MemoryCache.java
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/**
* Copyright 2015-2025 FLY的狐狸(email:jflyfox@sina.com qq:369191470).
*
* 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.jflyfox.util.cache.impl;
import com.jflyfox.util.cache.Cache;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
/**
* 内存
*
* 2015年4月26日 下午8:24:11 flyfox 330627517@qq.com
*/
public class MemoryCache implements Cache {
protected String name;
protected Map<String, Object> map = new ConcurrentHashMap<String, Object>();
public MemoryCache() {
}
public String name() {
return name;
}
public MemoryCache name(String name) {
this.name = name;
return this;
}
public MemoryCache add(String key, Object value) {
map.put(key, value);
return this;
}
@Override
public Cache add(String key, Object value, Long time, TimeUnit unit) {
return null;
}
@SuppressWarnings("unchecked")
public <T> T get(String key) {
return (T) map.get(key);
}
@Override
public <T> T getObj(String key) {
return null;
}
public Object remove(String key) {
return map.remove(key);
}
public void clear() {
map.clear();
}
public int size() {
return map.size();
}
public Set<String> keys() {
if (map.size() == 0) {
return null;
}
return map.keySet();
}
@SuppressWarnings("unchecked")
public <T> Collection<T> values() {
if (map.size() == 0) {
return null;
}
Collection<T> list = new ArrayList<T>();
for (Object obj : map.values()) {
list.add((T) obj);
}
return list;
}
@Override
public Object getCacheByKey(String key) {
return null;
}
}