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org.apache.jcs.auxiliary.disk.block.BlockDiskCacheAttributes |
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1 | package org.apache.jcs.auxiliary.disk.block; |
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2 | ||
3 | /* |
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4 | * Licensed to the Apache Software Foundation (ASF) under one |
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5 | * or more contributor license agreements. See the NOTICE file |
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6 | * distributed with this work for additional information |
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7 | * regarding copyright ownership. The ASF licenses this file |
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8 | * to you under the Apache License, Version 2.0 (the |
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9 | * "License"); you may not use this file except in compliance |
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10 | * with the License. You may obtain a copy of the License at |
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11 | * |
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12 | * http://www.apache.org/licenses/LICENSE-2.0 |
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13 | * |
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14 | * Unless required by applicable law or agreed to in writing, |
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15 | * software distributed under the License is distributed on an |
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16 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
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17 | * KIND, either express or implied. See the License for the |
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18 | * specific language governing permissions and limitations |
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19 | * under the License. |
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20 | */ |
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21 | ||
22 | import org.apache.jcs.auxiliary.disk.AbstractDiskCacheAttributes; |
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23 | ||
24 | /** |
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25 | * This holds attributes for Block Disk Cache configuration. |
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26 | * <p> |
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27 | * @author Aaron Smuts |
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28 | */ |
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29 | 40 | public class BlockDiskCacheAttributes |
30 | extends AbstractDiskCacheAttributes |
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31 | { |
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32 | /** Don't change */ |
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33 | private static final long serialVersionUID = 6568840097657265989L; |
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34 | ||
35 | /** The size per block in bytes. */ |
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36 | private int blockSizeBytes; |
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37 | ||
38 | /** Maximum number of keys to be kept in memory */ |
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39 | private static final int DEFAULT_MAX_KEY_SIZE = 5000; |
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40 | ||
41 | /** -1 means no limit. */ |
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42 | 40 | private int maxKeySize = DEFAULT_MAX_KEY_SIZE; |
43 | ||
44 | /** How often should we persist the keys. */ |
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45 | private static final long DEFAULT_KEY_PERSISTENCE_INTERVAL_SECONDS = 5 * 60; |
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46 | ||
47 | /** The keys will be persisted at this interval. -1 mean never. */ |
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48 | 40 | private long keyPersistenceIntervalSeconds = DEFAULT_KEY_PERSISTENCE_INTERVAL_SECONDS; |
49 | ||
50 | /** |
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51 | * The size of the blocks. All blocks are the same size. |
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52 | * <p> |
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53 | * @param blockSizeBytes The blockSizeBytes to set. |
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54 | */ |
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55 | public void setBlockSizeBytes( int blockSizeBytes ) |
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56 | { |
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57 | 16 | this.blockSizeBytes = blockSizeBytes; |
58 | 16 | } |
59 | ||
60 | /** |
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61 | * @return Returns the blockSizeBytes. |
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62 | */ |
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63 | public int getBlockSizeBytes() |
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64 | { |
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65 | 415 | return blockSizeBytes; |
66 | } |
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67 | ||
68 | /** |
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69 | * @param maxKeySize The maxKeySize to set. |
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70 | */ |
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71 | public void setMaxKeySize( int maxKeySize ) |
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72 | { |
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73 | 48 | this.maxKeySize = maxKeySize; |
74 | 48 | } |
75 | ||
76 | /** |
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77 | * @return Returns the maxKeySize. |
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78 | */ |
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79 | public int getMaxKeySize() |
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80 | { |
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81 | 240 | return maxKeySize; |
82 | } |
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83 | ||
84 | /** |
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85 | * @param keyPersistenceIntervalSeconds The keyPersistenceIntervalSeconds to set. |
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86 | */ |
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87 | public void setKeyPersistenceIntervalSeconds( long keyPersistenceIntervalSeconds ) |
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88 | { |
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89 | 0 | this.keyPersistenceIntervalSeconds = keyPersistenceIntervalSeconds; |
90 | 0 | } |
91 | ||
92 | /** |
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93 | * @return Returns the keyPersistenceIntervalSeconds. |
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94 | */ |
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95 | public long getKeyPersistenceIntervalSeconds() |
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96 | { |
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97 | 368 | return keyPersistenceIntervalSeconds; |
98 | } |
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99 | ||
100 | /** |
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101 | * Write out the values for debugging purposes. |
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102 | * <p> |
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103 | * @return String |
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104 | */ |
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105 | public String toString() |
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106 | { |
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107 | 112 | StringBuffer str = new StringBuffer(); |
108 | 112 | str.append( "\nBlockDiskAttributes " ); |
109 | 112 | str.append( "\n DiskPath [" + this.getDiskPath() + "]" ); |
110 | 112 | str.append( "\n MaxKeySize [" + this.getMaxKeySize() + "]" ); |
111 | 112 | str.append( "\n MaxPurgatorySize [" + this.getMaxPurgatorySize() + "]" ); |
112 | 112 | str.append( "\n BlockSizeBytes [" + this.getBlockSizeBytes() + "]" ); |
113 | 112 | str.append( "\n KeyPersistenceIntervalSeconds [" + this.getKeyPersistenceIntervalSeconds() + "]" ); |
114 | 112 | return str.toString(); |
115 | } |
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116 | } |
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