/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.felix.mosgi.jmx.rmiconnector.mx4j.remote;
import javax.management.NotificationFilter;
import javax.management.Notification;
import javax.management.ObjectName;
import javax.management.NotificationListener;
/**
*
* @author <a href="mailto:biorn_steedom@users.sourceforge.net">Simone Bordet</a>
* @version $Revision: 1.1.1.1 $
*/
public class NotificationTuple
{
private static final NotificationFilter NO_FILTER = new NotificationFilter()
{
public boolean isNotificationEnabled(Notification notification)
{
return true;
}
public String toString()
{
return "no filter";
}
};
private static final Object NO_HANDBACK = new Object()
{
public String toString()
{
return "no handback";
}
};
private final ObjectName observed;
private final NotificationListener listener;
private final NotificationFilter filter;
private final Object handback;
private boolean invokeFilter;
public NotificationTuple(ObjectName observed, NotificationListener listener)
{
this(observed, listener, NO_FILTER, NO_HANDBACK);
}
public NotificationTuple(ObjectName observed, NotificationListener listener, NotificationFilter filter, Object handback)
{
this.observed = observed;
this.listener = listener;
this.filter = filter;
this.handback = handback;
this.invokeFilter = false;
}
public NotificationListener getNotificationListener()
{
return listener;
}
public Object getHandback()
{
if (handback == NO_HANDBACK) return null;
return handback;
}
public NotificationFilter getNotificationFilter()
{
if (filter == NO_FILTER) return null;
return filter;
}
public void setInvokeFilter(boolean invoke)
{
this.invokeFilter = invoke;
}
public boolean getInvokeFilter()
{
if (!invokeFilter) return false;
NotificationFilter filter = getNotificationFilter();
if (filter == null) return false;
return true;
}
public boolean equals(Object obj)
{
if (this == obj) return true;
if (!(obj instanceof NotificationTuple)) return false;
final NotificationTuple other = (NotificationTuple)obj;
if (!observed.equals(other.observed)) return false;
if (!listener.equals(other.listener)) return false;
// Special treatment for special filter
if (filter == NO_FILTER) return true;
if (other.filter == NO_FILTER) return true;
if (filter != null ? !filter.equals(other.filter) : other.filter != null) return false;
if (handback != null ? !handback.equals(other.handback) : other.handback != null) return false;
return true;
}
public int hashCode()
{
int result;
result = observed.hashCode();
result = 29 * result + listener.hashCode();
result = 29 * result + (filter != null ? filter.hashCode() : 0);
result = 29 * result + (handback != null ? handback.hashCode() : 0);
return result;
}
public String toString()
{
StringBuffer buffer = new StringBuffer("NotificationTuple [");
buffer.append(observed).append(", ");
buffer.append(listener).append(", ");
buffer.append(filter).append(", ");
buffer.append(handback).append("]");
return buffer.toString();
}
}