Copyright (c) 2009, 2017 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2009, 2017 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.osgi.internal.serviceregistry;

import java.util.Map;
import org.osgi.framework.*;

ServiceEvent subtype for MODIFIED_ENDMATCH computation.
/**
 * ServiceEvent subtype for MODIFIED_ENDMATCH computation.
 *
 */
class ModifiedServiceEvent extends ServiceEvent {
	private static final long serialVersionUID = -5373850978543026102L;
	private final ServiceEvent modified;
	private final ServiceEvent modifiedEndMatch;
	private final Map<String, Object> previousProperties;

	
Create a ServiceEvent containing the service properties prior to modification.
Params:
reference – Reference to service with modified properties.
previousProperties – Service properties prior to modification./**
	 * Create a ServiceEvent containing the service properties prior to modification.
	 * 
	 * @param reference Reference to service with modified properties.
	 * @param previousProperties Service properties prior to modification.
	 */
	ModifiedServiceEvent(ServiceReference<?> reference, Map<String, Object> previousProperties) {
		super(ServiceEvent.MODIFIED, reference);
		this.modified = new ServiceEvent(ServiceEvent.MODIFIED, reference);
		this.modifiedEndMatch = new ServiceEvent(ServiceEvent.MODIFIED_ENDMATCH, reference);
		this.previousProperties = previousProperties;
	}

	
Return the service event of type MODIFIED.
Returns:
The service event of type MODIFIED./**
	 * Return the service event of type MODIFIED.
	 * 
	 * @return The service event of type MODIFIED.
	 */
	ServiceEvent getModifiedEvent() {
		return modified;
	}

	
Return the service event of type MODIFIED_ENDMATCH.
Returns:
The service event of type MODIFIED_ENDMATCH./**
	 * Return the service event of type MODIFIED_ENDMATCH.
	 * 
	 * @return The service event of type MODIFIED_ENDMATCH.
	 */
	ServiceEvent getModifiedEndMatchEvent() {
		return modifiedEndMatch;
	}

	
Return if the specified filter matches the previous service 
properties.
Params:
filter – The filer to evaluate using the previous service 
properties.
Returns:
True is the filter matches the previous service properties./**
	 * Return if the specified filter matches the previous service 
	 * properties.
	 * 
	 * @param filter The filer to evaluate using the previous service 
	 * properties.
	 * @return True is the filter matches the previous service properties.
	 */
	boolean matchPreviousProperties(Filter filter) {
		/* We use matches here since ServiceProperties already 
		 * does case insensitive lookup.
		 */
		return filter.matches(previousProperties);
	}
}