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    1   /**
    2    *
    3    * Copyright 2003-2004 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   package org.apache.geronimo.transaction.log;
   19   
   20   import java.util.ArrayList;
   21   import java.util.Collection;
   22   import java.util.List;
   23   
   24   import javax.transaction.xa.Xid;
   25   
   26   import org.apache.geronimo.transaction.manager.LogException;
   27   import org.apache.geronimo.transaction.manager.TransactionLog;
   28   import org.apache.geronimo.transaction.manager.XidFactory;
   29   
   30   /**
   31    * A log sink that doesn't actually do anything.
   32    * Not recommended for production use as heuristic recovery will be needed if
   33    * the transaction coordinator dies.
   34    *
   35    * @version $Rev: 54973 $ $Date: 2004-10-17 13:06:11 -0700 (Sun, 17 Oct 2004) $
   36    */
   37   public class UnrecoverableLog implements TransactionLog {
   38       public void begin(Xid xid) throws LogException {
   39       }
   40   
   41       public Object prepare(Xid xid, List branches) throws LogException {
   42           return null;
   43       }
   44   
   45       public void commit(Xid xid, Object logMark) throws LogException {
   46       }
   47   
   48       public void rollback(Xid xid, Object logMark) throws LogException {
   49       }
   50   
   51       public Collection recover(XidFactory xidFactory) throws LogException {
   52           return new ArrayList();
   53       }
   54   
   55       public String getXMLStats() {
   56           return null;
   57       }
   58   
   59       public int getAverageForceTime() {
   60           return 0;
   61       }
   62   
   63       public int getAverageBytesPerForce() {
   64           return 0;
   65       }
   66   }

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