PersistenceScopesImplementation


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16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
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19  
20  package org.netbeans.modules.j2ee.persistence.spi;
21  
22  import java.beans.PropertyChangeListener  ;
23  import org.netbeans.modules.j2ee.persistence.api.PersistenceScope;
24  
25  /**
26   * The SPI for {@link org.netbeans.modules.j2ee.persistence.api.PersistenceScopes}.
27   *
28   * @author Andrei Badea
29   *
30   * @see org.netbeans.modules.j2ee.persistence.api.PersistenceScopes
31   * @see PersistenceScopesFactory
32   */
33  public interface PersistenceScopesImplementation {
34  
35      /**
36       * Returns the persistence scopes contained in this instance.
37       *
38       * @return an array of <code>PersistenceScope</code> instances; never null.
39       */
40      PersistenceScope[] getPersistenceScopes();
41  
42      /**
43       * Adds a property change listener, allowing to listen on properties, e.g.
44       * {@link org.netbeans.modules.j2ee.persistence.api.PersistenceScopes#PROP_PERSISTENCE_SCOPES}.
45       *
46       * @param  listener the listener to add; can be null.
47       */
48      void addPropertyChangeListener(PropertyChangeListener   listener);
49  
50      /**
51       * Removes a property change listener.
52       *
53       * @param  listener the listener to remove; can be null.
54       */
55      void removePropertyChangeListener(PropertyChangeListener   listener);
56  }
57
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