[英]How to map multiple n:m doctrine relationships
这是我的关系: http : //i.stack.imgur.com/HYMFJ.png
您好,我有这种关系,我已经在学说上将一个关系(List_has_Doc)映射为与@ManyToMany的双向关系,但是我该如何映射其他两个关系?
谢谢。
只需根据需要使用多个@ManyToMany关系。 所以你可能会喜欢
/**
* @Entity
* @Table(name="list")
*/
class List{
//other definitions
/**
* @ManyToMany(targetEntity="Doc", invertedBy="flaggedDocList")
* @JoinTable(name="List_flagged_Doc",
* joinColumns={@JoinColumn(name="flagged_doc_id", referencedColumnName="id")},
* inverseJoinColumns={@JoinColumn(name="flagged_list_id", referencedColumnName="id")}
* )
*/
protected $flaggedDocs;
/**
* @ManyToMany(targetEntity="Doc", invertedBy="requestedDocList")
* @JoinTable(name="List_requested_Doc",
* joinColumns={@JoinColumn(name="requested_doc_id", referencedColumnName="id")},
* inverseJoinColumns={@JoinColumn(name="requested_list_id", referencedColumnName="id")}
* )
*/
protected $requestedDocs;
/**
* @ManyToMany(targetEntity="Doc", invertedBy="ownedDocList")
* @JoinTable(name="List_owned_Doc",
* joinColumns={@JoinColumn(name="owned_doc_id", referencedColumnName="id")},
* inverseJoinColumns={@JoinColumn(name="owned_list_id", referencedColumnName="id")}
* )
*/
protected $ownedDocs;
}
/**
* @Entity
* @Table(name="doc")
*/
class Doc{
//...other definitions
/**
* @ManyToMany(targetEntity="List", mappedBy="flaggedDocs")
*/
protected $flaggedDocList;
/**
* @ManyToMany(targetEntity="List", mappedBy="requestedDocs")
*/
protected $requestedDocList;
/**
* @ManyToMany(targetEntity="List", mappedBy="ownedDocs")
*/
protected $ownedDocList;
}
可能还需要在Docs类中指定@JoinTable,现在无法对其进行测试。
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