Current File : /home2/selectio/www/a1tex.in/vendor/doctrine/dbal/src/Types/TypeRegistry.php
<?php
declare(strict_types=1);
namespace Doctrine\DBAL\Types;
use Doctrine\DBAL\Exception;
use function array_search;
use function in_array;
/**
* The type registry is responsible for holding a map of all known DBAL types.
* The types are stored using the flyweight pattern so that one type only exists as exactly one instance.
*/
final class TypeRegistry
{
/** @var array<string, Type> Map of type names and their corresponding flyweight objects. */
private array $instances;
/** @param array<string, Type> $instances */
public function __construct(array $instances = [])
{
$this->instances = $instances;
}
/**
* Finds a type by the given name.
*
* @throws Exception
*/
public function get(string $name): Type
{
if (! isset($this->instances[$name])) {
throw Exception::unknownColumnType($name);
}
return $this->instances[$name];
}
/**
* Finds a name for the given type.
*
* @throws Exception
*/
public function lookupName(Type $type): string
{
$name = $this->findTypeName($type);
if ($name === null) {
throw Exception::typeNotRegistered($type);
}
return $name;
}
/**
* Checks if there is a type of the given name.
*/
public function has(string $name): bool
{
return isset($this->instances[$name]);
}
/**
* Registers a custom type to the type map.
*
* @throws Exception
*/
public function register(string $name, Type $type): void
{
if (isset($this->instances[$name])) {
throw Exception::typeExists($name);
}
if ($this->findTypeName($type) !== null) {
throw Exception::typeAlreadyRegistered($type);
}
$this->instances[$name] = $type;
}
/**
* Overrides an already defined type to use a different implementation.
*
* @throws Exception
*/
public function override(string $name, Type $type): void
{
if (! isset($this->instances[$name])) {
throw Exception::typeNotFound($name);
}
if (! in_array($this->findTypeName($type), [$name, null], true)) {
throw Exception::typeAlreadyRegistered($type);
}
$this->instances[$name] = $type;
}
/**
* Gets the map of all registered types and their corresponding type instances.
*
* @internal
*
* @return array<string, Type>
*/
public function getMap(): array
{
return $this->instances;
}
private function findTypeName(Type $type): ?string
{
$name = array_search($type, $this->instances, true);
if ($name === false) {
return null;
}
return $name;
}
}
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