/* ======================================================================
   Parts Copyright 2006 University of Leeds, Oxford University, University of the Highlands and Islands.

   Licensed 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

       http://www.apache.org/licenses/LICENSE-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.bodington.server;

/**
 * Interface for quota object that is internally used and so implements adjust.
 * @author buckett
 */
public interface QuotaMetadatum extends Quota
{
    
    
    /**
     * Set the quota. 
     * @throws BuildingServerException 
     */
    public void setQuota( long quota ) throws BuildingServerException;
   
    public Object getLock();
    
    public void adjustUsage(long adjustment) throws BuildingServerException;
    
    public boolean hasQuota();
    

}
