/**
 *  Copyright (C) 2011 Citrix Systems, Inc.  All rights reserved.
 * 
 * This software is licensed under the GNU General Public License v3 or later.
 * 
 * It 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 3 of the License, or 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, see <http://www.gnu.org/licenses/>.
 * 
 */
package com.cloud.network.security;

import java.util.List;
import java.util.Set;


/**
 * Security Group Work queue 
 * standard producer / consumer interface
 *
 */
public interface SecurityGroupWorkQueue {
    
    void submitWorkForVm(long vmId, long sequenceNumber);
    
    int submitWorkForVms(Set<Long> vmIds);
    
    List<SecurityGroupWork> getWork(int numberOfWorkItems) throws InterruptedException;
    
    int size();
    
    void clear();
    
    List<Long> getVmsInQueue();
}