/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.clustering.ejb.infinispan;
import java.util.Map;
import org.wildfly.clustering.marshalling.jboss.MarshallingContext;
import org.wildfly.clustering.marshalling.spi.MarshalledValue;
/**
* The cache entry for a bean group
*
* @author Paul Ferraro
*
* @param <I> the bean identifier type
* @param <T> the bean type
*/
public interface BeanGroupEntry<I, T> {
/**
* Returns the beans in this group indexed via identifier.
* @return a marshalled value
*/
MarshalledValue<Map<I, T>, MarshallingContext> getBeans();
/**
* Increments the usage count of the specified bean.
* @param id a bean identifier
* @return the previous usage count
*/
int incrementUsage(I id);
/**
* Decrements the usage count of the specified bean.
* @param id a bean identifier
* @return the current usage count
*/
int decrementUsage(I id);
/**
* The total usage counts for all beans in this group/
* @return the total usage count
*/
int totalUsage();
}