/*
 * Copyright (C) 2005-2007 Alfresco Software Limited.
 *
 * This program 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
 * of the License, or (at your option) any later version.

 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

 * As a special exception to the terms and conditions of version 2.0 of 
 * the GPL, you may redistribute this Program in connection with Free/Libre 
 * and Open Source Software ("FLOSS") applications as described in Alfresco's 
 * FLOSS exception.  You should have recieved a copy of the text describing 
 * the FLOSS exception, and it is also available here: 
 * http://www.alfresco.com/legal/licensing"
 */
package org.alfresco.repo.policy;

import java.util.Collection;


/**
 * Index of Bound Behaviours.
 * 
 * @author David Caruana
 *
 * @param <B>  the type of Binding.
 */
/*package*/ interface BehaviourIndex<B extends BehaviourBinding>
{
    /**
     * Gets all bound behaviours
     * 
     * @return  the bound behaviours
     */
    public Collection<BehaviourDefinition> getAll();
    
    /**
     * Gets all bound behaviours for the specified binding.
     * 
     * Note: The index may use any algorithm for determining which behaviours
     *       are returned for the binding e.g. based on hierarchical binding
     *       
     * @param binding  the binding
     * @return  the associated behaviours
     */
    public Collection<BehaviourDefinition> find(B binding);

    /**
     * Add a Behaviour Change Observer.
     * 
     * @param observer  the observer
     */
    public void addChangeObserver(BehaviourChangeObserver<B> observer);
    
    /**
     * Gets the behaviour filter
     *  
     * @return  the behaviour filter
     */
    public BehaviourFilter getFilter();
}