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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package javax.naming.event;
/**
* Specifies the method that a listener of a <tt>NamingEvent</tt>
* with event type of <tt>OBJECT_CHANGED</tt> must implement.
*<p>
* An <tt>OBJECT_CHANGED</tt> event type is fired when (the contents of)
* an object has changed. This might mean that its attributes have been modified,
* added, or removed, and/or that the object itself has been replaced.
* How the object has changed can be determined by examining the
* <tt>NamingEvent</tt>'s old and new bindings.
*<p>
* A listener interested in <tt>OBJECT_CHANGED</tt> event types must:
*<ol>
*
*<li>Implement this interface and its method (<tt>objectChanged()</tt>)
*<li>Implement <tt>NamingListener.namingExceptionThrown()</tt> so that
* it will be notified of exceptions thrown while attempting to
* collect information about the events.
*<li>Register with the source using the source's <tt>addNamingListener()</tt>
* method.
*</ol>
* A listener that wants to be notified of namespace change events
* should also implement the <tt>NamespaceChangeListener</tt>
* interface.
*
* @author Rosanna Lee
* @author Scott Seligman
*
* @see NamingEvent
* @see NamespaceChangeListener
* @see EventContext
* @see EventDirContext
* @since 1.3
*/
public interface ObjectChangeListener extends NamingListener {
/**
* Called when an object has been changed.
*<p>
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