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33 | PointedEar | 1 | //$Id: IdClass.java 11282 2007-03-14 22:05:59Z epbernard $ |
2 | //EJB3 Specification Copyright 2004-2006 Sun Microsystems, Inc. |
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3 | package javax.persistence; |
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4 | |||
5 | import java.lang.annotation.Retention; |
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6 | import java.lang.annotation.Target; |
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7 | |||
8 | import static java.lang.annotation.ElementType.TYPE; |
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9 | import static java.lang.annotation.RetentionPolicy.RUNTIME; |
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10 | |||
11 | /** |
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12 | * Specifies a composite primary key class that is mapped to multiple fields or properties |
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13 | * of the entity. |
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14 | * |
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15 | * The names of the fields or properties in the primary key class and the primary key fields |
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16 | * or properties of the entity must correspond and their types must be the same. |
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17 | * |
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18 | * @author Emmanuel Bernard |
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19 | */ |
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20 | @Target({TYPE}) @Retention(RUNTIME) |
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21 | public @interface IdClass { |
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22 | /** |
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23 | * Primary key class |
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24 | */ |
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25 | Class value(); |
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26 | } |