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JPA Mapping Of A HashMap Having A Enum Key
@ElementCollection @CollectionTable(name="table_name", joinColumns=@JoinColumn(name="owner_fk")) @MapKeyColumn(name = "name", length = 50, nullable = false) @MapKeyEnumerated(EnumType.STRING) @Column(name = "value", length = 100) private final Map<KeyEnum, String> metadata = new HashMap<KeyEnum, String>();
