BucketObjectVersion.java 文件源码

@ElementCollection
@CollectionTable(name = "bucket_object_version_tags", 
    foreignKey = @ForeignKey(name = RdbmsConstants.PREFIX + "bucket_object_version_tags_fk_bucket_object_version"),
    joinColumns = {
        @JoinColumn(name = "bucket_id", referencedColumnName = "bucket_id"),
        @JoinColumn(name = "object_name", referencedColumnName = "object_name"),
        @JoinColumn(name = "version_uuid", referencedColumnName = "version_uuid")
})
@MapKeyColumn(name = "tag", nullable = false)
@Column(name = "value", nullable = false)
public Map<String, String> getTags() {
    return tags;
}