Coverage Report - org.apache.ojb.odmg.locking.LockMap
 
Classes in this File Line Coverage Branch Coverage Complexity
LockMap
N/A
N/A
1
 
 1  
 package org.apache.ojb.odmg.locking;
 2  
 
 3  
 /* Copyright 2002-2005 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.broker.util.configuration.Configurable;
 19  
 import org.apache.ojb.odmg.TransactionImpl;
 20  
 
 21  
 import java.util.Collection;
 22  
 
 23  
 /**
 24  
  * @deprecated 
 25  
  */
 26  
 public interface LockMap extends Configurable
 27  
 {
 28  
     /**
 29  
      * returns the LockEntry for the Writer of object obj.
 30  
      * If now writer exists, null is returned.
 31  
      */
 32  
     public LockEntry getWriter(Object obj);
 33  
 
 34  
     /**
 35  
      * returns a collection of Reader LockEntries for object obj.
 36  
      * If now LockEntries could be found an empty Vector is returned.
 37  
      */
 38  
     public Collection getReaders(Object obj);
 39  
 
 40  
     /**
 41  
      * Add a reader lock entry for transaction tx on object obj
 42  
      * to the persistent storage.
 43  
      */
 44  
     public boolean addReader(TransactionImpl tx, Object obj);
 45  
 
 46  
     /**
 47  
      * remove a reader lock entry for transaction tx on object obj
 48  
      * from the persistent storage.
 49  
      */
 50  
     public void removeReader(TransactionImpl tx, Object obj);
 51  
 
 52  
     /**
 53  
      * remove a writer lock entry for transaction tx on object obj
 54  
      * from the persistent storage.
 55  
      */
 56  
     public void removeWriter(LockEntry writer);
 57  
 
 58  
     /**
 59  
      * upgrade a reader lock entry for transaction tx on object obj
 60  
      * and write it to the persistent storage.
 61  
      */
 62  
     public boolean upgradeLock(LockEntry reader);
 63  
 
 64  
     /**
 65  
      * generate a writer lock entry for transaction tx on object obj
 66  
      * and write it to the persistent storage.
 67  
      */
 68  
     public boolean setWriter(TransactionImpl tx, Object obj);
 69  
 
 70  
     /**
 71  
      * check if there is a reader lock entry for transaction tx on object obj
 72  
      * in the persistent storage.
 73  
      */
 74  
     public boolean hasReadLock(TransactionImpl tx, Object obj);
 75  
 }