/**
* Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright ownership. Apereo
* licenses this file to you 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 the
* following location:
*
* <p>http://www.apache.org/licenses/LICENSE-2.0
*
* <p>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.apereo.portal.groups.pags.dao;
import net.sf.ehcache.Element;
import net.sf.ehcache.search.attribute.AttributeExtractor;
import net.sf.ehcache.search.attribute.AttributeExtractorException;
import org.apereo.portal.EntityIdentifier;
/**
* Used within Ehcache to find keys that reference the specified username.
*
* @since 5.0
*/
public class EhcacheMemberIdAttributeExtractor implements AttributeExtractor {
@Override
public Object attributeFor(Element element, String attributeName)
throws AttributeExtractorException {
final MembershipCacheKey membershipCacheKey = (MembershipCacheKey) element.getObjectKey();
final EntityIdentifier ei = membershipCacheKey.getMemberId();
return ei.getKey();
}
}