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  /*
   * Copyright (c) OSGi Alliance (2000, 2011). All Rights Reserved.
   * 
   * Licensed 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.osgi.framework;
 
An event from the Framework describing a service lifecycle change.

ServiceEvent objects are delivered to ServiceListeners and AllServiceListeners when a change occurs in this service's lifecycle. A type code is used to identify the event type for future extendability.

OSGi Alliance reserves the right to extend the set of types.

Version:
$Id: 670625e507deac1b5e6930fa448711c383e10d1a $
See also:
ServiceListener
AllServiceListener
Immutable:
 
 
 public class ServiceEvent extends EventObject {
 	static final long				serialVersionUID	= 8792901483909409299L;
Reference to the service that had a change occur in its lifecycle.
 
 	private final ServiceReference< ? >	reference;

Type of service lifecycle change.
 
 	private final int				type;

This service has been registered.

This event is synchronously delivered after the service has been registered with the Framework.

 
 	public final static int			REGISTERED			= 0x00000001;

The properties of a registered service have been modified.

This event is synchronously delivered after the service properties have been modified.

 
 	public final static int			MODIFIED			= 0x00000002;

This service is in the process of being unregistered.

This event is synchronously delivered before the service has completed unregistering.

If a bundle is using a service that is UNREGISTERING, the bundle should release its use of the service when it receives this event. If the bundle does not release its use of the service when it receives this event, the Framework will automatically release the bundle's use of the service while completing the service unregistration operation.

 
 	public final static int			UNREGISTERING		= 0x00000004;

The properties of a registered service have been modified and the new properties no longer match the listener's filter.

This event is synchronously delivered after the service properties have been modified. This event is only delivered to listeners which were added with a non-null filter where the filter matched the service properties prior to the modification but the filter does not match the modified service properties.

	public final static int			MODIFIED_ENDMATCH	= 0x00000008;

Creates a new service event object.

Parameters:
type The event type.
reference A ServiceReference object to the service that had a lifecycle change.
	public ServiceEvent(int typeServiceReference< ? > reference) {
		super(reference);
		this. = reference;
		this. = type;
	}

Returns a reference to the service that had a change occur in its lifecycle.

This reference is the source of the event.

Returns:
Reference to the service that had a lifecycle change.
		return ;
	}

Returns the type of event. The event type values are:

Returns:
Type of service lifecycle change.
	public int getType() {
		return ;
	}
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