meaning of @Entity

[urswag]

Where are these expressions well descripted?

@Entity
@Table(name="book")
@SequenceGenerator(name = "book_sequence", sequenceName = "book_id_seq")
@TableGenerator( name="book_id", table="primary_keys", pkColumnName="key", pkColumnValue="book",
valueColumnName="value")

[wolfc]

http://www.jcp.org/en/jsr/detail?id=220

[bwilson]

Specifically, Chapter 10 of the Simplified API specification.