I'm currently using the following annotations for my primairy key:

@Id
@SequenceGenerator(name = "S912_PRO_SEQ",
sequenceName = "S912_PRO_SEQ",
allocationSize = 1)
@GeneratedValue(strategy = GenerationType.SEQUENCE,
generator = "S912_PRO_SEQ")
@Column(name = "PRO_ID", unique = true,
nullable = false, precision = 9,
scale = 0)

Now I would like that hibernate only calls the sequence (generator) when the object has no ID set. (<=0)
Is there anny way to achieve this?

Thanks in advance!

Tim

if the type of the ID is object like Long or Integer as opposed to long and int Hibernate will automatically detect .Hope this helps
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