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Diffstat (limited to 'libjava/classpath/gnu/javax/management/ListenerData.java')
-rw-r--r-- | libjava/classpath/gnu/javax/management/ListenerData.java | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/management/ListenerData.java b/libjava/classpath/gnu/javax/management/ListenerData.java new file mode 100644 index 000000000..31fdeccf0 --- /dev/null +++ b/libjava/classpath/gnu/javax/management/ListenerData.java @@ -0,0 +1,136 @@ +/* ListenerData.java - Class to contain data about management bean listeners + Copyright (C) 2006 Free Software Foundation + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.javax.management; + +import javax.management.NotificationFilter; +import javax.management.NotificationListener; + +/** + * Container for data on management listeners. Wraps + * a {@link javax.management.NotificationListener}, + * {@link javax.management.NotificationFilter} and + * passback object in one class. + * + * @author Andrew John Hughes (gnu_andrew@member.fsf.org) + * @since 1.5 + */ +public class ListenerData +{ + /** + * The listener itself. + */ + private NotificationListener listener; + + /** + * A filter to apply to incoming events. + */ + private NotificationFilter filter; + + /** + * An object to pass back to the listener on an + * event occurring. + */ + private Object passback; + + /** + * Constructs a new {@link ListenerData} with the specified + * listener, filter and passback object. + * + * @param listener the listener itself. + * @param filter the filter for incoming events. + * @param passback the object to passback on an incoming event. + */ + public ListenerData(NotificationListener listener, + NotificationFilter filter, Object passback) + { + this.listener = listener; + this.filter = filter; + this.passback = passback; + } + + /** + * Returns the listener. + * + * @return the listener. + */ + public NotificationListener getListener() + { + return listener; + } + + /** + * Returns the filter. + * + * @return the filter. + */ + public NotificationFilter getFilter() + { + return filter; + } + + /** + * Returns the passback object. + * + * @return the passback object. + */ + public Object getPassback() + { + return passback; + } + + /** + * Returns true if the supplied object is an instance of + * {@link ListenerData} and has the same listener, filter + * and passback object. + * + * @param obj the object to check. + * @return true if <code>obj</code> is equal to this. + */ + public boolean equals(Object obj) + { + if (obj instanceof ListenerData) + { + ListenerData data = (ListenerData) obj; + return (data.getListener() == listener && + data.getFilter() == filter && + data.getPassback() == passback); + } + return false; + } + +} |