1 package org.apache.ojb.otm.lock.wait; 2 3 /* Copyright 2003-2005 The Apache Software Foundation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 import org.apache.ojb.otm.core.Transaction; 19 import org.apache.ojb.otm.lock.LockingException; 20 import org.apache.ojb.otm.lock.ObjectLock; 21 22 /** 23 * 24 * LockWaitStrategy is responsible for waiting for a particular lock to be released. Typically, the 25 * LockWaitStrategy implements deadlock prevention/detection/recovery mechanisms. 26 * 27 * @author <a HREF="mailto:rraghuram@hotmail.com">Raghu Rajah</a> 28 * 29 */ 30 public interface LockWaitStrategy 31 { 32 33 /** 34 * @param lock The lock that the tx is waiting for 35 * @param tx The waiting tx 36 */ 37 public void waitForLock(ObjectLock lock, Transaction tx) 38 throws LockingException; 39 } 40