001/**
002 * Copyright 2005-2016 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 */
016package org.kuali.rice.krad.util;
017
018import java.util.Properties;
019
020import org.apache.log4j.Logger;
021import org.apache.ojb.broker.Identity;
022import org.apache.ojb.broker.PersistenceBroker;
023import org.apache.ojb.broker.cache.ObjectCachePerBrokerImpl;
024
025public 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}