Symfony 参考id上的鉴别器
我的标题可能不是最好的描述，但它是我能想到的最好的描述 我有4个实体；页面、页面元素、图像和名为TextWithImage的实体。页面包含pageElements（PageElement实体数组）。这些PageElement可以有多种类型，但目前我只有一个名为TextWithImage的元素，它包含PageElement实体所包含数据之外的其他数据 PageElement可以包含在许多页面中，因此，我在PageElement.orm.yml中有许多页面。TextWithImage有一个指向Image的多个引用 （更多信息：另一个实体ImageGallery可能与该图像实体存在多个关系，而TextOnly不应引用该图像实体。） 我希望能够获取页面并检索页面元素及其所有“属性”。假设我请求获取一个页面，其中只有一个TextWithImage类型的PageElement，我想返回以下内容Symfony 参考id上的鉴别器,symfony,doctrine-orm,symfony-2.3,Symfony,Doctrine Orm,Symfony 2.3,我的标题可能不是最好的描述，但它是我能想到的最好的描述 我有4个实体；页面、页面元素、图像和名为TextWithImage的实体。页面包含pageElements（PageElement实体数组）。这些PageElement可以有多种类型，但目前我只有一个名为TextWithImage的元素，它包含PageElement实体所包含数据之外的其他数据 PageElement可以包含在许多页面中，因此，我在PageElement.orm.yml中有许多页面。TextWithImage有一个指向Ima
Page -> pageElements = array (
[0] => TextWithImage -> image = Image -> filename = "image.png"
-> alt = "An image!"
-> text = "There's an image too!"
)
这可能吗？如果可能，怎么可能？我已经找到了解决问题的方法。这些是YML文件。您可以使用
php应用程序/控制台原则：generate:entities-AppBundle/EntityAppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }
我找到了解决我问题的办法。这些是YML文件。您可以使用
php应用程序/控制台原则：generate:entities-AppBundle/EntityAppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Page:
type: entity
table: null
repositoryClass: AppBundle\Repositories\PageRepository
manyToMany:
pageElements:
targetEntity: PageElement
cascade: ["all"]
joinTable:
name: null
joinColumns:
page_id:
referencedColumnName: id
onDelete: CASCADE
inverseJoinColumns:
page_element_id:
referencedColumnName: id
unique: true
onDelete: CASCADE
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
lifecycleCallbacks: { }
AppBundle\Entity\PageElement:
type: entity
inheritanceType: SINGLE_TABLE
discriminatorColumn:
name: discr
type: string
discriminatorMap:
pageTextImageElement: PageTextImageElement
table: null
repositoryClass: AppBundle\Repositories\PageElementRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
sortOrder:
type: integer
attributes:
type: array
nullable: true
lifecycleCallbacks: { }
AppBundle\Entity\PageTextImageElement:
type: entity
table: null
oneToOne:
image:
targetEntity: AppBundle\Entity\Image
joinColumn:
name: imageId
referencedColumnName: id
fields:
passage:
type: string
length: '255'
lifecycleCallbacks: { }
AppBundle\Entity\Image:
type: entity
table: null
repositoryClass: AppBundle\Repositories\ImageRepository
id:
id:
type: integer
id: true
generator:
strategy: AUTO
fields:
name:
type: string
length: '255'
unique: true
description:
type: string
length: '255'
lifecycleCallbacks: { }