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| 1 | +<?php // lint >= 8.0 |
| 2 | + |
| 3 | +namespace GenericSubtype; |
| 4 | + |
| 5 | +interface IEntity { |
| 6 | + /** |
| 7 | + * @return IRepository<IEntity> |
| 8 | + */ |
| 9 | + public function getRepository(): IRepository; |
| 10 | +} |
| 11 | + |
| 12 | +interface IProperty {} |
| 13 | + |
| 14 | +interface IPropertyContainer extends IProperty {} |
| 15 | + |
| 16 | +/** |
| 17 | + * @template E of IEntity |
| 18 | + */ |
| 19 | +interface IEntityAwareProperty extends IProperty {} |
| 20 | + |
| 21 | +/** |
| 22 | + * @template E of IEntity |
| 23 | + * @extends IEntityAwareProperty<E> |
| 24 | + */ |
| 25 | +interface IRelationshipContainer extends IPropertyContainer, IEntityAwareProperty {} |
| 26 | + |
| 27 | +interface IModel { |
| 28 | + /** |
| 29 | + * @template E of IEntity |
| 30 | + * @template T of IRepository<E> |
| 31 | + * @param class-string<T> $className |
| 32 | + * @return T |
| 33 | + */ |
| 34 | + public function getRepository(string $className): IRepository; |
| 35 | +} |
| 36 | + |
| 37 | +/** |
| 38 | + * @template E of IEntity |
| 39 | + */ |
| 40 | +interface IRepository { |
| 41 | + public function getModel(): IModel; |
| 42 | +} |
| 43 | + |
| 44 | +class PropertyRelationshipMetadata { |
| 45 | + /** @var class-string<IRepository<IEntity>> */ |
| 46 | + public string $repository; |
| 47 | +} |
| 48 | + |
| 49 | +/** |
| 50 | + * @template E of IEntity |
| 51 | + * @implements IRelationshipContainer<E> |
| 52 | + */ |
| 53 | +class HasOne implements IRelationshipContainer |
| 54 | +{ |
| 55 | + /** @var E|null */ |
| 56 | + protected ?IEntity $parent = null; |
| 57 | + |
| 58 | + /** @var IRepository<E>|null */ |
| 59 | + protected ?IRepository $targetRepository = null; |
| 60 | + |
| 61 | + protected PropertyRelationshipMetadata $metadataRelationship; |
| 62 | + |
| 63 | + /** |
| 64 | + * @return E |
| 65 | + */ |
| 66 | + protected function getParentEntity(): IEntity |
| 67 | + { |
| 68 | + return $this->parent ?? throw new \InvalidArgumentException('Relationship is not attached to a parent entity.'); |
| 69 | + } |
| 70 | + |
| 71 | + /** |
| 72 | + * @return IRepository<E> |
| 73 | + */ |
| 74 | + protected function getTargetRepository(): IRepository |
| 75 | + { |
| 76 | + if ($this->targetRepository === null) { |
| 77 | + /** @var IRepository<E> $targetRepository */ |
| 78 | + $targetRepository = $this->getParentEntity() |
| 79 | + ->getRepository() |
| 80 | + ->getModel() |
| 81 | + ->getRepository($this->metadataRelationship->repository); |
| 82 | + |
| 83 | + $this->test($targetRepository); |
| 84 | + |
| 85 | + $this->targetRepository = $targetRepository; |
| 86 | + } |
| 87 | + |
| 88 | + return $this->targetRepository; |
| 89 | + } |
| 90 | + |
| 91 | + /** |
| 92 | + * @param IRepository<IEntity> |
| 93 | + */ |
| 94 | + protected function test(): void {} |
| 95 | +} |
| 96 | + |
| 97 | +class Foo implements IEntity { |
| 98 | + public function getRepository(): IRepository { |
| 99 | + throw new \BadMethodCallException(); |
| 100 | + } |
| 101 | +} |
| 102 | + |
| 103 | +/** |
| 104 | + * @implements IRelationshipContainer<Foo> |
| 105 | + */ |
| 106 | +class HasOne2 implements IRelationshipContainer |
| 107 | +{ |
| 108 | + /** @var Foo|null */ |
| 109 | + protected ?IEntity $parent = null; |
| 110 | + |
| 111 | + /** @var IRepository<Foo>|null */ |
| 112 | + protected ?IRepository $targetRepository = null; |
| 113 | + |
| 114 | + protected PropertyRelationshipMetadata $metadataRelationship; |
| 115 | + |
| 116 | + /** |
| 117 | + * @return Foo |
| 118 | + */ |
| 119 | + protected function getParentEntity(): IEntity |
| 120 | + { |
| 121 | + return $this->parent ?? throw new \InvalidArgumentException('Relationship is not attached to a parent entity.'); |
| 122 | + } |
| 123 | + |
| 124 | + /** |
| 125 | + * @return IRepository<Foo> |
| 126 | + */ |
| 127 | + protected function getTargetRepository(): IRepository |
| 128 | + { |
| 129 | + if ($this->targetRepository === null) { |
| 130 | + /** @var IRepository<Foo> $targetRepository */ |
| 131 | + $targetRepository = $this->getParentEntity() |
| 132 | + ->getRepository() |
| 133 | + ->getModel() |
| 134 | + ->getRepository($this->metadataRelationship->repository); |
| 135 | + |
| 136 | + $this->test($targetRepository); |
| 137 | + |
| 138 | + $this->targetRepository = $targetRepository; |
| 139 | + } |
| 140 | + |
| 141 | + return $this->targetRepository; |
| 142 | + } |
| 143 | + |
| 144 | + /** |
| 145 | + * @param IRepository<IEntity> $repository |
| 146 | + */ |
| 147 | + protected function test($repository): void {} |
| 148 | +} |
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