Hibernate mapping of a Map having an Enum key

Thursday, 08 December 2011 09:27



@CollectionOfElements

@JoinTable(

 name = "TRACE_PROPERTY",

  joinColumns = { @JoinColumn(name = "TRACE_ID") },

  uniqueConstraints = { @UniqueConstraint(columnNames = {"TRACE_ID", "NAME", "VALUE" }) })

@org.hibernate.annotations.MapKey(

  columns = @Column(name = "NAME", nullable = false, length = 100),

  type = @Type(

    type = "org.hibernate.type.EnumType",

    parameters = {

      @Parameter(name = "enumClass", value = "x.y.z.ExternalPropertyName"),

      @Parameter(name = "type", value = "12")}))

@Column(name = "VALUE", nullable = false, length = 255)

private Map properties = new HashMap();