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33 | PointedEar | 1 | /* $Id: PersistenceContext.java 11282 2007-03-14 22:05:59Z epbernard $ |
2 | * JBoss Inc |
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3 | * |
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4 | * Distributable under LGPL license. |
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5 | * See terms of license at gnu.org. |
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6 | */ |
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7 | package javax.persistence; |
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8 | |||
9 | import java.lang.annotation.ElementType; |
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10 | import java.lang.annotation.Retention; |
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11 | import java.lang.annotation.RetentionPolicy; |
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12 | import java.lang.annotation.Target; |
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13 | |||
14 | /** |
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15 | * Expresses a dependency on an EntityManager persistence context. |
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16 | * |
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17 | * @author <a href="mailto:bill@jboss.org">Bill Burke</a> |
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18 | */ |
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19 | @Target({ElementType.TYPE, ElementType.METHOD, ElementType.FIELD}) |
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20 | @Retention(RetentionPolicy.RUNTIME) |
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21 | public @interface PersistenceContext { |
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22 | /** |
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23 | * The name by which the entity manager is to be accessed in the environment referencing context, |
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24 | * and is not needed when dependency injection is used. |
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25 | */ |
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26 | String name() default ""; |
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27 | /** |
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28 | * The name of the persistence unit. If the unitName element is specified, the persistence unit |
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29 | * for the entity manager that is accessible in JNDI must have the same name. |
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30 | */ |
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31 | String unitName() default ""; |
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32 | /** |
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33 | * Used to specify properties for the container or persistence provider. Vendor specific |
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34 | * properties may be included in this set of properties. Properties that are not |
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35 | * recognized by a vendor are ignored. |
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36 | */ |
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37 | PersistenceProperty[] properties() default {}; |
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38 | /** |
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39 | * Specifies whether this is a transaction-scoped persistence context or |
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40 | * an extended persistence context. |
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41 | */ |
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42 | PersistenceContextType type() default PersistenceContextType.TRANSACTION; |
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43 | } |