PersistenceContext


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  package javax.persistence;
25  
26  import java.lang.annotation.Target  ;
27  import static java.lang.annotation.ElementType  .*;
28  import java.lang.annotation.Retention  ;
29  import static java.lang.annotation.RetentionPolicy  .*;
30  
31  /**
32   * Expresses a dependency on an {@link EntityManager} persistence context.
33   *
34   * @since Java Persistence 1.0
35   */
36  
37  @Target  ({TYPE, METHOD, FIELD})
38  @Retention  (RUNTIME)
39  public @interface PersistenceContext {
40  
41      /**
42       * The name by which the entity manager is to be accessed in the 
43       * environment referencing context, and is not needed when dependency 
44       * injection is used.
45       */
46      String   name() default "";
47  
48      /**
49       * The name of the persistence unit. If the unitName element is 
50       * specified, the persistence unit for the entity manager that 
51       * is accessible in JNDI must have the same name.
52       */
53      String   unitName() default "";
54  
55      /**
56       * Specifies whether this is a transaction-scoped persistence context 
57       * or an extended persistence context.
58       */
59      PersistenceContextType type() default PersistenceContextType.TRANSACTION;
60  
61      /**
62       * Used to specify properties for the container or persistence
63       * provider.  Vendor specific properties may be included in this
64       * set of properties.  Properties that are not recognized by
65       * a vendor are ignored.  
66       */ 
67      PersistenceProperty[] properties() default {};
68  }
69
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