Coverage Report - org.apache.ojb.odmg.states.StateOldClean
 
Classes in this File Line Coverage Branch Coverage Complexity
StateOldClean
N/A
N/A
1
 
 1  
 package org.apache.ojb.odmg.states;
 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.odmg.ObjectEnvelope;
 19  
 
 20  
 /**
 21  
  * this state represents old Objects (i.e. already persistent but not changed during tx)
 22  
  * --> no need to do anything for commit or rollback
 23  
  */
 24  
 public class StateOldClean extends ModificationState
 25  
 {
 26  
     private static StateOldClean _instance = new StateOldClean();
 27  
 
 28  
     /**
 29  
      * private constructor: use singleton instance
 30  
      */
 31  
     private StateOldClean()
 32  
     {
 33  
 
 34  
     }
 35  
 
 36  
     /**
 37  
      * perform a checkpoint, i.e. perform updates on underlying db but keep locks on objects
 38  
      */
 39  
     public static StateOldClean getInstance()
 40  
     {
 41  
         return _instance;
 42  
     }
 43  
 
 44  
     /**
 45  
      * return resulting state after marking clean
 46  
      */
 47  
     public ModificationState markClean()
 48  
     {
 49  
         return this;
 50  
     }
 51  
 
 52  
     /**
 53  
      * return resulting state after marking delete
 54  
      */
 55  
     public ModificationState markDelete()
 56  
     {
 57  
         return StateOldDelete.getInstance();
 58  
     }
 59  
 
 60  
     /**
 61  
      * return resulting state after marking dirty
 62  
      */
 63  
     public ModificationState markDirty()
 64  
     {
 65  
         return StateOldDirty.getInstance();
 66  
     }
 67  
 
 68  
     /**
 69  
      * return resulting state after marking new
 70  
      */
 71  
     public ModificationState markNew()
 72  
     {
 73  
         return this;
 74  
     }
 75  
 
 76  
     /**
 77  
      * return resulting state after marking old
 78  
      */
 79  
     public ModificationState markOld()
 80  
     {
 81  
         return this;
 82  
     }
 83  
 
 84  
     /**
 85  
      * rollback the ObjectModification
 86  
      */
 87  
     public void checkpoint(ObjectEnvelope mod)
 88  
     {
 89  
 
 90  
     }
 91  
 
 92  
     /**
 93  
      * commit the associated transaction
 94  
      */
 95  
     public void commit(ObjectEnvelope mod)
 96  
     {
 97  
 
 98  
     }
 99  
 
 100  
     /**
 101  
      *
 102  
      */
 103  
     public void rollback(ObjectEnvelope mod)
 104  
     {
 105  
 
 106  
     }
 107  
 }