| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ObjectCacheEmptyImpl |
|
| 1.0;1 |
| 1 | package org.apache.ojb.broker.cache; | |
| 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.commons.lang.builder.ToStringBuilder; | |
| 19 | import org.apache.commons.lang.builder.ToStringStyle; | |
| 20 | import org.apache.ojb.broker.Identity; | |
| 21 | import org.apache.ojb.broker.PersistenceBroker; | |
| 22 | ||
| 23 | import java.util.Properties; | |
| 24 | ||
| 25 | /** | |
| 26 | * This is an 'empty' ObjectCache implementation. | |
| 27 | * Useful when caching was not desired. | |
| 28 | * <br/> | |
| 29 | * NOTE: This implementation does not prevent infinite loops caused by | |
| 30 | * 'circular references' of loaded object graphs. | |
| 31 | * (this will change in versions > 1.0). | |
| 32 | * | |
| 33 | * <p> | |
| 34 | * Implementation configuration properties: | |
| 35 | * </p> | |
| 36 | * | |
| 37 | * <table cellspacing="2" cellpadding="2" border="3" frame="box"> | |
| 38 | * <tr> | |
| 39 | * <td><strong>Property Key</strong></td> | |
| 40 | * <td><strong>Property Values</strong></td> | |
| 41 | * </tr> | |
| 42 | * <tr> | |
| 43 | * <td> - </td> | |
| 44 | * <td> | |
| 45 | * - | |
| 46 | * </td> | |
| 47 | * </tr> | |
| 48 | * </table> | |
| 49 | * | |
| 50 | * @author Thomas Mahler | |
| 51 | * @version $Id: ObjectCacheEmptyImpl.java,v 1.1 2007-08-24 22:17:29 ewestfal Exp $ | |
| 52 | * | |
| 53 | */ | |
| 54 | public class ObjectCacheEmptyImpl implements ObjectCache | |
| 55 | { | |
| 56 | ||
| 57 | public ObjectCacheEmptyImpl(PersistenceBroker broker, Properties prop) | |
| 58 | { | |
| 59 | ||
| 60 | } | |
| 61 | ||
| 62 | /** | |
| 63 | * @see org.apache.ojb.broker.cache.ObjectCache#cache(Identity, Object) | |
| 64 | */ | |
| 65 | public void cache(Identity oid, Object obj) | |
| 66 | { | |
| 67 | //do nothing | |
| 68 | } | |
| 69 | ||
| 70 | /** | |
| 71 | * @see org.apache.ojb.broker.cache.ObjectCache#lookup(Identity) | |
| 72 | */ | |
| 73 | public Object lookup(Identity oid) | |
| 74 | { | |
| 75 | return null; | |
| 76 | } | |
| 77 | ||
| 78 | /** | |
| 79 | * @see org.apache.ojb.broker.cache.ObjectCache#remove(Identity) | |
| 80 | */ | |
| 81 | public void remove(Identity oid) | |
| 82 | { | |
| 83 | //do nothing | |
| 84 | } | |
| 85 | ||
| 86 | /** | |
| 87 | * @see org.apache.ojb.broker.cache.ObjectCache#clear() | |
| 88 | */ | |
| 89 | public void clear() | |
| 90 | { | |
| 91 | //do nothing | |
| 92 | } | |
| 93 | ||
| 94 | public String toString() | |
| 95 | { | |
| 96 | ToStringBuilder buf = new ToStringBuilder(this, ToStringStyle.DEFAULT_STYLE); | |
| 97 | return buf.toString(); | |
| 98 | } | |
| 99 | } | |
| 100 |