Package javax.persistence
Annotation Type JoinColumns
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@Target({METHOD,FIELD}) @Retention(RUNTIME) public @interface JoinColumns
Defines mapping for composite foreign keys. This annotation groupsJoinColumn
annotations for the same relationship.When the
JoinColumns
annotation is used, both thename
and thereferencedColumnName
elements must be specified in each suchJoinColumn
annotation.Example: @ManyToOne @JoinColumns({ @JoinColumn(name="ADDR_ID", referencedColumnName="ID"), @JoinColumn(name="ADDR_ZIP", referencedColumnName="ZIP") }) public Address getAddress() { return address; }
- Since:
- Java Persistence 1.0
- See Also:
JoinColumn
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Required Element Summary
Required Elements Modifier and Type Required Element Description JoinColumn[]
value
The join columns that map the relationship.
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Element Detail
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value
JoinColumn[] value
The join columns that map the relationship.
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