function getCreatedSchemas(): array
{
return $this->createdSchemas;
}
/** @return array<string> */
public function getDroppedSchemas(): array
{
return $this->droppedSchemas;
}
/** @return array<Table> */
public function getCreatedTables(): array
{
return $this->createdTables;
}
/** @return array<TableDiff> */
public function getAlteredTables(): array
{
return $this->alteredTables;
}
/** @return array<Table> */
public function getDroppedTables(): array
{
return $this->droppedTables;
}
/** @return array<Sequence> */
public function getCreatedSequences(): array
{
return $this->createdSequences;
}
/** @return array<Sequence> */
public function getAlteredSequences(): array
{
return $this->alteredSequences;
}
/** @return array<Sequence> */
public function getDroppedSequences(): array
{
return $this->droppedSequences;
}
/**
* Returns whether the diff is empty (contains no changes).
*/
public function isEmpty(): bool
{
return count($this->createdSchemas) === 0
&& count($this->droppedSchemas) === 0
&& count($this->createdTables) === 0
&& count($this->alteredTables) === 0
&& count($this->droppedTables) === 0
&& count($this->createdSequences) === 0
&& count($this->alteredSequences) === 0
&& count($this->droppedSequences) === 0;
}
}
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