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/*******************************************************************************
* Copyright (c) 2003, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.osgi.framework.eventmgr;
/**
* ListElement is a package private class. This class
* represents a primary object (e.g. listener) and its companion object.
* ListElements are stored in EventListeners.
* ListElements are immutable.
*/
class ListElement {
/**
* Primary object.
*/
final Object primary;
/**
* Companion object.
*/
final Object companion;
/**
* Constructor for ElementList element
* @param primary Primary object in element. Used for uniqueness.
* @param companion Companion object stored with primary object.
*/
ListElement(final Object primary, final Object companion) {
this.primary = primary;
this.companion = companion;
}
}
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