Coverage report

  %line %branch
org.apache.jcs.auxiliary.lateral.LateralCacheRestore
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 1   
 package org.apache.jcs.auxiliary.lateral;
 2   
 
 3   
 /*
 4   
  * Licensed to the Apache Software Foundation (ASF) under one
 5   
  * or more contributor license agreements.  See the NOTICE file
 6   
  * distributed with this work for additional information
 7   
  * regarding copyright ownership.  The ASF licenses this file
 8   
  * to you under the Apache License, Version 2.0 (the
 9   
  * "License"); you may not use this file except in compliance
 10   
  * with the License.  You may obtain a copy of the License at
 11   
  *
 12   
  *   http://www.apache.org/licenses/LICENSE-2.0
 13   
  *
 14   
  * Unless required by applicable law or agreed to in writing,
 15   
  * software distributed under the License is distributed on an
 16   
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 17   
  * KIND, either express or implied.  See the License for the
 18   
  * specific language governing permissions and limitations
 19   
  * under the License.
 20   
  */
 21   
 
 22   
 import org.apache.commons.logging.Log;
 23   
 import org.apache.commons.logging.LogFactory;
 24   
 import org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheManager;
 25   
 import org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheObserver;
 26   
 import org.apache.jcs.auxiliary.lateral.behavior.ILateralCacheService;
 27   
 import org.apache.jcs.engine.behavior.ICacheRestore;
 28   
 
 29   
 /**
 30   
  * Used to repair the lateral caches managed by the associated instance of
 31   
  * LateralCacheManager.
 32   
  *
 33   
  */
 34   
 public class LateralCacheRestore
 35   
     implements ICacheRestore
 36   
 {
 37  0 
     private final static Log log = LogFactory.getLog( LateralCacheRestore.class );
 38   
 
 39   
     private final ILateralCacheManager lcm;
 40   
 
 41  0 
     private boolean canFix = true;
 42   
 
 43   
     private Object lateralObj;
 44   
 
 45   
     /**
 46   
      * Constructs with the given instance of LateralCacheManager.
 47   
      *
 48   
      * @param lcm
 49   
      */
 50   
     public LateralCacheRestore( ILateralCacheManager lcm )
 51  0 
     {
 52  0 
         this.lcm = lcm;
 53  0 
     }
 54   
 
 55   
     /**
 56   
      * Returns true iff the connection to the lateral host for the corresponding
 57   
      * cache manager can be successfully re-established.
 58   
      *
 59   
      * @return whether or not the cache can be fixed.
 60   
      */
 61   
     public boolean canFix()
 62   
     {
 63  0 
         if ( !canFix )
 64   
         {
 65  0 
             return canFix;
 66   
         }
 67   
 
 68   
         try
 69   
         {
 70  0 
             lateralObj = lcm.fixService();
 71   
         }
 72  0 
         catch ( Exception ex )
 73   
         {
 74  0 
             log.error( "Can't fix " + ex.getMessage() );
 75  0 
             canFix = false;
 76  0 
         }
 77   
 
 78  0 
         return canFix;
 79   
     }
 80   
 
 81   
     /**
 82   
      * Fixes up all the caches managed by the associated cache manager.
 83   
      */
 84   
     public void fix()
 85   
     {
 86  0 
         if ( !canFix )
 87   
         {
 88  0 
             return;
 89   
         }
 90  0 
         lcm.fixCaches( (ILateralCacheService) lateralObj, (ILateralCacheObserver) lateralObj );
 91  0 
         String msg = "Lateral connection resumed.";
 92  0 
         log.info( msg );
 93  0 
         log.debug( msg );
 94  0 
     }
 95   
 }

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