package org.apache.ojb.otm.lock.map;

 /* Copyright 2003-2005 The Apache Software Foundation

  *

  * 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.

  */

 import org.apache.ojb.broker.Identity;

 import org.apache.ojb.otm.lock.ObjectLock;

 /**

  *

  * <javadoc>

  *

  * @author <a href="mailto:rraghuram@hotmail.com">Raghu Rajah</a>

  *

  */

 public interface LockMap

 {

     public ObjectLock getLock(Identity oid);

     /**

      * This is "garbage collection" - remove free locks from 

      * the map. This method is called at the end of each transaction.

      * Maybe that would be better to call it by timer?

      */

     public void gc();

 }