Coverage report

  %line %branch
org.apache.jcs.auxiliary.disk.block.BlockDiskElementDescriptor
59% 
88% 

 1  
 package org.apache.jcs.auxiliary.disk.block;
 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 java.io.Externalizable;
 23  
 import java.io.IOException;
 24  
 import java.io.ObjectInput;
 25  
 import java.io.ObjectOutput;
 26  
 import java.io.Serializable;
 27  
 
 28  
 /**
 29  
  * This represents an element on disk. This is used when we persist the keys. We only store the
 30  
  * block addresses in memory. We don't need the length here, since all the blocks are the same size
 31  
  * receyle bin.
 32  
  * <p>
 33  
  * @author Aaron Smuts
 34  
  */
 35  55946
 public class BlockDiskElementDescriptor
 36  
     implements Serializable, Externalizable
 37  
 {
 38  
     /** Don't change */
 39  
     private static final long serialVersionUID = -1400659301208101411L;
 40  
 
 41  
     /** The key */
 42  
     private Serializable key;
 43  
 
 44  
     /** The array of block numbers */
 45  
     private int[] blocks;
 46  
 
 47  
     /**
 48  
      * @param key The key to set.
 49  
      */
 50  
     public void setKey( Serializable key )
 51  
     {
 52  22302
         this.key = key;
 53  22309
     }
 54  
 
 55  
     /**
 56  
      * @return Returns the key.
 57  
      */
 58  
     public Serializable getKey()
 59  
     {
 60  33649
         return key;
 61  
     }
 62  
 
 63  
     /**
 64  
      * @param blocks The blocks to set.
 65  
      */
 66  
     public void setBlocks( int[] blocks )
 67  
     {
 68  22321
         this.blocks = blocks;
 69  22327
     }
 70  
 
 71  
     /**
 72  
      * This holds the block numbers. An item my be dispersed between multiple blocks.
 73  
      * <p>
 74  
      * @return Returns the blocks.
 75  
      */
 76  
     public int[] getBlocks()
 77  
     {
 78  33649
         return blocks;
 79  
     }
 80  
 
 81  
     /**
 82  
      * For debugging.
 83  
      * <p>
 84  
      * @return Info on the descriptor.
 85  
      */
 86  
     public String toString()
 87  
     {
 88  0
         StringBuffer buf = new StringBuffer();
 89  0
         buf.append( "\nBlockDiskElementDescriptor" );
 90  0
         buf.append( "\n key [" + this.getKey() + "]" );
 91  0
         buf.append( "\n blocks [" );
 92  0
         if ( this.getBlocks() != null )
 93  
         {
 94  0
             for ( int i = 0; i < blocks.length; i++ )
 95  
             {
 96  0
                 buf.append( this.getBlocks()[i] );
 97  
             }
 98  
         }
 99  0
         buf.append( "]" );
 100  0
         return buf.toString();
 101  
     }
 102  
 
 103  
     /**
 104  
      * Saves on reflection.
 105  
      * <p>
 106  
      * (non-Javadoc)
 107  
      * @see java.io.Externalizable#readExternal(java.io.ObjectInput)
 108  
      */
 109  
     public void readExternal( ObjectInput input )
 110  
         throws IOException, ClassNotFoundException
 111  
     {
 112  33649
         this.key = (Serializable) input.readObject();
 113  33649
         this.blocks = (int[]) input.readObject();
 114  33649
     }
 115  
 
 116  
     /**
 117  
      * Saves on reflection.
 118  
      * <p>
 119  
      * (non-Javadoc)
 120  
      * @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
 121  
      */
 122  
     public void writeExternal( ObjectOutput output )
 123  
         throws IOException
 124  
     {
 125  22366
         output.writeObject( this.key );
 126  22371
         output.writeObject( this.blocks );
 127  22377
     }
 128  
 }

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