org.hibernate.annotations

public @Interface MapKey

Annotations

@Target:METHOD, FIELD
@Retention:RUNTIME
@Deprecated

Imports

java.lang.annotation.Target, .Retention, javax.persistence.Column

Deprecated

Use javax.persistence.MapKeyColumn This is the default behavior for Map properties marked as @OneToMany, @ManyToMany or @ElementCollection

Define the map key columns as an explicit column holding the map key This is completely different from javax.persistence.MapKey which use an existing column This annotation and javax.persistence.MapKey are mutually exclusive

Author: Emmanuel Bernard

Method Summary

Modifier and Type	Method and Description
public Column[]	columns()
public Class<T>	targetElement() Represent the key class in a Map Only useful if the collection does not use generics
public Type	type() The optional map key type.

Inherited from java.lang.annotation.Annotation:: annotationType equals hashCode toString

Method Detail

columns	back to summary
public Column[] columns()

targetElement	back to summary
public Class<T> targetElement() Represent the key class in a Map Only useful if the collection does not use generics

type	back to summary
public Type type() The optional map key type. Guessed if default