/**
* $Id: AccessProviderManagerImpl.java 105077 2012-02-24 22:54:29Z ottenhoff@longsight.com $
* $URL: https://source.sakaiproject.org/svn/entitybroker/trunk/utils/src/java/org/sakaiproject/entitybroker/util/access/AccessProviderManagerImpl.java $
* AccessProviderManagerImpl.java - entity-broker - Apr 6, 2008 9:03:03 AM - azeckoski
**************************************************************************
* Copyright (c) 2007, 2008, 2009 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.entitybroker.util.access;
import java.util.Map;
import org.azeckoski.reflectutils.refmap.ReferenceMap;
import org.azeckoski.reflectutils.refmap.ReferenceType;
/**
* A common generic implementation class for managers of different kinds of access providers.
*
* @author Antranig Basman (antranig@caret.cam.ac.uk)
* @author Aaron Zeckoski (aaron@caret.cam.ac.uk)
*/
public class AccessProviderManagerImpl<T> {
private Map<String, T> prefixMap = new ReferenceMap<String, T>(ReferenceType.STRONG, ReferenceType.WEAK);
// replaced with a reference map
//private Map<String, WeakReference<T>> prefixMap = new ConcurrentHashMap<String, WeakReference<T>>();
public void registerProvider(String prefix, T provider) {
prefixMap.put(prefix, provider);
}
public void unregisterProvider(String prefix, T provider) {
prefixMap.remove(prefix);
}
public void unregisterProvider(String prefix) {
prefixMap.remove(prefix);
}
public T getProvider(String prefix) {
return prefixMap.get(prefix);
}
}