Availability of @CollectionId in Maps ---------------------------------------- Key: ANN-836 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-836 Project: Hibernate Annotations Issue Type: Improvement Affects Versions: 3.4.0.GA Reporter: Vlasov Igor Hello, I have table user( id number(10) name varchar(50) ) and table user_right( id number(10) name varchar(50) key varchar(50) ) then i want to tie together "user" and "user_right" in table: rl_user_right( rl_id number(10) usr_id number(10) ur_id number(10) ) I can do this in such manner @OneToMany(fetch = FetchType.LAZY) @JoinTable(name = "rl_user_right", joinColumns = @JoinColumn(name = "usr_id"), inverseJoinColumns = @JoinColumn(name = "ur_id")) @CollectionId(columns = @Column(name = "rl_id"), type = @org.hibernate.annotations.Type(type = "long"), generator = "identity") @org.hibernate.annotations.Fetch(org.hibernate.annotations.FetchMode.SUBSELECT) private List<UserRight> rights; BUT i want to have property of Map type : private Map<String,UserRight> rights; with "key" value =user_right.key I try to do : @OneToMany(fetch = FetchType.LAZY) @JoinTable(name = "rl_user_right", joinColumns = @JoinColumn(name = "usr_id"), inverseJoinColumns = @JoinColumn(name = "ur_id")) @javax.persistence.MapKey(name="ur_key") @CollectionId(columns = @Column(name = "rl_id"), type = @org.hibernate.annotations.Type(type = "long"), generator = "identity") @org.hibernate.annotations.Fetch(org.hibernate.annotations.FetchMode.SUBSELECT) private Map<String,UserRight> rights; Then i catch an exception Map do not support @CollectionId: com.entity.User.rights; org.hibernate.cfg.annotations.CollectionBinder.getCollectionBinder ..... if ( java.util.Map.class.equals( returnedClass ) ) { if ( property.isAnnotationPresent( CollectionId.class ) ) { throw new AnnotationException( "Map do not support @CollectionId: " + StringHelper.qualify( entityName, property.getName() ) ); } return new MapBinder(); } How can I achieve my desire with another way? May be allow @CollectionId in Maps? -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira