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<?php declare(strict_types=1); |
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namespace Phact\Container\Definition; |
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use Phact\Container\Exceptions\DuplicateNameException; |
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use Phact\Container\Exceptions\NotFoundException; |
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class DefinitionAggregate implements DefinitionAggregateInterface |
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{ |
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/** |
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* @var Definition[] |
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*/ |
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protected $definitions = []; |
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/** |
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* @var array |
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*/ |
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protected $references = []; |
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/** |
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* @var array |
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*/ |
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protected $aliases = []; |
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/** |
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* @var bool |
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*/ |
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protected $analyzeReferences = true; |
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/** |
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* Set analyze all added classes with class_parents and class_implements and create references. |
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* When you add Child class to container and try get object by Parent class you will get Child class object |
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* that described in container. |
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* |
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* @param bool $analyzeReferences |
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*/ |
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public function setAnalyzeReferences(bool $analyzeReferences): void |
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{ |
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$this->analyzeReferences = $analyzeReferences; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function addDefinition(string $name, DefinitionInterface $definition): DefinitionInterface |
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{ |
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if (isset($this->definitions[$name])) { |
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throw new DuplicateNameException("Definition with name {$name} already exists."); |
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} |
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$this->definitions[$name] = $definition; |
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if ($this->analyzeReferences) { |
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$this->addReferences($name, $definition->getClass()); |
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} |
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$this->addAliases($name, $definition->getAliases()); |
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return $definition; |
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} |
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/** |
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* Add references by class parents and interfaces |
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* |
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* @param string $name |
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* @param string $class |
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*/ |
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protected function addReferences(string $name, string $class): void |
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{ |
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$this->addReference($name, $class); |
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$interfaces = class_implements($class); |
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foreach ($interfaces as $interface) { |
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$this->addReference($name, $interface); |
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} |
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$parents = class_parents($class); |
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foreach ($parents as $parent) { |
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$this->addReference($name, $parent); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function addReference(string $name, string $class): void |
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{ |
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if (!isset($this->references[$class])) { |
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$this->references[$class] = []; |
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} |
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$this->references[$class][] = $name; |
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} |
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public function addAliases(string $name, array $aliases = []): void |
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{ |
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foreach ($aliases as $alias) { |
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$this->addAlias($name, $alias); |
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} |
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} |
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public function addAlias(string $name, string $alias): void |
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{ |
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if (!isset($this->aliases[$alias])) { |
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$this->aliases[$alias] = []; |
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} |
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$this->aliases[$alias][] = $name; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function get(string $id): DefinitionInterface |
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{ |
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$name = $this->findDefinitionName($id); |
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if ($name === null) { |
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throw new NotFoundException("Could not resolve definition by id - {$id}"); |
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} |
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return $this->definitions[$name]; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function has(string $id): bool |
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{ |
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return ( |
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isset($this->definitions[$id]) || |
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isset($this->aliases[$id]) || |
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($this->analyzeReferences && isset($this->references[$id])) |
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); |
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} |
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/** |
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* Find definition name by aliases, references, etc |
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* |
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* @param string $id |
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* @return string |
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* @throws NotFoundException |
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*/ |
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public function resolveDefinitionName(string $id): string |
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{ |
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$name = $this->findDefinitionName($id); |
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if ($name === null) { |
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throw new NotFoundException("Could not resolve definition by id - {$id}"); |
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} |
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return $name; |
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} |
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/** |
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* @param $id |
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* @return string|null |
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*/ |
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protected function findDefinitionName($id): ?string |
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{ |
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if (!isset($this->definitions[$id])) { |
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if (isset($this->aliases[$id])) { |
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$id = reset($this->aliases[$id]); |
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} |
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if ($this->analyzeReferences && isset($this->references[$id])) { |
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$id = reset($this->references[$id]); |
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} |
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} |
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if (!isset($this->definitions[$id])) { |
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return null; |
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} |
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return $id; |
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} |
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} |
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phact-cmf /
Container
