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@Target(value={METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface JoinColumns
Defines mapping for composite foreign keys. This annotation
groups JoinColumn annotations for the same relationship.
When the JoinColumns annotation is used,
both the name and the referencedColumnName elements
must be specified in each such JoinColumn annotation.
Example:
@ManyToOne
@JoinColumns({
@JoinColumn(name="ADDR_ID", referencedColumnName="ID"),
@JoinColumn(name="ADDR_ZIP", referencedColumnName="ZIP")
})
public Address getAddress() { return address; }
JoinColumn| Required Element Summary | |
|---|---|
JoinColumn[] |
value
The join columns that map the relationship. |
| Element Detail |
|---|
public abstract JoinColumn[] value
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