/*
 * Copyright (C) 2005-2010 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco 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 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco 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 Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */
package org.alfresco.repo.ownable.impl;

import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.security.OwnableService;

/**
 * A simple implementation that does not support ownership.
 * 
 * @author Andy Hind
 */
public class OwnableServiceNOOPImpl implements OwnableService
{

    public OwnableServiceNOOPImpl()
    {
        super();
    }

    public String getOwner(NodeRef nodeRef)
    {
        // Return null as there is no owner.
        return null;
    }

    public void setOwner(NodeRef nodeRef, String userName)
    {
        // No action.
    }

    public void takeOwnership(NodeRef nodeRef)
    {   
        // No action.
    }

    public boolean hasOwner(NodeRef nodeRef)
    {
        // There is no owner for any node.
        return false;
    }

}