001 /* 002 * Copyright 2006-2008 The Kuali Foundation 003 * 004 * Licensed under the Educational Community License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.opensource.org/licenses/ecl2.php 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.kuali.rice.kns.util; 017 018 import java.util.Properties; 019 020 import org.apache.log4j.Logger; 021 import org.apache.ojb.broker.Identity; 022 import org.apache.ojb.broker.PersistenceBroker; 023 import org.apache.ojb.broker.cache.ObjectCachePerBrokerImpl; 024 025 public class KualiObjectCachePerBrokerImpl extends ObjectCachePerBrokerImpl { 026 private static final Logger LOG = Logger.getLogger(KualiObjectCachePerBrokerImpl.class); 027 028 029 private final String brokerId; 030 031 public KualiObjectCachePerBrokerImpl(PersistenceBroker broker, Properties prop) { 032 super(broker, prop); 033 brokerId = broker.getClass().getName() + "@" + broker.hashCode(); 034 035 LOG.debug("created objectCache for broker " + brokerId); 036 } 037 038 /** 039 * Clear ObjectCache. I.e. remove all entries for classes and objects. 040 */ 041 public void clear() { 042 super.clear(); 043 044 LOG.debug("cleared objectCache for broker " + brokerId); 045 } 046 047 /** 048 * @see org.apache.ojb.broker.cache.ObjectCachePerBrokerImpl#cache(org.apache.ojb.broker.Identity, java.lang.Object) 049 */ 050 public void cache(Identity oid, Object obj) { 051 super.cache(oid, obj); 052 053 boolean cached = (super.lookup(oid) != null); 054 LOG.debug((cached ? "cached oid " : "unable to cache oid ") + oid + " in objectCache for broker " + brokerId); 055 } 056 057 /** 058 * @see org.apache.ojb.broker.cache.ObjectCachePerBrokerImpl#cacheIfNew(org.apache.ojb.broker.Identity, java.lang.Object) 059 */ 060 public boolean cacheIfNew(Identity oid, Object obj) { 061 boolean cachedIfNew = super.cacheIfNew(oid, obj); 062 063 boolean cached = (super.lookup(oid) != null); 064 LOG.debug((cached ? "cached new oid " : "unable to cache new oid ") + oid + " in objectCache for broker " + brokerId); 065 066 return cachedIfNew; 067 } 068 069 /** 070 * @see org.apache.ojb.broker.cache.ObjectCachePerBrokerImpl#lookup(org.apache.ojb.broker.Identity) 071 */ 072 public Object lookup(Identity oid) { 073 Object o = super.lookup(oid); 074 075 LOG.debug((o != null ? "found oid " : "cannot find oid ") + oid + " in objectCache for broker " + brokerId); 076 077 return o; 078 } 079 }