/*
|
Copyright [2020] [https://www.xiaonuo.vip]
|
|
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.
|
|
Snowy采用APACHE LICENSE 2.0开源协议,您在使用过程中,需要注意以下几点:
|
|
1.请不要删除和修改根目录下的LICENSE文件。
|
2.请不要删除和修改Snowy源码头部的版权声明。
|
3.请保留源码和相关描述文件的项目出处,作者声明等。
|
4.分发源码时候,请注明软件出处 https://gitee.com/xiaonuobase/snowy
|
5.在修改包名,模块名称,项目代码等时,请注明软件出处 https://gitee.com/xiaonuobase/snowy
|
6.若您的项目无法满足以上几点,可申请商业授权,获取Snowy商业授权许可,请在官网购买授权,地址为 https://www.xiaonuo.vip
|
*/
|
package vip.xiaonuo.core.cache.base;
|
|
import cn.hutool.cache.impl.CacheObj;
|
import cn.hutool.cache.impl.TimedCache;
|
import cn.hutool.core.collection.CollectionUtil;
|
import cn.hutool.core.util.StrUtil;
|
import vip.xiaonuo.core.cache.CacheOperator;
|
|
import java.util.*;
|
|
/**
|
* 基于内存的缓存封装
|
*
|
* @author yubaoshan
|
* @date 2020/7/9 10:09
|
*/
|
public abstract class AbstractMemoryCacheOperator<T> implements CacheOperator<T> {
|
|
private final TimedCache<String, T> timedCache;
|
|
public AbstractMemoryCacheOperator(TimedCache<String, T> timedCache) {
|
this.timedCache = timedCache;
|
}
|
|
@Override
|
public void put(String key, T value) {
|
timedCache.put(getCommonKeyPrefix() + key, value);
|
}
|
|
@Override
|
public void put(String key, T value, Long timeoutSeconds) {
|
timedCache.put(getCommonKeyPrefix() + key, value, timeoutSeconds * 1000);
|
}
|
|
@Override
|
public T get(String key) {
|
// 如果用户在超时前调用了get(key)方法,会重头计算起始时间,false的作用就是不从头算
|
return timedCache.get(getCommonKeyPrefix() + key, true);
|
}
|
|
@Override
|
public void remove(String... key) {
|
if (key.length > 0) {
|
for (String itemKey : key) {
|
timedCache.remove(getCommonKeyPrefix() + itemKey);
|
}
|
}
|
}
|
|
@Override
|
public Collection<String> getAllKeys() {
|
Iterator<CacheObj<String, T>> cacheObjIterator = timedCache.cacheObjIterator();
|
ArrayList<String> keys = CollectionUtil.newArrayList();
|
while (cacheObjIterator.hasNext()) {
|
// 去掉缓存key的common prefix前缀
|
String key = cacheObjIterator.next().getKey();
|
keys.add(StrUtil.removePrefix(key, getCommonKeyPrefix()));
|
}
|
return keys;
|
}
|
|
@Override
|
public Collection<T> getAllValues() {
|
Iterator<CacheObj<String, T>> cacheObjIterator = timedCache.cacheObjIterator();
|
ArrayList<T> values = CollectionUtil.newArrayList();
|
while (cacheObjIterator.hasNext()) {
|
values.add(cacheObjIterator.next().getValue());
|
}
|
return values;
|
}
|
|
@Override
|
public Map<String, T> getAllKeyValues() {
|
Collection<String> allKeys = this.getAllKeys();
|
HashMap<String, T> results = CollectionUtil.newHashMap();
|
for (String key : allKeys) {
|
results.put(key, this.get(key));
|
}
|
return results;
|
}
|
}
|