com.mycomm.dao.dao4comm.cache.DefaultCache Maven / Gradle / Ivy
/*
* Copyright 2018 jw362j.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.mycomm.dao.dao4comm.cache;
import com.mycomm.IProtocol.cache.TableCacheService;
import java.util.HashMap;
import java.util.Map;
import com.mycomm.IProtocol.cache.LruMapCache;
/**
*
* @author jw362j
*/
public class DefaultCache implements TableCacheService {
private static final org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(DefaultCache.class);
private final static Map> cacheContainer = new HashMap>(100);
final private static Object object = new Object();
public Object get(Class clz, long id) {
if (clz == null || id < 0) {
return null;
}
LruMapCache table = cacheContainer.get(clz);
if (table == null) {
return null;
}
if (table.containsKey(id)) {
Object o = table.get(id);
logger.info("the cached item:" + o + " ***************");
return o;
}
return null;
}
public void put(Class clz, Object obj, long id) {
synchronized (object) {
LruMapCache table = cacheContainer.get(clz);
if (table == null) {
table = new LruMapCache(10000);
table.put(id, obj);
cacheContainer.put(clz, table);
return;
}
table.put(id, obj);
}
}
public void removeObject(Class clz, long id) {
synchronized (object) {
if (!cacheContainer.containsKey(clz)) {
return;
}
LruMapCache table = cacheContainer.get(clz);
if (table == null) {
return;
}
if (table.containsKey(id)) {
table.remove(id);
}
}
}
public Map getCachedTable(Class clz) {
if (clz == null) {
return null;
}
LruMapCache cachedTable = cacheContainer.get(clz);
return cachedTable;
}
}