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/*
* Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javax.naming.event;
import javax.naming.Name;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.SearchControls;
/**
* Contains methods for registering listeners to be notified
* of events fired when objects named in a directory context changes.
*<p>
* The methods in this interface support identification of objects by
* <A HREF="http://www.ietf.org/rfc/rfc2254.txt">RFC 2254</a>
* search filters.
*
*<P>Using the search filter, it is possible to register interest in objects
* that do not exist at the time of registration but later come into existence and
* satisfy the filter. However, there might be limitations in the extent
* to which this can be supported by the service provider and underlying
* protocol/service. If the caller submits a filter that cannot be
* supported in this way, <tt>addNamingListener()</tt> throws an
* <tt>InvalidSearchFilterException</tt>.
*<p>
* See <tt>EventContext</tt> for a description of event source
* and target, and information about listener registration/deregistration
* that are also applicable to methods in this interface.
* See the
* <a href=package-summary.html#THREADING>package description</a>
* for information on threading issues.
*<p>
* A <tt>SearchControls</tt> or array object
* passed as a parameter to any method is owned by the caller.
* The service provider will not modify the object or keep a reference to it.
*
* @author Rosanna Lee
* @author Scott Seligman
* @since 1.3
*/
public interface EventDirContext extends EventContext, DirContext {
/**
* Adds a listener for receiving naming events fired
* when objects identified by the search filter <tt>filter</tt> at
* the object named by target are modified.
* <p>
* The scope, returningObj flag, and returningAttributes flag from
* the search controls <tt>ctls</tt> are used to control the selection
* of objects that the listener is interested in,
* and determines what information is returned in the eventual
* <tt>NamingEvent</tt> object. Note that the requested
* information to be returned might not be present in the <tt>NamingEvent</tt>
* object if they are unavailable or could not be obtained by the
* service provider or service.
*
* @param target The nonnull name of the object resolved relative to this context.
* @param filter The nonnull string filter (see RFC2254).
* @param ctls The possibly null search controls. If null, the default
* search controls are used.
* @param l The nonnull listener.
* @exception NamingException If a problem was encountered while
* adding the listener.
* @see EventContext#removeNamingListener
* @see javax.naming.directory.DirContext#search(javax.naming.Name, java.lang.String, javax.naming.directory.SearchControls)
*/
void addNamingListener(Name target, String filter, SearchControls ctls,
NamingListener l) throws NamingException;
/**
* Adds a listener for receiving naming events fired when
* objects identified by the search filter <tt>filter</tt> at the
* object named by the string target name are modified.
* See the overload that accepts a <tt>Name</tt> for details of
* how this method behaves.
*
* @param target The nonnull string name of the object resolved relative to this context.
* @param filter The nonnull string filter (see RFC2254).
* @param ctls The possibly null search controls. If null, the default
* search controls is used.
* @param l The nonnull listener.
* @exception NamingException If a problem was encountered while
* adding the listener.
* @see EventContext#removeNamingListener
* @see javax.naming.directory.DirContext#search(java.lang.String, java.lang.String, javax.naming.directory.SearchControls)
*/
void addNamingListener(String target, String filter, SearchControls ctls,
NamingListener l) throws NamingException;
/**
* Adds a listener for receiving naming events fired
* when objects identified by the search filter <tt>filter</tt> and
* filter arguments at the object named by the target are modified.
* The scope, returningObj flag, and returningAttributes flag from
* the search controls <tt>ctls</tt> are used to control the selection
* of objects that the listener is interested in,
* and determines what information is returned in the eventual
* <tt>NamingEvent</tt> object. Note that the requested
* information to be returned might not be present in the <tt>NamingEvent</tt>
* object if they are unavailable or could not be obtained by the
* service provider or service.
*
* @param target The nonnull name of the object resolved relative to this context.
* @param filter The nonnull string filter (see RFC2254).
* @param filterArgs The possibly null array of arguments for the filter.
* @param ctls The possibly null search controls. If null, the default
* search controls are used.
* @param l The nonnull listener.
* @exception NamingException If a problem was encountered while
* adding the listener.
* @see EventContext#removeNamingListener
* @see javax.naming.directory.DirContext#search(javax.naming.Name, java.lang.String, java.lang.Object[], javax.naming.directory.SearchControls)
*/
void addNamingListener(Name target, String filter, Object[] filterArgs,
SearchControls ctls, NamingListener l) throws NamingException;
/**
* Adds a listener for receiving naming events fired when
* objects identified by the search filter <tt>filter</tt>
* and filter arguments at the
* object named by the string target name are modified.
* See the overload that accepts a <tt>Name</tt> for details of
* how this method behaves.
*
* @param target The nonnull string name of the object resolved relative to this context.
* @param filter The nonnull string filter (see RFC2254).
* @param filterArgs The possibly null array of arguments for the filter.
* @param ctls The possibly null search controls. If null, the default
* search controls is used.
* @param l The nonnull listener.
* @exception NamingException If a problem was encountered while
* adding the listener.
* @see EventContext#removeNamingListener
* @see javax.naming.directory.DirContext#search(java.lang.String, java.lang.String, java.lang.Object[], javax.naming.directory.SearchControls) */
void addNamingListener(String target, String filter, Object[] filterArgs,
SearchControls ctls, NamingListener l) throws NamingException;
}
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